From c80a9585b0569e9489ac93c47048cb39e295aa17 Mon Sep 17 00:00:00 2001
From: Fernando Herrera <fernando.j.herrera@gmail.com>
Date: Wed, 12 May 2021 02:01:31 +0100
Subject: [PATCH] Complete Dataframe MVP (#3373)

* Dataframe MVP

* Removed test csv file

* Dataframe MVP

* Removed test csv file

* New revision polars

* New revision polars

* csv file reader

* argument parser for file reader

* Parser from Row primitive

* Column conversion

* Added as f32 and f64

* Parsing row to dataframe

* Removed repeated push to vector

* Accept table values to create dataframe

* Removed default serde

* Dataframe to rows to show data

* Save name of file with dataframe

* Usage example

* Upgrade polars version

* Clippy changes

* Added print function with head and tail

* Move dataframe struct to folder

* Lock file after running tests and merge

* Optional feature for dataframe

* Removed dataframe from plugins

* Update primitive.rs

Co-authored-by: JT <jonathandturner@users.noreply.github.com>
---
 Cargo.lock                                    | 1180 +++++++++++------
 Cargo.toml                                    |    9 +
 crates/nu-command/Cargo.toml                  |    3 +
 crates/nu-command/src/commands.rs             |    4 +
 crates/nu-command/src/commands/all.rs         |    2 +-
 .../src/commands/autoview/command.rs          |   14 +
 crates/nu-command/src/commands/dataframe.rs   |  139 ++
 .../src/commands/default_context.rs           |    2 +
 crates/nu-command/src/commands/to_json.rs     |    2 +
 crates/nu-command/src/commands/to_toml.rs     |    4 +-
 crates/nu-command/src/commands/to_yaml.rs     |    2 +
 crates/nu-command/src/commands/uniq.rs        |    8 +
 crates/nu-data/Cargo.toml                     |    1 +
 crates/nu-data/src/base/shape.rs              |    8 +
 crates/nu-data/src/config.rs                  |    2 +
 crates/nu-protocol/Cargo.toml                 |    5 +
 crates/nu-protocol/src/dataframe/mod.rs       |    3 +
 .../nu-protocol/src/dataframe/nu_dataframe.rs |  432 ++++++
 crates/nu-protocol/src/lib.rs                 |    3 +
 crates/nu-protocol/src/type_shape.rs          |    8 +
 crates/nu-protocol/src/value.rs               |   25 +
 crates/nu-protocol/src/value/debug.rs         |    2 +
 crates/nu-protocol/src/value/primitive.rs     |   57 +-
 crates/nu-value-ext/Cargo.toml                |    3 +
 crates/nu-value-ext/src/lib.rs                |    4 +
 25 files changed, 1474 insertions(+), 448 deletions(-)
 create mode 100644 crates/nu-command/src/commands/dataframe.rs
 create mode 100644 crates/nu-protocol/src/dataframe/mod.rs
 create mode 100644 crates/nu-protocol/src/dataframe/nu_dataframe.rs

diff --git a/Cargo.lock b/Cargo.lock
index 5e76a45bd..d89de780d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,7 +7,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
 dependencies = [
  "lazy_static 1.4.0",
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -91,6 +91,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
 
+[[package]]
+name = "ahash"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f200cbb1e856866d9eade941cf3aa0c5d7dd36f74311c4273b494f4ef036957"
+dependencies = [
+ "getrandom 0.2.2",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "0.6.10"
@@ -102,9 +113,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.15"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
 dependencies = [
  "memchr",
 ]
@@ -138,28 +149,28 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.38"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afddf7f520a80dbf76e6f50a35bca42a2331ef227a28b3b6dc5c2e2338d114b1"
+checksum = "28b2cd92db5cbd74e8e5028f7e27dd7aa3090e89e4f2a197cc7c8dfb69c7063b"
 
 [[package]]
 name = "arboard"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85149eb4159516fbc261f362153822672e4bdb5b3accc863a5777627c6d9fe72"
+checksum = "c3ac39a01d5684967619a6755f3cfc397e5202b5f012d0954ac5016f4b2a33eb"
 dependencies = [
  "clipboard-win",
  "core-graphics",
  "image 0.23.14",
  "lazy_static 1.4.0",
- "libc",
+ "log 0.4.14",
  "objc",
  "objc-foundation",
  "objc_id",
  "scopeguard",
  "thiserror",
  "winapi 0.3.9",
- "xcb",
+ "x11rb",
 ]
 
 [[package]]
@@ -183,6 +194,28 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "arrow"
+version = "4.0.0-SNAPSHOT"
+source = "git+https://github.com/apache/arrow-rs?rev=d008f31b107c1030a1f5144c164e8ca8bf543576#d008f31b107c1030a1f5144c164e8ca8bf543576"
+dependencies = [
+ "cfg_aliases",
+ "chrono",
+ "csv",
+ "flatbuffers",
+ "hex 0.4.3",
+ "indexmap",
+ "lazy_static 1.4.0",
+ "lexical-core",
+ "multiversion",
+ "num 0.3.1",
+ "rand 0.7.3",
+ "regex 1.5.3",
+ "serde 1.0.125",
+ "serde_derive",
+ "serde_json",
+]
+
 [[package]]
 name = "as-slice"
 version = "0.1.5"
@@ -208,16 +241,16 @@ dependencies = [
 
 [[package]]
 name = "async-executor"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb877970c7b440ead138f6321a3b5395d6061183af779340b65e20c0fede9146"
+checksum = "871f9bb5e0a22eeb7e8cf16641feb87c9dc67032ccf8ff49e772eb9941d3a965"
 dependencies = [
  "async-task",
  "concurrent-queue",
  "fastrand",
  "futures-lite",
  "once_cell",
- "vec-arena",
+ "slab 0.4.3",
 ]
 
 [[package]]
@@ -239,29 +272,29 @@ dependencies = [
 
 [[package]]
 name = "async-io"
-version = "1.3.1"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9315f8f07556761c3e48fec2e6b276004acf426e6dc068b2c2251854d65ee0fd"
+checksum = "4bbfd5cf2794b1e908ea8457e6c45f8f8f1f6ec5f74617bf4662623f47503c3b"
 dependencies = [
  "concurrent-queue",
  "fastrand",
  "futures-lite",
  "libc",
  "log 0.4.14",
- "nb-connect",
  "once_cell",
  "parking",
  "polling",
- "vec-arena",
+ "slab 0.4.3",
+ "socket2 0.4.0",
  "waker-fn",
  "winapi 0.3.9",
 ]
 
 [[package]]
 name = "async-lock"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1996609732bde4a9988bc42125f55f2af5f3c36370e27c778d5191a4a1b63bfb"
+checksum = "e6a8ea61bf9947a1007c5cada31e647dbc77b103c679858150003ba697ea798b"
 dependencies = [
  "event-listener",
 ]
@@ -283,7 +316,7 @@ checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -296,7 +329,7 @@ dependencies = [
  "async-global-executor",
  "async-io",
  "async-lock",
- "crossbeam-utils 0.8.3",
+ "crossbeam-utils 0.8.4",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -309,8 +342,8 @@ dependencies = [
  "once_cell",
  "pin-project-lite 0.2.6",
  "pin-utils",
- "slab 0.4.2",
- "wasm-bindgen-futures 0.4.21",
+ "slab 0.4.3",
+ "wasm-bindgen-futures 0.4.23",
 ]
 
 [[package]]
@@ -321,13 +354,13 @@ checksum = "e91831deabf0d6d7ec49552e489aed63b7456a7a3c46cff62adad428110b0af0"
 
 [[package]]
 name = "async-trait"
-version = "0.1.48"
+version = "0.1.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36ea56748e10732c49404c153638a15ec3d6211ec5ff35d9bb20e13b93576adf"
+checksum = "0b98e84bbb4cbcdd97da190ba0c58a1bb0de2c1fdf67d159e192ed766aeca722"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -355,11 +388,12 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "backtrace"
-version = "0.3.56"
+version = "0.3.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d117600f438b1707d4e4ae15d3595657288f8235a0eb593e80ecc98ab34e1bc"
+checksum = "88fb5a785d6b44fd9d6700935608639af1b8356de1e55d5f7c2740f4faa15d82"
 dependencies = [
  "addr2line",
+ "cc",
  "cfg-if 1.0.0",
  "libc",
  "miniz_oxide 0.4.4",
@@ -411,7 +445,7 @@ dependencies = [
  "clap",
  "console",
  "content_inspector",
- "dirs",
+ "dirs 3.0.2",
  "encoding",
  "error-chain",
  "git2",
@@ -419,7 +453,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "path_abs",
  "semver 0.11.0",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_yaml",
  "shell-words",
  "syntect",
@@ -436,17 +470,16 @@ dependencies = [
  "num-bigint 0.3.2",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
 name = "bincode"
-version = "1.3.1"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30d3a39baa26f9651f17b375061f3233dde33424a8b72b0dbe93a68a0bc896d"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
 dependencies = [
- "byteorder",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -534,21 +567,21 @@ dependencies = [
  "linked-hash-map 0.5.4",
  "md5 0.6.1",
  "rand 0.7.3",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
  "time 0.1.44",
 ]
 
 [[package]]
 name = "bstr"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a40b47ad93e1a5404e6c18dec46b628214fee441c70f4ab5d6942142cc268a3d"
+checksum = "90682c8d613ad3373e66de8c6411e0ae2ab2571e879d2efbf73558cc66f21279"
 dependencies = [
  "lazy_static 1.4.0",
  "memchr",
  "regex-automata",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -565,9 +598,9 @@ checksum = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
 
 [[package]]
 name = "byte-unit"
-version = "4.0.10"
+version = "4.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9520900471c3a9bbcfe0fd4c7b6bcfeff41b20a76cf91c59b7474b09be1ee27"
+checksum = "26d98e67b09c0321733bef2f3b879832afa6197e9ea58f32e72c316df2ffe743"
 dependencies = [
  "utf8-width",
 ]
@@ -644,7 +677,7 @@ dependencies = [
  "encoding_rs",
  "log 0.4.14",
  "quick-xml 0.19.0",
- "serde 1.0.124",
+ "serde 1.0.125",
  "zip",
 ]
 
@@ -675,6 +708,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
+
 [[package]]
 name = "chrono"
 version = "0.4.19"
@@ -684,7 +723,7 @@ dependencies = [
  "libc",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.124",
+ "serde 1.0.125",
  "time 0.1.44",
  "winapi 0.3.9",
 ]
@@ -726,9 +765,9 @@ dependencies = [
 
 [[package]]
 name = "clipboard-win"
-version = "4.0.3"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5123c6b97286809fea9e38d2c9bf530edbcb9fc0d8f8272c28b0c95f067fa92d"
+checksum = "9dc138eac3ade40f10cb7aee8b27e6aed1342d8788c40e66eb52914009d160ed"
 dependencies = [
  "error-code",
  "str-buf",
@@ -759,7 +798,7 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
 dependencies = [
- "serde 1.0.124",
+ "serde 1.0.125",
  "termcolor",
  "unicode-width",
 ]
@@ -805,7 +844,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "nom 5.1.2",
  "rust-ini",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde-hjson",
  "serde_json",
  "toml",
@@ -821,7 +860,7 @@ dependencies = [
  "encode_unicode",
  "lazy_static 1.4.0",
  "libc",
- "regex 1.4.3",
+ "regex 1.5.3",
  "terminal_size",
  "unicode-width",
  "winapi 0.3.9",
@@ -830,9 +869,9 @@ dependencies = [
 
 [[package]]
 name = "const_fn"
-version = "0.4.5"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28b9d6de7f49e22cf97ad17fc4036ece69300032f45f78f30b4a4482cdc3f4a6"
+checksum = "402da840495de3f976eaefc3485b7f5eb5b0bf9761f9a47be27fe975b3b8c2ec"
 
 [[package]]
 name = "constant_time_eq"
@@ -849,6 +888,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "convert_case"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
+
 [[package]]
 name = "cookie"
 version = "0.14.4"
@@ -862,7 +907,7 @@ dependencies = [
  "percent-encoding 2.1.0",
  "rand 0.8.3",
  "sha2 0.9.3",
- "time 0.2.25",
+ "time 0.2.26",
  "version_check",
 ]
 
@@ -926,12 +971,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
+checksum = "06ed27e177f16d65f0f0c22a213e17c696ace5dd64b14258b52f9417ccb52db4"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.3",
+ "crossbeam-utils 0.8.4",
 ]
 
 [[package]]
@@ -952,8 +997,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-epoch 0.9.3",
- "crossbeam-utils 0.8.3",
+ "crossbeam-epoch 0.9.4",
+ "crossbeam-utils 0.8.4",
 ]
 
 [[package]]
@@ -973,14 +1018,14 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2584f639eb95fea8c798496315b297cf81b9b58b6d30ab066a75455333cf4b12"
+checksum = "52fb27eab85b17fbb9f6fd667089e07d6a2eb8743d02639ee7f6a7a7729c9c94"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.3",
+ "crossbeam-utils 0.8.4",
  "lazy_static 1.4.0",
- "memoffset 0.6.1",
+ "memoffset 0.6.3",
  "scopeguard",
 ]
 
@@ -1018,9 +1063,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7e9d99fa91428effe99c5c6d4634cdeba32b8cf784fc428a2a687f61a952c49"
+checksum = "4feb231f0d4d6af81aed15928e58ecf5816aa62a2393e2c82f46973e92a9a278"
 dependencies = [
  "autocfg",
  "cfg-if 1.0.0",
@@ -1037,7 +1082,7 @@ dependencies = [
  "crossterm_winapi 0.6.2",
  "lazy_static 1.4.0",
  "libc",
- "mio 0.7.9",
+ "mio 0.7.11",
  "parking_lot 0.11.1",
  "signal-hook",
  "winapi 0.3.9",
@@ -1053,7 +1098,7 @@ dependencies = [
  "crossterm_winapi 0.7.0",
  "lazy_static 1.4.0",
  "libc",
- "mio 0.7.9",
+ "mio 0.7.11",
  "parking_lot 0.11.1",
  "signal-hook",
  "winapi 0.3.9",
@@ -1111,7 +1156,7 @@ dependencies = [
  "proc-macro2",
  "quote 1.0.9",
  "smallvec 1.6.1",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -1121,7 +1166,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfae75de57f2b2e85e8768c3ea840fd159c8f33e2b6522c7835b7abac81be16e"
 dependencies = [
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -1134,7 +1179,7 @@ dependencies = [
  "csv-core",
  "itoa",
  "ryu",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -1148,12 +1193,12 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.1.19"
+version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8f45d9ad417bcef4817d614a501ab55cdd96a6fdb24f49aab89a54acfd66b19"
+checksum = "5e98e2ad1a782e33928b96fc3948e7c355e5af34ba4de7670fe8bac2a3b2006d"
 dependencies = [
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -1167,9 +1212,9 @@ dependencies = [
 
 [[package]]
 name = "ctrlc"
-version = "3.1.8"
+version = "3.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c15b8ec3b5755a188c141c1f6a98e76de31b936209bf066b647979e2a84764a9"
+checksum = "232295399409a8b7ae41276757b5a1cc21032848d42bff2352261f958b3ca29a"
 dependencies = [
  "nix",
  "winapi 0.3.9",
@@ -1177,24 +1222,24 @@ dependencies = [
 
 [[package]]
 name = "curl"
-version = "0.4.35"
+version = "0.4.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a872858e9cb9e3b96c80dd78774ad9e32e44d3b05dc31e142b858d14aebc82c"
+checksum = "d0bac9f84ca0977c4d9b8db998689de55b9e976656a6bc87fada2ca710d504c7"
 dependencies = [
  "curl-sys",
  "libc",
  "openssl-probe",
  "openssl-sys",
  "schannel",
- "socket2",
+ "socket2 0.4.0",
  "winapi 0.3.9",
 ]
 
 [[package]]
 name = "curl-sys"
-version = "0.4.41+curl-7.75.0"
+version = "0.4.42+curl-7.76.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ec466abd277c7cab2905948f3e94d10bc4963f1f5d47921c1cc4ffd2028fe65"
+checksum = "4636d8d6109c842707018a104051436bffb8991ea20b2d1293db70b6e0ee4c7c"
 dependencies = [
  "cc",
  "libc",
@@ -1261,7 +1306,7 @@ checksum = "3418329ca0ad70234b9735dc4ceed10af4df60eff9c8e7b06cb5e520d92c3535"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -1277,13 +1322,14 @@ dependencies = [
 
 [[package]]
 name = "derive_more"
-version = "0.99.11"
+version = "0.99.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41cb0e6161ad61ed084a36ba71fbba9e3ac5aee3606fb607fe08da6acbcf3d8c"
+checksum = "f82b1b72f1263f214c0f823371768776c4f5841b942c9883aa8e5ec584fd0ba6"
 dependencies = [
+ "convert_case",
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -1306,11 +1352,10 @@ dependencies = [
 
 [[package]]
 name = "directories"
-version = "2.0.2"
+version = "3.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "551a778172a450d7fc12e629ca3b0428d00f6afa9a43da1b630d54604e97371c"
+checksum = "e69600ff1703123957937708eb27f7a564e48885c537782722ed0ba3189ce1d7"
 dependencies = [
- "cfg-if 0.1.10",
  "dirs-sys",
 ]
 
@@ -1326,9 +1371,20 @@ dependencies = [
 
 [[package]]
 name = "dirs"
-version = "3.0.1"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "142995ed02755914747cc6ca76fc7e4583cd18578746716d0508ea6ed558b9ff"
+checksum = "3fd78930633bd1c6e35c4b42b1df7b0cbc6bc191146e512bb3bedf243fcc3901"
+dependencies = [
+ "libc",
+ "redox_users 0.3.5",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "dirs"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30baa043103c9d0c2a57cf537cc2f35623889dc0d405e6c3cccfadbc81c71309"
 dependencies = [
  "dirs-sys",
 ]
@@ -1345,12 +1401,12 @@ dependencies = [
 
 [[package]]
 name = "dirs-sys"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e93d7f5705de3e49895a2b5e0b8855a1c27f080192ae9c32a6432d50741a57a"
+checksum = "03d86534ed367a67548dc68113a0f5db55432fdfbb6e6f9d77704397d95d5780"
 dependencies = [
  "libc",
- "redox_users 0.3.5",
+ "redox_users 0.4.0",
  "winapi 0.3.9",
 ]
 
@@ -1379,9 +1435,9 @@ checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
 
 [[package]]
 name = "dtoa"
-version = "0.4.7"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88d7ed2934d741c6b37e33e3832298e8850b53fd2d2bea03873375596c7cea4e"
+checksum = "56899898ce76aaf4a0f24d914c97ea6ed976d42fec6ad33fcbb0a1103e07b2b0"
 
 [[package]]
 name = "dtoa-short"
@@ -1429,7 +1485,7 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "031fe36712cec8b81c5b76b555666ce855a4dfc2dcc35bb907046bf2ef545578"
 dependencies = [
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -1526,7 +1582,7 @@ dependencies = [
  "atty",
  "humantime",
  "log 0.4.14",
- "regex 1.4.3",
+ "regex 1.5.3",
  "termcolor",
 ]
 
@@ -1537,7 +1593,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17392a012ea30ef05a610aa97dfb49496e71c9f676b27879922ea5bdf60d9d3f"
 dependencies = [
  "log 0.4.14",
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -1551,9 +1607,9 @@ dependencies = [
 
 [[package]]
 name = "error-code"
-version = "2.0.2"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b49c94f66f2d2c5ee8685039e458b4e6c9f13af7c28736baf10ce42966a5ab52"
+checksum = "1d4871041f3339e2cd4a23c698f89519e1ca62aa73190eddcc18dde4ee11e8ff"
 dependencies = [
  "libc",
  "str-buf",
@@ -1583,7 +1639,7 @@ checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
  "synstructure",
 ]
 
@@ -1612,14 +1668,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae91abf6555234338687bb47913978d275539235fcb77ba9863b779090b42b14"
 dependencies = [
  "bit-set",
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
-name = "fastrand"
-version = "1.4.0"
+name = "fast-float"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca5faf057445ce5c9d4329e382b2ce7ca38550ef3b73a5348362d5f24e0c7fe3"
+checksum = "95765f67b4b18863968b4a1bd5bb576f732b29a4a28c7cd84c09fa3e2875f33c"
+
+[[package]]
+name = "fastrand"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77b705829d1e87f762c2df6da140b26af5839e1033aa84aa5f56bb688e4e1bdb"
 dependencies = [
  "instant",
 ]
@@ -1640,15 +1702,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
 
 [[package]]
-name = "flate2"
-version = "1.0.14"
+name = "flatbuffers"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cfff41391129e0a856d6d822600b8d71179d46879e310417eb9c762eb178b42"
+checksum = "c3c502342b7d6d73beb1b8bab39dc01deba0c8ef66f4e6f1eba7c69ee6b38069"
 dependencies = [
- "cfg-if 0.1.10",
+ "bitflags",
+ "smallvec 1.6.1",
+ "thiserror",
+]
+
+[[package]]
+name = "flate2"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd3aec53de10fe96d7d8c565eb17f2c687bb5518a2ec453b5b1252964526abe0"
+dependencies = [
+ "cfg-if 1.0.0",
  "crc32fast",
  "libc",
- "miniz_oxide 0.3.7",
+ "miniz_oxide 0.4.4",
 ]
 
 [[package]]
@@ -1749,9 +1822,9 @@ checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
 
 [[package]]
 name = "futures"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f55667319111d593ba876406af7c409c0ebb44dc4be6132a783ccf163ea14c1"
+checksum = "a9d5813545e459ad3ca1bff9915e9ad7f1a47dc6a91b627ce321d5863b7dd253"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1764,9 +1837,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c2dd2df839b57db9ab69c2c9d8f3e8c81984781937fe2807dc6dcf3b2ad2939"
+checksum = "ce79c6a52a299137a6013061e0cf0e688fce5d7f1bc60125f520912fdb29ec25"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -1784,9 +1857,9 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15496a72fabf0e62bdc3df11a59a3787429221dd0710ba8ef163d6f7a9112c94"
+checksum = "098cd1c6dda6ca01650f1a37a794245eb73181d0d4d4e955e2f3c37db7af1815"
 
 [[package]]
 name = "futures-core-preview"
@@ -1806,9 +1879,9 @@ dependencies = [
 
 [[package]]
 name = "futures-executor"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "891a4b7b96d84d5940084b2a37632dd65deeae662c114ceaa2c879629c9c0ad1"
+checksum = "10f6cb7042eda00f0049b1d2080aa4b93442997ee507eb3828e8bd7577f94c9d"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -1828,9 +1901,9 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d71c2c65c57704c32f5241c1223167c2c3294fd34ac020c807ddbe6db287ba59"
+checksum = "365a1a1fb30ea1c03a830fdb2158f5236833ac81fa0ad12fe35b29cddc35cb04"
 
 [[package]]
 name = "futures-io-preview"
@@ -1855,14 +1928,14 @@ dependencies = [
 
 [[package]]
 name = "futures-macro"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea405816a5139fb39af82c2beb921d52143f556038378d6db21183a5c37fbfb7"
+checksum = "668c6733a182cd7deb4f1de7ba3bf2120823835b3bcfbeacf7d2c4a773c1bb8b"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -1881,9 +1954,9 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85754d98985841b7d4f5e8e6fbfa4a4ac847916893ec511a2917ccd8525b8bb3"
+checksum = "5c5629433c555de3d82861a7a4e3794a4c40040390907cfbfd7143a92a426c23"
 
 [[package]]
 name = "futures-sink-preview"
@@ -1893,9 +1966,9 @@ checksum = "86f148ef6b69f75bb610d4f9a2336d4fc88c4b5b67129d1a340dd0fd362efeec"
 
 [[package]]
 name = "futures-task"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa189ef211c15ee602667a6fcfe1c1fd9e07d42250d2156382820fba33c9df80"
+checksum = "ba7aa51095076f3ba6d9a1f702f74bd05ec65f555d70d2033d55ba8d69f581bc"
 
 [[package]]
 name = "futures-timer"
@@ -1905,9 +1978,9 @@ checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
 
 [[package]]
 name = "futures-util"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1812c7ab8aedf8d6f2701a43e1243acdbcc2b36ab26e2ad421eb99ac963d96d1"
+checksum = "3c144ad54d60f23927f0a6b6d816e4271278b64f005ad65e4e35291d2de9c025"
 dependencies = [
  "futures 0.1.31",
  "futures-channel",
@@ -1921,7 +1994,7 @@ dependencies = [
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
- "slab 0.4.2",
+ "slab 0.4.3",
  "tokio-io",
 ]
 
@@ -1938,7 +2011,7 @@ dependencies = [
  "futures-sink-preview",
  "memchr",
  "pin-utils",
- "slab 0.4.2",
+ "slab 0.4.3",
  "tokio-io",
 ]
 
@@ -1949,9 +2022,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce54d63f8b0c75023ed920d46fd71d0cbbb830b0ee012726b5b4f506fb6dea5b"
 dependencies = [
  "bytes 0.5.6",
- "futures 0.3.13",
+ "futures 0.3.14",
  "memchr",
- "pin-project 0.4.27",
+ "pin-project 0.4.28",
 ]
 
 [[package]]
@@ -2007,6 +2080,16 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "gethostname"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e692e296bfac1d2533ef168d0b60ff5897b8b70a4009276834014dd8924cc028"
+dependencies = [
+ "libc",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.16"
@@ -2038,7 +2121,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -2059,9 +2142,9 @@ checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
 
 [[package]]
 name = "git2"
-version = "0.13.17"
+version = "0.13.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d250f5f82326884bd39c2853577e70a121775db76818ffa452ed1e80de12986"
+checksum = "b483c6c2145421099df1b4efd50e0f6205479a072199460eff852fa15e5603c7"
 dependencies = [
  "bitflags",
  "libc",
@@ -2072,9 +2155,9 @@ dependencies = [
 
 [[package]]
 name = "gjson"
-version = "0.7.1"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "864178e25a00c41404f1728997c9a21a7b746be1faefe6ce4dc41eb48bb4234f"
+checksum = "205c41cae258334004939aa09ae377372968c2b6241bae6266fa1c0589cf0a6e"
 
 [[package]]
 name = "glob"
@@ -2088,11 +2171,11 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c152169ef1e421390738366d2f796655fec62621dabbd0fd476f905934061e4a"
 dependencies = [
- "aho-corasick 0.7.15",
+ "aho-corasick 0.7.18",
  "bstr",
  "fnv",
  "log 0.4.14",
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -2119,9 +2202,9 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "futures-util",
- "http 0.2.3",
+ "http 0.2.4",
  "indexmap",
- "slab 0.4.2",
+ "slab 0.4.3",
  "tokio 0.2.25",
  "tokio-util",
  "tracing",
@@ -2134,8 +2217,8 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f837c62de05dc9cc71ff6486cd85de8856a330395ae338a04bfcefe5e91075"
 dependencies = [
- "num",
- "regex 1.4.3",
+ "num 0.2.1",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -2153,7 +2236,17 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 dependencies = [
- "ahash",
+ "ahash 0.4.7",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+dependencies = [
+ "ahash 0.7.2",
+ "rayon",
 ]
 
 [[package]]
@@ -2162,7 +2255,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d99cf782f0dc4372d26846bec3de7804ceb5df083c2d4462c0b8d2330e894fa8"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.9.1",
 ]
 
 [[package]]
@@ -2258,7 +2351,7 @@ dependencies = [
  "markup5ever",
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -2280,9 +2373,9 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
+checksum = "527e8c9ac747e28542699a951517aa9a6945af506cd1f2e1b53a576c17b6cc11"
 dependencies = [
  "bytes 1.0.1",
  "fnv",
@@ -2296,14 +2389,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
 dependencies = [
  "bytes 0.5.6",
- "http 0.2.3",
+ "http 0.2.4",
 ]
 
 [[package]]
 name = "http-client"
-version = "6.3.4"
+version = "6.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98c12a6a451357392f3307325e9a15cbd27451abdaad96e74c30ea8786f615c4"
+checksum = "5566ecc26bc6b04e773e680d66141fced78e091ad818e420d726c152b05a64ff"
 dependencies = [
  "async-std",
  "async-trait",
@@ -2319,9 +2412,9 @@ dependencies = [
 
 [[package]]
 name = "http-types"
-version = "2.10.0"
+version = "2.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32613ebb139d1d430ef5783676f84abfa06fc5f2b4b5a25220cdeeff7e16ef5c"
+checksum = "686f600cccfb9d96c45550bac47b592bc88191a0dd965e9d55848880c2c5a45f"
 dependencies = [
  "anyhow",
  "async-channel",
@@ -2329,11 +2422,11 @@ dependencies = [
  "base64 0.13.0",
  "cookie",
  "futures-lite",
- "http 0.2.3",
+ "http 0.2.4",
  "infer",
  "pin-project-lite 0.2.6",
  "rand 0.7.3",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
  "serde_qs",
  "serde_urlencoded 0.7.0",
@@ -2342,9 +2435,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.3.5"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "615caabe2c3160b313d52ccc905335f4ed5f10881dd63dc5699d47e90be85691"
+checksum = "4a1ce40d6fc9764887c2fdc7305c3dcc429ba11ff981c1509416afd5697e4437"
 
 [[package]]
 name = "httpdate"
@@ -2399,13 +2492,13 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http 0.2.3",
+ "http 0.2.4",
  "http-body",
  "httparse",
  "httpdate",
  "itoa",
- "pin-project 1.0.5",
- "socket2",
+ "pin-project 1.0.7",
+ "socket2 0.3.19",
  "tokio 0.2.25",
  "tower-service",
  "tracing",
@@ -2436,9 +2529,9 @@ dependencies = [
 
 [[package]]
 name = "idna"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89829a5d69c23d348314a7ac337fe39173b61149a9864deabd260983aed48c21"
+checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
 dependencies = [
  "matches",
  "unicode-bidi",
@@ -2482,8 +2575,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "824845a0bf897a9042383849b02c1bc219c2383772efcd5c6f9766fa4b81aef3"
 dependencies = [
  "autocfg",
- "hashbrown",
- "serde 1.0.124",
+ "hashbrown 0.9.1",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -2541,7 +2634,7 @@ dependencies = [
  "http 0.1.21",
  "lazy_static 1.4.0",
  "log 0.4.14",
- "slab 0.4.2",
+ "slab 0.4.3",
  "sluice 0.4.2",
 ]
 
@@ -2552,15 +2645,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2948a0ce43e2c2ef11d7edf6816508998d99e13badd1150be0914205df9388a"
 dependencies = [
  "bytes 0.5.6",
- "crossbeam-utils 0.8.3",
+ "crossbeam-utils 0.8.4",
  "curl",
  "curl-sys",
  "flume",
  "futures-lite",
- "http 0.2.3",
+ "http 0.2.4",
  "log 0.4.14",
  "once_cell",
- "slab 0.4.2",
+ "slab 0.4.3",
  "sluice 0.5.4",
  "tracing",
  "tracing-futures",
@@ -2585,9 +2678,9 @@ checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
 [[package]]
 name = "jobserver"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c71313ebb9439f74b00d9d2dcec36440beaf57a6aa0623068441dd7cd81a7f2"
+checksum = "972f5ae5d1cb9c6ae417789196c803205313edde988685da5e3aae0827b9e7fd"
 dependencies = [
  "libc",
 ]
@@ -2600,9 +2693,9 @@ checksum = "229d53d58899083193af11e15917b5640cd40b29ff475a1fe4ef725deb02d0f2"
 
 [[package]]
 name = "js-sys"
-version = "0.3.48"
+version = "0.3.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc9f84f9b115ce7843d60706df1422a916680bfdfcbdb0447c5614ff9d7e4d78"
+checksum = "2d99f9e3e84b8f67f846ef5b4cbbc3b1c29f6c759fcbce6f01aa0e73d932a24c"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -2651,10 +2744,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
-name = "lexical-core"
-version = "0.7.5"
+name = "lexical"
+version = "5.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21f866863575d0e1d654fbeeabdc927292fdf862873dc3c96c6f753357e13374"
+checksum = "f404a90a744e32e8be729034fc33b90cf2a56418fbf594d69aa3c0214ad414e5"
+dependencies = [
+ "cfg-if 1.0.0",
+ "lexical-core",
+]
+
+[[package]]
+name = "lexical-core"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
 dependencies = [
  "arrayvec 0.5.2",
  "bitflags",
@@ -2665,15 +2768,15 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.88"
+version = "0.2.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b07a082330a35e43f63177cc01689da34fbffa0105e1246cf0311472cac73a"
+checksum = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.18+1.1.0"
+version = "0.12.19+1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3da6a42da88fc37ee1ecda212ffa254c25713532980005d5f7c0b0fbe7e6e885"
+checksum = "f322155d574c8b9ebe991a04f6908bb49e68a79463338d24a43d6274cb6443e6"
 dependencies = [
  "cc",
  "libc",
@@ -2704,9 +2807,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602113192b08db8f38796c4e85c39e960c145965140e918018bcde1952429655"
+checksum = "de5435b8549c16d423ed0c03dbaafe57cf6c3344744f1242520d59c9d8ecec66"
 dependencies = [
  "cc",
  "libc",
@@ -2739,8 +2842,8 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 dependencies = [
- "serde 1.0.124",
- "serde_test 1.0.124",
+ "serde 1.0.125",
+ "serde_test 1.0.125",
 ]
 
 [[package]]
@@ -2754,9 +2857,9 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
+checksum = "0382880606dff6d15c9476c416d18690b72742aa7b605bb6dd6ec9030fbf07eb"
 dependencies = [
  "scopeguard",
 ]
@@ -2797,16 +2900,13 @@ dependencies = [
 
 [[package]]
 name = "markup5ever"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aae38d669396ca9b707bfc3db254bc382ddb94f57cc5c235f34623a669a01dab"
+checksum = "a24f40fb03852d1cdd84330cddcaf98e9ec08a7b7768e952fad3b4cf048ec8fd"
 dependencies = [
  "log 0.4.14",
  "phf",
  "phf_codegen",
- "serde 1.0.124",
- "serde_derive",
- "serde_json",
  "string_cache",
  "string_cache_codegen",
  "tendril",
@@ -2844,9 +2944,18 @@ checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
 
 [[package]]
 name = "memchr"
-version = "2.3.4"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
+
+[[package]]
+name = "memmap2"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397d1a6d6d0563c0f5462bbdae662cf6c784edf5e828e40c7257f85d82bf56dd"
+dependencies = [
+ "libc",
+]
 
 [[package]]
 name = "memoffset"
@@ -2859,9 +2968,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.6.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "157b4208e3059a8f9e78d559edc658e13df41410cb3ae03979c83130067fdd87"
+checksum = "f83fb6581e8ed1f85fd45c116db8405483899489e38406156c25eb743554361d"
 dependencies = [
  "autocfg",
 ]
@@ -2913,13 +3022,13 @@ dependencies = [
 
 [[package]]
 name = "minus"
-version = "3.3.0"
+version = "3.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eaddc201fbde99703a9a33c1909b9cc5a8ff57dd6237e014fd04b03b30e8b3b8"
+checksum = "b330d6d62e75bece2022e09c468e54d612c46ea2e43a29721204c357e34d612d"
 dependencies = [
  "async-std",
  "crossterm 0.19.0",
- "regex 1.4.3",
+ "regex 1.5.3",
  "thiserror",
 ]
 
@@ -2938,19 +3047,19 @@ dependencies = [
  "log 0.4.14",
  "miow 0.2.2",
  "net2",
- "slab 0.4.2",
+ "slab 0.4.3",
  "winapi 0.2.8",
 ]
 
 [[package]]
 name = "mio"
-version = "0.7.9"
+version = "0.7.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5dede4e2065b3842b8b0af444119f3aa331cc7cc2dd20388bfb0f5d5a38823a"
+checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
 dependencies = [
  "libc",
  "log 0.4.14",
- "miow 0.3.6",
+ "miow 0.3.7",
  "ntapi",
  "winapi 0.3.9",
 ]
@@ -2980,14 +3089,33 @@ dependencies = [
 
 [[package]]
 name = "miow"
-version = "0.3.6"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a33c1b55807fbed163481b5ba66db4b2fa6cde694a5027be10fb724206c5897"
+checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
 dependencies = [
- "socket2",
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "multiversion"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "025c962a3dd3cc5e0e520aa9c612201d127dcdf28616974961a649dca64f5373"
+dependencies = [
+ "multiversion-macros",
+]
+
+[[package]]
+name = "multiversion-macros"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8a3e2bde382ebf960c1f3e79689fa5941625fe9bf694a1cb64af3e85faff3af"
+dependencies = [
+ "proc-macro2",
+ "quote 1.0.9",
+ "syn 1.0.71",
+]
+
 [[package]]
 name = "native-tls"
 version = "0.2.7"
@@ -3006,16 +3134,6 @@ dependencies = [
  "tempfile",
 ]
 
-[[package]]
-name = "nb-connect"
-version = "1.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670361df1bc2399ee1ff50406a0d422587dd3bb0da596e1978fe8e05dabddf4f"
-dependencies = [
- "libc",
- "socket2",
-]
-
 [[package]]
 name = "neso"
 version = "0.5.0"
@@ -3025,7 +3143,7 @@ dependencies = [
  "bincode",
  "cfg-if 0.1.10",
  "log 0.4.14",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_derive",
  "wasm-bindgen",
 ]
@@ -3058,9 +3176,9 @@ dependencies = [
 
 [[package]]
 name = "nipper"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "576d0e437aa08b447a207584463febe639d00b26b63121a9c038eff8371e0050"
+checksum = "761382864693f4bb171abf9e8de181a320b00464a83a9a5071059057b1fe0116"
 dependencies = [
  "cssparser",
  "html5ever",
@@ -3120,7 +3238,7 @@ dependencies = [
  "clap",
  "ctrlc",
  "dunce",
- "futures 0.3.13",
+ "futures 0.3.14",
  "hamcrest2",
  "itertools",
  "log 0.4.14",
@@ -3172,8 +3290,8 @@ name = "nu-ansi-term"
 version = "0.31.0"
 dependencies = [
  "doc-comment",
- "regex 1.4.3",
- "serde 1.0.124",
+ "regex 1.5.3",
+ "serde 1.0.125",
  "serde_json",
  "winapi 0.3.9",
 ]
@@ -3206,7 +3324,7 @@ dependencies = [
  "encoding_rs",
  "filesize",
  "fs_extra",
- "futures 0.3.13",
+ "futures 0.3.14",
  "futures-util",
  "futures_codec",
  "getset",
@@ -3245,12 +3363,12 @@ dependencies = [
  "quickcheck_macros",
  "rand 0.8.3",
  "rayon",
- "regex 1.4.3",
+ "regex 1.5.3",
  "roxmltree",
  "rusqlite",
  "rust-embed",
  "rustyline",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_bytes",
  "serde_ini",
  "serde_json",
@@ -3263,7 +3381,7 @@ dependencies = [
  "sxd-document",
  "sxd-xpath",
  "tempfile",
- "term",
+ "term 0.7.0",
  "term_size",
  "termcolor",
  "titlecase",
@@ -3305,7 +3423,7 @@ dependencies = [
  "encoding_rs",
  "filesize",
  "fs_extra",
- "futures 0.3.13",
+ "futures 0.3.14",
  "getset",
  "glob",
  "hamcrest2",
@@ -3337,6 +3455,7 @@ dependencies = [
  "num-traits 0.2.14",
  "parking_lot 0.11.1",
  "pin-utils",
+ "polars",
  "ptree",
  "query_interface",
  "quick-xml 0.21.0",
@@ -3344,12 +3463,12 @@ dependencies = [
  "quickcheck_macros",
  "rand 0.7.3",
  "rayon",
- "regex 1.4.3",
+ "regex 1.5.3",
  "roxmltree",
  "rusqlite",
  "rust-embed",
  "rustyline",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_bytes",
  "serde_ini",
  "serde_json",
@@ -3362,7 +3481,7 @@ dependencies = [
  "sxd-document",
  "sxd-xpath",
  "tempfile",
- "term",
+ "term 0.7.0",
  "term_size",
  "termcolor",
  "titlecase",
@@ -3402,7 +3521,7 @@ dependencies = [
  "num-format",
  "num-traits 0.2.14",
  "query_interface",
- "serde 1.0.124",
+ "serde 1.0.125",
  "sha2 0.9.3",
  "toml",
  "users",
@@ -3426,7 +3545,7 @@ dependencies = [
  "encoding_rs",
  "filesize",
  "fs_extra",
- "futures 0.3.13",
+ "futures 0.3.14",
  "futures-util",
  "futures_codec",
  "getset",
@@ -3450,7 +3569,7 @@ dependencies = [
  "num-traits 0.2.14",
  "parking_lot 0.11.1",
  "rayon",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
  "tempfile",
  "term_size",
@@ -3474,7 +3593,7 @@ dependencies = [
  "nu-source",
  "num-bigint 0.3.2",
  "num-traits 0.2.14",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
  "serde_yaml",
  "toml",
@@ -3489,8 +3608,8 @@ dependencies = [
  "linked-hash-map 0.5.4",
  "nu-test-support",
  "num-traits 0.2.14",
- "regex 1.4.3",
- "serde 1.0.124",
+ "regex 1.5.3",
+ "serde 1.0.125",
  "serde_json",
 ]
 
@@ -3512,7 +3631,7 @@ dependencies = [
  "nu-test-support",
  "num-bigint 0.3.2",
  "num-traits 0.2.14",
- "serde 1.0.124",
+ "serde 1.0.125",
  "shellexpand",
  "smart-default",
 ]
@@ -3529,7 +3648,7 @@ dependencies = [
  "nu-test-support",
  "nu-value-ext",
  "num-bigint 0.3.2",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
 ]
 
@@ -3558,7 +3677,8 @@ dependencies = [
  "num-bigint 0.3.2",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.124",
+ "polars",
+ "serde 1.0.125",
  "serde_bytes",
  "serde_json",
  "serde_yaml",
@@ -3572,7 +3692,7 @@ dependencies = [
  "derive-new",
  "getset",
  "pretty",
- "serde 1.0.124",
+ "serde 1.0.125",
  "termcolor",
 ]
 
@@ -3580,7 +3700,7 @@ dependencies = [
 name = "nu-stream"
 version = "0.31.0"
 dependencies = [
- "futures 0.3.13",
+ "futures 0.3.14",
  "nu-errors",
  "nu-protocol",
  "nu-source",
@@ -3590,8 +3710,9 @@ dependencies = [
 name = "nu-table"
 version = "0.31.0"
 dependencies = [
+
  "nu-ansi-term 0.31.0",
- "regex 1.4.3",
+ "regex 1.5.3",
  "unicode-width",
 ]
 
@@ -3662,7 +3783,7 @@ name = "nu_plugin_fetch"
 version = "0.31.0"
 dependencies = [
  "base64 0.13.0",
- "futures 0.3.13",
+ "futures 0.3.14",
  "mime",
  "nu-errors",
  "nu-plugin",
@@ -3722,7 +3843,7 @@ dependencies = [
  "nu-plugin",
  "nu-protocol",
  "nu-source",
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -3730,7 +3851,7 @@ name = "nu_plugin_post"
 version = "0.31.0"
 dependencies = [
  "base64 0.13.0",
- "futures 0.3.13",
+ "futures 0.3.14",
  "nu-errors",
  "nu-plugin",
  "nu-protocol",
@@ -3745,7 +3866,7 @@ dependencies = [
 name = "nu_plugin_ps"
 version = "0.31.0"
 dependencies = [
- "futures 0.3.13",
+ "futures 0.3.14",
  "futures-timer",
  "nu-errors",
  "nu-plugin",
@@ -3771,7 +3892,7 @@ dependencies = [
 name = "nu_plugin_s3"
 version = "0.31.0"
 dependencies = [
- "futures 0.3.13",
+ "futures 0.3.14",
  "nu-errors",
  "nu-plugin",
  "nu-protocol",
@@ -3809,7 +3930,7 @@ dependencies = [
 name = "nu_plugin_sys"
 version = "0.31.0"
 dependencies = [
- "futures 0.3.13",
+ "futures 0.3.14",
  "futures-util",
  "nu-errors",
  "nu-plugin",
@@ -3896,13 +4017,41 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8536030f9fea7127f841b45bb6243b27255787fb4eb83958aa1ef9d2fdc0c36"
 dependencies = [
  "num-bigint 0.2.6",
- "num-complex",
+ "num-complex 0.2.4",
  "num-integer",
  "num-iter",
  "num-rational 0.2.4",
  "num-traits 0.2.14",
 ]
 
+[[package]]
+name = "num"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b7a8e9be5e039e2ff869df49155f1c06bd01ade2117ec783e56ab0932b67a8f"
+dependencies = [
+ "num-bigint 0.3.2",
+ "num-complex 0.3.1",
+ "num-integer",
+ "num-iter",
+ "num-rational 0.3.2",
+ "num-traits 0.2.14",
+]
+
+[[package]]
+name = "num"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43db66d1170d347f9a065114077f7dccb00c1b9478c89384490a3425279a4606"
+dependencies = [
+ "num-bigint 0.4.0",
+ "num-complex 0.4.0",
+ "num-integer",
+ "num-iter",
+ "num-rational 0.4.0",
+ "num-traits 0.2.14",
+]
+
 [[package]]
 name = "num-bigint"
 version = "0.2.6"
@@ -3923,7 +4072,18 @@ dependencies = [
  "autocfg",
  "num-integer",
  "num-traits 0.2.14",
- "serde 1.0.124",
+ "serde 1.0.125",
+]
+
+[[package]]
+name = "num-bigint"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e0d047c1062aa51e256408c560894e5251f08925980e53cf1aa5bd00eec6512"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits 0.2.14",
 ]
 
 [[package]]
@@ -3936,6 +4096,24 @@ dependencies = [
  "num-traits 0.2.14",
 ]
 
+[[package]]
+name = "num-complex"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "747d632c0c558b87dbabbe6a82f3b4ae03720d0646ac5b7b4dae89394be5f2c5"
+dependencies = [
+ "num-traits 0.2.14",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26873667bbbb7c5182d4a37c1add32cdf09f841af72da53318fdb81543c15085"
+dependencies = [
+ "num-traits 0.2.14",
+]
+
 [[package]]
 name = "num-format"
 version = "0.4.0"
@@ -3987,6 +4165,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
 dependencies = [
  "autocfg",
+ "num-bigint 0.3.2",
+ "num-integer",
+ "num-traits 0.2.14",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d41702bd167c2df5520b384281bc111a4b5efcf7fbc4c9c222c815b07e0a6a6a"
+dependencies = [
+ "autocfg",
+ "num-bigint 0.4.0",
  "num-integer",
  "num-traits 0.2.14",
 ]
@@ -4090,9 +4281,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "open"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7e9f1bdf15cd1f5a00cc9002a733a6ee6d0ff562491852d59652471c4a389f7"
+checksum = "1711eb4b31ce4ad35b0f316d8dfba4fe5c7ad601c448446d84aae7a896627b20"
 dependencies = [
  "which",
  "winapi 0.3.9",
@@ -4100,15 +4291,15 @@ dependencies = [
 
 [[package]]
 name = "openssl"
-version = "0.10.32"
+version = "0.10.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "038d43985d1ddca7a9900630d8cd031b56e4794eecc2e9ea39dd17aa04399a70"
+checksum = "6d7830286ad6a3973c0f1d9b73738f69c76b739301d0229c4b96501695cbe4c8"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
  "foreign-types",
- "lazy_static 1.4.0",
  "libc",
+ "once_cell",
  "openssl-sys",
 ]
 
@@ -4120,9 +4311,9 @@ checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.60"
+version = "0.9.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "921fc71883267538946025deffb622905ecad223c28efbfdef9bb59a0175f3e6"
+checksum = "fa52160d45fa2e7608d504b7c3a3355afed615e6d8b627a74458634ba21b69bd"
 dependencies = [
  "autocfg",
  "cc",
@@ -4164,7 +4355,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
 dependencies = [
  "instant",
- "lock_api 0.4.2",
+ "lock_api 0.4.4",
  "parking_lot_core 0.8.3",
 ]
 
@@ -4192,7 +4383,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall 0.2.5",
+ "redox_syscall 0.2.7",
  "smallvec 1.6.1",
  "winapi 0.3.9",
 ]
@@ -4203,7 +4394,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c705f256449c60da65e11ff6626e0c16a0a0b96aaa348de61376b249bc340f41"
 dependencies = [
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -4294,7 +4485,7 @@ dependencies = [
  "proc-macro-hack",
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -4308,42 +4499,42 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "0.4.27"
+version = "0.4.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ffbc8e94b38ea3d2d8ba92aea2983b503cd75d0888d75b86bb37970b5698e15"
+checksum = "918192b5c59119d51e0cd221f4d49dde9112824ba717369e903c97d076083d0f"
 dependencies = [
- "pin-project-internal 0.4.27",
+ "pin-project-internal 0.4.28",
 ]
 
 [[package]]
 name = "pin-project"
-version = "1.0.5"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96fa8ebb90271c4477f144354485b8068bd8f6b78b428b01ba892ca26caf0b63"
+checksum = "c7509cc106041c40a4518d2af7a61530e1eed0e6285296a3d8c5472806ccc4a4"
 dependencies = [
- "pin-project-internal 1.0.5",
+ "pin-project-internal 1.0.7",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "0.4.27"
+version = "0.4.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
+checksum = "3be26700300be6d9d23264c73211d8190e755b6b5ca7a1b28230025511b52a5e"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.5"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "758669ae3558c6f74bd2a18b41f7ac0b5a195aea6639d6a9b5e5d1ad5ba24c0b"
+checksum = "48c950132583b500556b1efd71d45b319029f2b71518d979fcc208e16b42426f"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -4380,7 +4571,7 @@ dependencies = [
  "chrono",
  "indexmap",
  "line-wrap",
- "serde 1.0.124",
+ "serde 1.0.125",
  "xml-rs",
 ]
 
@@ -4409,12 +4600,89 @@ dependencies = [
 ]
 
 [[package]]
-name = "polling"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2a7bc6b2a29e632e45451c941832803a18cce6781db04de8a04696cdca8bde4"
+name = "polars"
+version = "0.13.1"
+source = "git+https://github.com/ritchie46/polars?rev=3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0#3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0"
 dependencies = [
- "cfg-if 0.1.10",
+ "polars-core",
+ "polars-io",
+ "polars-lazy",
+]
+
+[[package]]
+name = "polars-arrow"
+version = "0.13.0"
+source = "git+https://github.com/ritchie46/polars?rev=3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0#3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0"
+dependencies = [
+ "arrow",
+ "num 0.4.0",
+ "thiserror",
+]
+
+[[package]]
+name = "polars-core"
+version = "0.13.2"
+source = "git+https://github.com/ritchie46/polars?rev=3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0#3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0"
+dependencies = [
+ "ahash 0.7.2",
+ "anyhow",
+ "arrow",
+ "chrono",
+ "hashbrown 0.11.2",
+ "itertools",
+ "lazy_static 1.4.0",
+ "num 0.4.0",
+ "num_cpus",
+ "polars-arrow",
+ "prettytable-rs",
+ "rayon",
+ "regex 1.5.3",
+ "thiserror",
+ "unsafe_unwrap",
+]
+
+[[package]]
+name = "polars-io"
+version = "0.13.0"
+source = "git+https://github.com/ritchie46/polars?rev=3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0#3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0"
+dependencies = [
+ "ahash 0.7.2",
+ "anyhow",
+ "arrow",
+ "csv",
+ "csv-core",
+ "fast-float",
+ "lazy_static 1.4.0",
+ "lexical",
+ "memmap2",
+ "num 0.4.0",
+ "num_cpus",
+ "polars-arrow",
+ "polars-core",
+ "rayon",
+ "regex 1.5.3",
+]
+
+[[package]]
+name = "polars-lazy"
+version = "0.13.0"
+source = "git+https://github.com/ritchie46/polars?rev=3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0#3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0"
+dependencies = [
+ "ahash 0.7.2",
+ "itertools",
+ "polars-arrow",
+ "polars-core",
+ "polars-io",
+ "rayon",
+]
+
+[[package]]
+name = "polling"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fc12d774e799ee9ebae13f4076ca003b40d18a11ac0f3641e6f899618580b7b"
+dependencies = [
+ "cfg-if 1.0.0",
  "libc",
  "log 0.4.14",
  "wepoll-sys",
@@ -4463,6 +4731,20 @@ dependencies = [
  "log 0.4.14",
 ]
 
+[[package]]
+name = "prettytable-rs"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fd04b170004fa2daccf418a7f8253aaf033c27760b5f225889024cf66d7ac2e"
+dependencies = [
+ "atty",
+ "csv",
+ "encode_unicode",
+ "lazy_static 1.4.0",
+ "term 0.5.2",
+ "unicode-width",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -4472,7 +4754,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
  "version_check",
 ]
 
@@ -4501,25 +4783,25 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
 dependencies = [
- "unicode-xid 0.2.1",
+ "unicode-xid 0.2.2",
 ]
 
 [[package]]
 name = "ptree"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95fd400102d16e4e90e0735c0eb1808ae569a4e62fb8e65a7d1e700611cae6ae"
+checksum = "beb17280503804146233f15c98385d3c65f0330663ce0b602a1e4c9379e96b4d"
 dependencies = [
  "ansi_term 0.12.1",
  "atty",
  "config",
  "directories",
  "petgraph",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde-value",
  "tint",
 ]
@@ -4586,7 +4868,7 @@ checksum = "b22a693222d716a9587786f37ac3f6b4faedb5b80c23914e7303ff5a1d8016e9"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -4773,9 +5055,9 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
 dependencies = [
- "crossbeam-channel 0.5.0",
+ "crossbeam-channel 0.5.1",
  "crossbeam-deque 0.8.0",
- "crossbeam-utils 0.8.3",
+ "crossbeam-utils 0.8.4",
  "lazy_static 1.4.0",
  "num_cpus",
 ]
@@ -4803,9 +5085,9 @@ checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.5"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94341e4e44e24f6b591b59e47a8a027df12e008d73fd5672dbea9cc22f4507d9"
+checksum = "85dd92e586f7355c633911e11f77f3d12f04b1b1bd76a198bd34ae3af8341ef2"
 dependencies = [
  "bitflags",
 ]
@@ -4828,7 +5110,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
 dependencies = [
  "getrandom 0.2.2",
- "redox_syscall 0.2.5",
+ "redox_syscall 0.2.7",
 ]
 
 [[package]]
@@ -4840,20 +5122,19 @@ dependencies = [
  "aho-corasick 0.6.10",
  "memchr",
  "regex-syntax 0.5.6",
- "thread_local 0.3.6",
+ "thread_local",
  "utf8-ranges",
 ]
 
 [[package]]
 name = "regex"
-version = "1.4.3"
+version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
+checksum = "ce5f1ceb7f74abbce32601642fcf8e8508a8a8991e0621c7d750295b9095702b"
 dependencies = [
- "aho-corasick 0.7.15",
+ "aho-corasick 0.7.18",
  "memchr",
- "regex-syntax 0.6.22",
- "thread_local 1.1.3",
+ "regex-syntax 0.6.25",
 ]
 
 [[package]]
@@ -4876,9 +5157,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.22"
+version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "relay"
@@ -4909,7 +5190,7 @@ dependencies = [
  "encoding_rs",
  "futures-core",
  "futures-util",
- "http 0.2.3",
+ "http 0.2.4",
  "http-body",
  "hyper 0.13.10",
  "hyper-tls",
@@ -4922,13 +5203,13 @@ dependencies = [
  "native-tls",
  "percent-encoding 2.1.0",
  "pin-project-lite 0.2.6",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_urlencoded 0.7.0",
  "tokio 0.2.25",
  "tokio-tls",
  "url",
  "wasm-bindgen",
- "wasm-bindgen-futures 0.4.21",
+ "wasm-bindgen-futures 0.4.23",
  "web-sys",
  "winreg",
 ]
@@ -4941,9 +5222,9 @@ checksum = "194d8e591e405d1eecf28819740abed6d719d1a2db87fc0bcdedee9a26d55560"
 
 [[package]]
 name = "roxmltree"
-version = "0.14.0"
+version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf58a7d05b28e14b1e8902fa04c4d5d6109f5450ef71a5e6597f66e53f541504"
+checksum = "921904a62e410e37e215c40381b7117f830d9d89ba60ab5236170541dd25646b"
 dependencies = [
  "xmlparser",
 ]
@@ -4972,7 +5253,7 @@ dependencies = [
  "base64 0.13.0",
  "blake2b_simd",
  "constant_time_eq",
- "crossbeam-utils 0.8.3",
+ "crossbeam-utils 0.8.4",
 ]
 
 [[package]]
@@ -5008,7 +5289,7 @@ dependencies = [
  "proc-macro2",
  "quote 1.0.9",
  "rust-embed-utils",
- "syn 1.0.63",
+ "syn 1.0.71",
  "walkdir",
 ]
 
@@ -5035,8 +5316,8 @@ checksum = "a93c95e3d5c1d997e6e4ba9bda898f4e1d73934cd05510c972f10087d0ef00c1"
 dependencies = [
  "byteorder",
  "lazy_static 1.4.0",
- "num",
- "serde 1.0.124",
+ "num 0.2.1",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -5109,10 +5390,10 @@ dependencies = [
  "dyn-clone",
  "failure",
  "failure_derive",
- "futures 0.3.13",
+ "futures 0.3.14",
  "hmac 0.4.2",
  "hmac-sha1",
- "http 0.2.3",
+ "http 0.2.4",
  "hyper 0.11.27",
  "log 0.4.14",
  "md5 0.3.8",
@@ -5122,7 +5403,7 @@ dependencies = [
  "reqwest",
  "rust-crypto",
  "rustc-serialize",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_derive",
  "serde_json",
  "sha2 0.6.0",
@@ -5175,9 +5456,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "security-framework"
-version = "2.1.2"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d493c5f39e02dfb062cd8f33301f90f9b13b650e8c1b1d0fd75c19dd64bff69d"
+checksum = "3670b1d2fdf6084d192bc71ead7aabe6c06aa2ea3fbd9cc3ac111fa5c2b1bd84"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -5188,9 +5469,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "2.1.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dee48cdde5ed250b0d3252818f646e174ab414036edb884dde62d80a3ac6082d"
+checksum = "3676258fd3cfe2c9a0ec99ce3038798d847ce3e4bb17746373eb9f0f1ac16339"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -5257,9 +5538,9 @@ checksum = "9dad3f759919b92c3068c696c15c3d17238234498bbdcc80f2c469606f948ac8"
 
 [[package]]
 name = "serde"
-version = "1.0.124"
+version = "1.0.125"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd761ff957cb2a45fbb9ab3da6512de9de55872866160b23c25f1a841e99d29f"
+checksum = "558dc50e1a5a5fa7112ca2ce4effcb321b0300c0d4ccf0776a9f60cd89031171"
 dependencies = [
  "serde_derive",
 ]
@@ -5273,7 +5554,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "linked-hash-map 0.3.0",
  "num-traits 0.1.43",
- "regex 1.4.3",
+ "regex 1.5.3",
  "serde 0.8.23",
 ]
 
@@ -5284,7 +5565,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a65a7291a8a568adcae4c10a677ebcedbc6c9cec91c054dee2ce40b0e3290eb"
 dependencies = [
  "ordered-float",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -5293,18 +5574,18 @@ version = "0.11.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16ae07dd2f88a366f15bd0632ba725227018c69a1c8550a927324f8eb8368bb9"
 dependencies = [
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.124"
+version = "1.0.125"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1800f7693e94e186f5e25a28291ae1570da908aff7d97a095dec1e56ff99069b"
+checksum = "b093b7a2bb58203b5da3056c05b4ec1fed827dcfdb37347a8841695263b3d06d"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -5314,7 +5595,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb236687e2bb073a7521c021949be944641e671b8505a94069ca37b656c81139"
 dependencies = [
  "result",
- "serde 1.0.124",
+ "serde 1.0.125",
  "void",
 ]
 
@@ -5327,7 +5608,7 @@ dependencies = [
  "indexmap",
  "itoa",
  "ryu",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -5338,7 +5619,7 @@ checksum = "5af82de3c6549b001bec34961ff2d6a54339a87bab37ce901b693401f27de6cb"
 dependencies = [
  "data-encoding",
  "percent-encoding 2.1.0",
- "serde 1.0.124",
+ "serde 1.0.125",
  "thiserror",
 ]
 
@@ -5353,11 +5634,11 @@ dependencies = [
 
 [[package]]
 name = "serde_test"
-version = "1.0.124"
+version = "1.0.125"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61c59238fc0762e8aee0c6ec5f1a2e61d580d94f6274b9fcc91dc51d03fb40ba"
+checksum = "b4bb5fef7eaf5a97917567183607ac4224c5b451c15023930f23b937cce879fe"
 dependencies = [
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -5368,7 +5649,7 @@ checksum = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
 dependencies = [
  "dtoa",
  "itoa",
- "serde 1.0.124",
+ "serde 1.0.125",
  "url",
 ]
 
@@ -5381,7 +5662,7 @@ dependencies = [
  "form_urlencoded",
  "itoa",
  "ryu",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -5392,7 +5673,7 @@ checksum = "15654ed4ab61726bf918a39cb8d98a2e2995b002387807fa6ba58fdf7f59bb23"
 dependencies = [
  "dtoa",
  "linked-hash-map 0.5.4",
- "serde 1.0.124",
+ "serde 1.0.125",
  "yaml-rust",
 ]
 
@@ -5415,7 +5696,7 @@ checksum = "b2acd6defeddb41eb60bb468f8825d0cfd0c2a76bc03bfd235b6a1dc4f6a1ad5"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -5468,9 +5749,9 @@ dependencies = [
 
 [[package]]
 name = "shadow-rs"
-version = "0.5.24"
+version = "0.5.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2d24431d84176415baccf1a5f4996365fbe619ed0797131d84627f00f568de2"
+checksum = "110e0e7bde3d3f0f2a4284f250c40f1f6ed7ef1eef281598f8eb76838ac42305"
 dependencies = [
  "chrono",
  "git2",
@@ -5498,7 +5779,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e31d442c16f047a671b5a71e2161d6e68814012b7f5379d269ebd915fac2729"
 dependencies = [
  "libc",
- "mio 0.7.9",
+ "mio 0.7.11",
  "signal-hook-registry",
 ]
 
@@ -5513,9 +5794,9 @@ dependencies = [
 
 [[package]]
 name = "siphasher"
-version = "0.3.3"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa8f3741c7372e75519bd9346068370c9cdaabcc1f9599cbcf2a2719352286b7"
+checksum = "cbce6d4507c7e4a3962091436e56e95290cb71fa302d0d270e32130b75fbff27"
 
 [[package]]
 name = "slab"
@@ -5525,9 +5806,9 @@ checksum = "17b4fcaed89ab08ef143da37bc52adbcc04d4a69014f4c1208d6b51f0c47bc23"
 
 [[package]]
 name = "slab"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
+checksum = "f173ac3d1a7e3b28003f40de0b5ce7fe2710f9b9dc3fc38664cebee46b3b6527"
 
 [[package]]
 name = "sluice"
@@ -5580,7 +5861,7 @@ checksum = "133659a15339456eeeb07572eb02a91c91e9815e9cbc89566944d2c8d3efdbf6"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -5595,12 +5876,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "spinning_top"
-version = "0.2.2"
+name = "socket2"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e529d73e80d64b5f2631f9035113347c578a1c9c7774b83a2b880788459ab36"
+checksum = "9e3dfc207c526015c632472a77be09cf1b6e46866581aecae5cc38fb4235dea2"
 dependencies = [
- "lock_api 0.4.2",
+ "libc",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "spinning_top"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bd0ab6b8c375d2d963503b90d3770010d95bc3b5f98036f948dee24bf4e8879"
+dependencies = [
+ "lock_api 0.4.4",
 ]
 
 [[package]]
@@ -5611,9 +5902,9 @@ checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
 [[package]]
 name = "standback"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2beb4d1860a61f571530b3f855a1b538d0200f7871c63331ecd6f17b1f014f8"
+checksum = "e113fb6f3de07a243d434a56ec6f186dfd51cb08448239fe7bcae73f87ff28ff"
 dependencies = [
  "version_check",
 ]
@@ -5652,9 +5943,9 @@ checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_derive",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -5666,11 +5957,11 @@ dependencies = [
  "base-x",
  "proc-macro2",
  "quote 1.0.9",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_derive",
  "serde_json",
  "sha1 0.6.0",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -5681,9 +5972,9 @@ checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
 
 [[package]]
 name = "str-buf"
-version = "1.0.5"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d44a3643b4ff9caf57abcee9c2c621d6c03d9135e0d8b589bd9afb5992cb176a"
+checksum = "a66ae6a6cd930c97707cb3f1b62aadb8ddddd2fefa9df539564b3bfaa15dd31f"
 
 [[package]]
 name = "string_cache"
@@ -5695,7 +5986,7 @@ dependencies = [
  "new_debug_unreachable",
  "phf_shared",
  "precomputed-hash",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -5744,7 +6035,7 @@ dependencies = [
  "log 0.4.14",
  "mime",
  "mime_guess",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
  "serde_urlencoded 0.6.1",
  "url",
@@ -5770,7 +6061,7 @@ dependencies = [
  "mime_guess",
  "once_cell",
  "pin-project-lite 0.2.6",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
  "web-sys",
 ]
@@ -5809,13 +6100,13 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.63"
+version = "1.0.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fd9bc7ccc2688b3344c2f48b9b546648b25ce0b20fc717ee7fa7981a8ca9717"
+checksum = "ad184cc9470f9117b2ac6817bfe297307418819ba40552f9b3846f05c33d5373"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "unicode-xid 0.2.1",
+ "unicode-xid 0.2.2",
 ]
 
 [[package]]
@@ -5835,8 +6126,8 @@ checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
- "unicode-xid 0.2.1",
+ "syn 1.0.71",
+ "unicode-xid 0.2.2",
 ]
 
 [[package]]
@@ -5854,8 +6145,8 @@ dependencies = [
  "lazycell",
  "onig",
  "plist",
- "regex-syntax 0.6.22",
- "serde 1.0.124",
+ "regex-syntax 0.6.25",
+ "serde 1.0.125",
  "serde_derive",
  "serde_json",
  "walkdir",
@@ -5893,7 +6184,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "libc",
  "rand 0.8.3",
- "redox_syscall 0.2.5",
+ "redox_syscall 0.2.7",
  "remove_dir_all",
  "winapi 0.3.9",
 ]
@@ -5909,6 +6200,17 @@ dependencies = [
  "utf-8",
 ]
 
+[[package]]
+name = "term"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edd106a334b7657c10b7c540a0106114feadeb4dc314513e97df481d5d966f42"
+dependencies = [
+ "byteorder",
+ "dirs 1.0.5",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "term"
 version = "0.7.0"
@@ -5982,7 +6284,7 @@ checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -5994,15 +6296,6 @@ dependencies = [
  "lazy_static 1.4.0",
 ]
 
-[[package]]
-name = "thread_local"
-version = "1.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8018d24e04c95ac8790716a5987d0fec4f8b27249ffa0f7d33f1369bdfb88cbd"
-dependencies = [
- "once_cell",
-]
-
 [[package]]
 name = "tiff"
 version = "0.6.1"
@@ -6027,9 +6320,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.2.25"
+version = "0.2.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1195b046942c221454c2539395f85413b33383a067449d78aab2b7b052a142f7"
+checksum = "08a8cbfbf47955132d0202d1662f49b2423ae35862aee471f3ba4b133358f372"
 dependencies = [
  "const_fn",
  "libc",
@@ -6060,7 +6353,7 @@ dependencies = [
  "proc-macro2",
  "quote 1.0.9",
  "standback",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -6074,9 +6367,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "317cca572a0e89c3ce0ca1f1bdc9369547fe318a683418e42ac8f59d14701023"
+checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -6094,7 +6387,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f565e410cfc24c2f2a89960b023ca192689d7f77d3f8d4f4af50c2d8affe1117"
 dependencies = [
  "lazy_static 1.4.0",
- "regex 1.4.3",
+ "regex 1.5.3",
 ]
 
 [[package]]
@@ -6136,7 +6429,7 @@ dependencies = [
  "mio 0.6.23",
  "num_cpus",
  "pin-project-lite 0.1.12",
- "slab 0.4.2",
+ "slab 0.4.3",
  "tokio-macros",
 ]
 
@@ -6220,7 +6513,7 @@ checksum = "e44da00bfc73a25f814cd8d7e57a68a5c31b74b3152a0a1d1f590c97ed06265a"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
@@ -6254,7 +6547,7 @@ dependencies = [
  "mio 0.6.23",
  "num_cpus",
  "parking_lot 0.9.0",
- "slab 0.4.2",
+ "slab 0.4.3",
  "tokio-executor",
  "tokio-io",
  "tokio-sync",
@@ -6306,7 +6599,7 @@ dependencies = [
  "lazy_static 1.4.0",
  "log 0.4.14",
  "num_cpus",
- "slab 0.4.2",
+ "slab 0.4.3",
  "tokio-executor",
 ]
 
@@ -6318,7 +6611,7 @@ checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
 dependencies = [
  "crossbeam-utils 0.7.2",
  "futures 0.1.31",
- "slab 0.4.2",
+ "slab 0.4.3",
  "tokio-executor",
 ]
 
@@ -6385,7 +6678,7 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -6396,9 +6689,9 @@ checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
 
 [[package]]
 name = "tracing"
-version = "0.1.25"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01ebdc2bb4498ab1ab5f5b73c5803825e60199229ccba0698170e3be0e7f959f"
+checksum = "09adeb8c97449311ccd28a427f96fb563e7fd31aabf994189879d9da2394b89d"
 dependencies = [
  "cfg-if 1.0.0",
  "log 0.4.14",
@@ -6409,20 +6702,20 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41768be5b9f3489491825f56f01f25290aa1d3e7cc97e182d4d34360493ba6fa"
+checksum = "c42e6fa53307c8a17e4ccd4dc81cf5ec38db9209f59b222210375b54ee40d1e2"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
 ]
 
 [[package]]
 name = "tracing-core"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f50de3927f93d202783f4513cda820ab47ef17f624b03c096e86ef00c67e6b5f"
+checksum = "a9ff14f98b1a4b289c6248a023c1c2fa1491062964e9fed67ab29c4e4da4a052"
 dependencies = [
  "lazy_static 1.4.0",
 ]
@@ -6433,7 +6726,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
 dependencies = [
- "pin-project 1.0.5",
+ "pin-project 1.0.7",
  "tracing",
 ]
 
@@ -6479,9 +6772,9 @@ checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
 
 [[package]]
 name = "typenum"
-version = "1.12.0"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
+checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
 
 [[package]]
 name = "ucd-trie"
@@ -6512,9 +6805,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
+checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
 dependencies = [
  "matches",
 ]
@@ -6548,9 +6841,9 @@ checksum = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
 [[package]]
 name = "universal-hash"
@@ -6562,6 +6855,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "unsafe_unwrap"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1230ec65f13e0f9b28d789da20d2d419511893ea9dac2c1f4ef67b8b14e5da80"
+
 [[package]]
 name = "url"
 version = "2.2.1"
@@ -6572,7 +6871,7 @@ dependencies = [
  "idna",
  "matches",
  "percent-encoding 2.1.0",
- "serde 1.0.124",
+ "serde 1.0.125",
 ]
 
 [[package]]
@@ -6597,9 +6896,9 @@ dependencies = [
 
 [[package]]
 name = "utf-8"
-version = "0.7.5"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
+checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
 [[package]]
 name = "utf8-ranges"
@@ -6609,9 +6908,9 @@ checksum = "b4ae116fef2b7fea257ed6440d3cfcff7f190865f170cdad00bb6465bf18ecba"
 
 [[package]]
 name = "utf8-width"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9071ac216321a4470a69fb2b28cfc68dcd1a39acd877c8be8e014df6772d8efa"
+checksum = "7cf7d77f457ef8dfa11e4cd5933c5ddb5dc52a94664071951219a97710f0a32b"
 
 [[package]]
 name = "utf8parse"
@@ -6645,15 +6944,9 @@ dependencies = [
 
 [[package]]
 name = "vcpkg"
-version = "0.2.11"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b00bca6106a5e23f3eee943593759b7fcddb00554332e856d990c893966879fb"
-
-[[package]]
-name = "vec-arena"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eafc1b9b2dfc6f5529177b62cf806484db55b32dc7c9658a118e11bbeb33061d"
+checksum = "cbdbff6266a24120518560b5dc983096efb98462e51d0d68169895b237be3e5d"
 
 [[package]]
 name = "vec_map"
@@ -6663,9 +6956,9 @@ checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "version_check"
-version = "0.9.2"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
+checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[package]]
 name = "void"
@@ -6690,9 +6983,9 @@ checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
 
 [[package]]
 name = "walkdir"
-version = "2.3.1"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
+checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
 dependencies = [
  "same-file",
  "winapi 0.3.9",
@@ -6734,28 +7027,28 @@ checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.71"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ee1280240b7c461d6a0071313e08f34a60b0365f14260362e5a2b17d1d31aa7"
+checksum = "83240549659d187488f91f33c0f8547cbfef0b2088bc470c116d1d260ef623d9"
 dependencies = [
  "cfg-if 1.0.0",
- "serde 1.0.124",
+ "serde 1.0.125",
  "serde_json",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.71"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b7d8b6942b8bb3a9b0e73fc79b98095a27de6fa247615e59d096754a3bc2aa8"
+checksum = "ae70622411ca953215ca6d06d3ebeb1e915f0f6613e3b495122878d7ebec7dae"
 dependencies = [
  "bumpalo",
  "lazy_static 1.4.0",
  "log 0.4.14",
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
  "wasm-bindgen-shared",
 ]
 
@@ -6777,9 +7070,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.21"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e67a5806118af01f0d9045915676b22aaebecf4178ae7021bc171dab0b897ab"
+checksum = "81b8b767af23de6ac18bf2168b690bed2902743ddf0fb39252e36f9e2bfc63ea"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -6789,9 +7082,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.71"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5ac38da8ef716661f0f36c0d8320b89028efe10c7c0afde65baffb496ce0d3b"
+checksum = "3e734d91443f177bfdb41969de821e15c516931c3c3db3d318fa1b68975d0f6f"
 dependencies = [
  "quote 1.0.9",
  "wasm-bindgen-macro-support",
@@ -6799,28 +7092,28 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.71"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc053ec74d454df287b9374ee8abb36ffd5acb95ba87da3ba5b7d3fe20eb401e"
+checksum = "d53739ff08c8a68b0fdbcd54c372b8ab800b1449ab3c9d706503bc7dd1621b2c"
 dependencies = [
  "proc-macro2",
  "quote 1.0.9",
- "syn 1.0.63",
+ "syn 1.0.71",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.71"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d6f8ec44822dd71f5f221a5847fb34acd9060535c1211b70a05844c0f6383b1"
+checksum = "d9a543ae66aa233d14bb765ed9af4a33e81b8b58d1584cf1b47ff8cd0b9e4489"
 
 [[package]]
 name = "web-sys"
-version = "0.3.48"
+version = "0.3.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec600b26223b2948cedfde2a0aa6756dcf1fef616f43d7b3097aaf53a6c4d92b"
+checksum = "a905d57e488fec8861446d3393670fb50d27a262344013181c2cdf9fff5481be"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -6839,9 +7132,9 @@ dependencies = [
 
 [[package]]
 name = "weezl"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a32b378380f4e9869b22f0b5177c68a5519f03b3454fde0b291455ddbae266c"
+checksum = "d8b77fdfd5a253be4ab714e4ffa3c49caf146b4de743e97510c0656cf90f1e8e"
 
 [[package]]
 name = "wepoll-sys"
@@ -6914,6 +7207,15 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "winapi-wsapoll"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44c17110f57155602a80dca10be03852116403c9ff3cd25b079d666f2aa3df6e"
+dependencies = [
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -6950,13 +7252,15 @@ dependencies = [
 ]
 
 [[package]]
-name = "xcb"
-version = "0.9.0"
+name = "x11rb"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62056f63138b39116f82a540c983cc11f1c90cd70b3d492a70c25eaa50bd22a6"
+checksum = "6ffb080b3f2f616242a4eb8e7d325035312127901025b0052bc3154a282d0f19"
 dependencies = [
- "libc",
- "log 0.4.14",
+ "gethostname",
+ "nix",
+ "winapi 0.3.9",
+ "winapi-wsapoll",
 ]
 
 [[package]]
@@ -6982,9 +7286,9 @@ dependencies = [
 
 [[package]]
 name = "zip"
-version = "0.5.11"
+version = "0.5.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8264fcea9b7a036a4a5103d7153e988dbc2ebbafb34f68a3c2d404b6b82d74b6"
+checksum = "9c83dc9b784d252127720168abd71ea82bf8c3d96b17dc565b5e2a02854f2b27"
 dependencies = [
  "byteorder",
  "bzip2",
diff --git a/Cargo.toml b/Cargo.toml
index 7e6fd678b..6680516d8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -158,6 +158,15 @@ zip-support = ["nu-cli/zip", "nu-command/zip"]
 #This is disabled in extra for now
 table-pager = ["nu-command/table-pager"]
 
+#dataframe feature for nushell
+dataframe = [
+    "nu-protocol/dataframe",
+    "nu-command/dataframe",
+    "nu-value-ext/dataframe",
+    "nu-data/dataframe"
+]
+
+
 [profile.release]
 #strip = "symbols" #Couldn't get working +nightly
 codegen-units = 1 #Reduce parallel codegen units
diff --git a/crates/nu-command/Cargo.toml b/crates/nu-command/Cargo.toml
index 20f6de122..4a493abeb 100644
--- a/crates/nu-command/Cargo.toml
+++ b/crates/nu-command/Cargo.toml
@@ -99,6 +99,8 @@ uuid_crate = { package = "uuid", version = "0.8.2", features = ["v4"], optional
 which = { version = "4.1.0", optional = true }
 zip = { version = "0.5.9", optional = true }
 
+polars = {version="0.13.1", git = "https://github.com/ritchie46/polars", rev = "3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0", optional = true}
+
 [target.'cfg(unix)'.dependencies]
 umask = "1.0.0"
 users = "0.11.0"
@@ -130,3 +132,4 @@ trash-support = ["trash"]
 directories = ["directories-next"]
 dirs = ["dirs-next"]
 table-pager = ["minus", "crossterm"]
+dataframe = ["nu-protocol/dataframe", "polars"]
diff --git a/crates/nu-command/src/commands.rs b/crates/nu-command/src/commands.rs
index 0bd50be64..4654a1f01 100644
--- a/crates/nu-command/src/commands.rs
+++ b/crates/nu-command/src/commands.rs
@@ -26,6 +26,8 @@ pub(crate) mod compact;
 pub(crate) mod config;
 pub(crate) mod constants;
 pub(crate) mod cp;
+#[cfg(feature = "dataframe")]
+pub(crate) mod dataframe;
 pub(crate) mod date;
 pub(crate) mod debug;
 pub(crate) mod def;
@@ -184,6 +186,8 @@ pub(crate) use clear::Clear;
 pub(crate) mod touch;
 pub(crate) use all::Command as All;
 pub(crate) use any::Command as Any;
+#[cfg(feature = "dataframe")]
+pub(crate) use dataframe::Dataframe;
 pub(crate) use enter::Enter;
 pub(crate) use every::Every;
 pub(crate) use exec::Exec;
diff --git a/crates/nu-command/src/commands/all.rs b/crates/nu-command/src/commands/all.rs
index d570d5319..d66ea1959 100644
--- a/crates/nu-command/src/commands/all.rs
+++ b/crates/nu-command/src/commands/all.rs
@@ -89,7 +89,7 @@ fn all(args: CommandArgs) -> Result<OutputStream, ShellError> {
         UntaggedValue::boolean(true).into_value(&tag),
     ));
 
-    // Variables in nu are immutable. Having the same variable accross invocations
+    // Variables in nu are immutable. Having the same variable across invocations
     // of evaluate_baseline_expr does not mutate the variables and those each
     // invocations are independent of each other!
     scope.enter_scope();
diff --git a/crates/nu-command/src/commands/autoview/command.rs b/crates/nu-command/src/commands/autoview/command.rs
index b2fe059f4..3fce37da8 100644
--- a/crates/nu-command/src/commands/autoview/command.rs
+++ b/crates/nu-command/src/commands/autoview/command.rs
@@ -228,6 +228,20 @@ pub fn autoview(args: CommandArgs) -> Result<OutputStream, ShellError> {
                             out!("{:?}", row);
                         }
                     }
+                    #[cfg(feature = "dataframe")]
+                    Value {
+                        value: UntaggedValue::Dataframe(df),
+                        ..
+                    } => {
+                        if let Some(table) = table {
+                            // TODO. Configure the parameter rows from file. It can be
+                            // adjusted to see a certain amount of values in the head
+                            let command_args =
+                                create_default_command_args(&context, df.print()?.into(), tag);
+                            let result = table.run(command_args)?;
+                            let _ = result.collect::<Vec<_>>();
+                        }
+                    }
                     Value {
                         value: UntaggedValue::Primitive(Primitive::Nothing),
                         ..
diff --git a/crates/nu-command/src/commands/dataframe.rs b/crates/nu-command/src/commands/dataframe.rs
new file mode 100644
index 000000000..e2769a51a
--- /dev/null
+++ b/crates/nu-command/src/commands/dataframe.rs
@@ -0,0 +1,139 @@
+use std::path::PathBuf;
+
+use crate::prelude::*;
+use nu_engine::WholeStreamCommand;
+use nu_errors::ShellError;
+use nu_protocol::{dataframe::NuDataFrame, hir::NamedValue, Signature, SyntaxShape, UntaggedValue};
+
+use nu_source::Tagged;
+use polars::prelude::{CsvReader, SerReader};
+
+pub struct Dataframe;
+
+#[derive(Deserialize)]
+pub struct OpenArgs {
+    file: Tagged<PathBuf>,
+}
+
+impl WholeStreamCommand for Dataframe {
+    fn name(&self) -> &str {
+        "dataframe"
+    }
+
+    fn usage(&self) -> &str {
+        "Creates a dataframe from a csv file"
+    }
+
+    fn signature(&self) -> Signature {
+        Signature::build("dataframe").named(
+            "file",
+            SyntaxShape::FilePath,
+            "the file path to load values from",
+            Some('f'),
+        )
+    }
+
+    fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
+        load_dataframe(args)
+    }
+
+    fn examples(&self) -> Vec<Example> {
+        vec![
+            Example {
+                description: "Takes a file name and creates a dataframe",
+                example: "dataframe -f test.csv",
+                result: None,
+            },
+            Example {
+                description: "Takes an input stream and converts it to a dataframe",
+                example: "echo [[a b];[1 2] [3 4]] | dataframe",
+                result: None,
+            },
+        ]
+    }
+}
+
+// Creates a dataframe from either a file or a table.
+// If both options are found, then an error is returned to the user.
+// The InputStream can have a table and a dictionary as input variable.
+fn load_dataframe(args: CommandArgs) -> Result<OutputStream, ShellError> {
+    // The file has priority over stream input
+    if let Some(NamedValue::Value(_, _)) = args
+        .call_info()
+        .args
+        .named
+        .as_ref()
+        .map(|named| named.named.get("file"))
+        .flatten()
+    {
+        return create_from_file(args);
+    }
+
+    create_from_input(args)
+}
+
+fn create_from_file(args: CommandArgs) -> Result<OutputStream, ShellError> {
+    // Command Tag. This marks where the command is located and the name
+    // of the command used
+    let tag = args.call_info.name_tag.clone();
+
+    // Parsing the arguments that the function uses
+    let (OpenArgs { file }, _) = args.process()?;
+
+    // Needs more detail and arguments while loading the dataframe
+    // Options:
+    //  - has header
+    //  - infer schema
+    //  - delimiter
+    //  - csv or parquet <- extracted from extension
+    let csv_reader = match CsvReader::from_path(&file.item) {
+        Ok(csv_reader) => csv_reader,
+        Err(e) => {
+            return Err(ShellError::labeled_error(
+                "Unable to parse file",
+                format!("{}", e),
+                &file.tag,
+            ))
+        }
+    };
+
+    let df = match csv_reader.infer_schema(None).has_header(true).finish() {
+        Ok(csv_reader) => csv_reader,
+        Err(e) => {
+            return Err(ShellError::labeled_error(
+                "Error while parsing dataframe",
+                format!("{}", e),
+                &file.tag,
+            ))
+        }
+    };
+
+    let file_name = match file.item.into_os_string().into_string() {
+        Ok(name) => name,
+        Err(e) => {
+            return Err(ShellError::labeled_error(
+                "Error with file name",
+                format!("{:?}", e),
+                &file.tag,
+            ))
+        }
+    };
+
+    let nu_dataframe = NuDataFrame {
+        dataframe: Some(df),
+        name: file_name,
+    };
+
+    let init = InputStream::one(UntaggedValue::Dataframe(nu_dataframe).into_value(&tag));
+
+    Ok(init.to_output_stream())
+}
+
+fn create_from_input(args: CommandArgs) -> Result<OutputStream, ShellError> {
+    let tag = args.call_info.name_tag.clone();
+    let args = args.evaluate_once()?;
+    let df = NuDataFrame::try_from_iter(args.input, &tag)?;
+    let init = InputStream::one(UntaggedValue::Dataframe(df).into_value(&tag));
+
+    Ok(init.to_output_stream())
+}
diff --git a/crates/nu-command/src/commands/default_context.rs b/crates/nu-command/src/commands/default_context.rs
index 1d14e763a..b17f1bb33 100644
--- a/crates/nu-command/src/commands/default_context.rs
+++ b/crates/nu-command/src/commands/default_context.rs
@@ -251,6 +251,8 @@ pub fn create_default_context(interactive: bool) -> Result<EvaluationContext, Bo
             whole_stream_command(Seq),
             whole_stream_command(SeqDates),
             whole_stream_command(TermSize),
+            #[cfg(feature = "dataframe")]
+            whole_stream_command(Dataframe),
         ]);
 
         #[cfg(feature = "clipboard-cli")]
diff --git a/crates/nu-command/src/commands/to_json.rs b/crates/nu-command/src/commands/to_json.rs
index e03e1f515..46630dc14 100644
--- a/crates/nu-command/src/commands/to_json.rs
+++ b/crates/nu-command/src/commands/to_json.rs
@@ -114,6 +114,8 @@ pub fn value_to_json_value(v: &Value) -> Result<serde_json::Value, ShellError> {
         UntaggedValue::Block(_) | UntaggedValue::Primitive(Primitive::Range(_)) => {
             serde_json::Value::Null
         }
+        #[cfg(feature = "dataframe")]
+        UntaggedValue::Dataframe(_) => serde_json::Value::Null,
         UntaggedValue::Primitive(Primitive::Binary(b)) => serde_json::Value::Array(
             b.iter()
                 .map(|x| {
diff --git a/crates/nu-command/src/commands/to_toml.rs b/crates/nu-command/src/commands/to_toml.rs
index b0cd99d68..741a6c88a 100644
--- a/crates/nu-command/src/commands/to_toml.rs
+++ b/crates/nu-command/src/commands/to_toml.rs
@@ -75,6 +75,8 @@ fn helper(v: &Value) -> Result<toml::Value, ShellError> {
         UntaggedValue::Table(l) => toml::Value::Array(collect_values(l)?),
         UntaggedValue::Error(e) => return Err(e.clone()),
         UntaggedValue::Block(_) => toml::Value::String("<Block>".to_string()),
+        #[cfg(feature = "dataframe")]
+        UntaggedValue::Dataframe(_) => toml::Value::String("<Dataframe>".to_string()),
         UntaggedValue::Primitive(Primitive::Range(_)) => toml::Value::String("<Range>".to_string()),
         UntaggedValue::Primitive(Primitive::Binary(b)) => {
             toml::Value::Array(b.iter().map(|x| toml::Value::Integer(*x as i64)).collect())
@@ -218,7 +220,7 @@ mod tests {
             [owner]
             name = "Tom Preston-Werner"
             dob = 1979-05-27T07:32:00-08:00 # First class dates
-            
+
             [dependencies]
             rustyline = "4.1.0"
             sysinfo = "0.8.4"
diff --git a/crates/nu-command/src/commands/to_yaml.rs b/crates/nu-command/src/commands/to_yaml.rs
index 7668d3e75..bd7a9bcec 100644
--- a/crates/nu-command/src/commands/to_yaml.rs
+++ b/crates/nu-command/src/commands/to_yaml.rs
@@ -95,6 +95,8 @@ pub fn value_to_yaml_value(v: &Value) -> Result<serde_yaml::Value, ShellError> {
         UntaggedValue::Block(_) | UntaggedValue::Primitive(Primitive::Range(_)) => {
             serde_yaml::Value::Null
         }
+        #[cfg(feature = "dataframe")]
+        UntaggedValue::Dataframe(_) => serde_yaml::Value::Null,
         UntaggedValue::Primitive(Primitive::Binary(b)) => serde_yaml::Value::Sequence(
             b.iter()
                 .map(|x| serde_yaml::Value::Number(serde_yaml::Number::from(*x)))
diff --git a/crates/nu-command/src/commands/uniq.rs b/crates/nu-command/src/commands/uniq.rs
index 5598dba12..69cebbd79 100644
--- a/crates/nu-command/src/commands/uniq.rs
+++ b/crates/nu-command/src/commands/uniq.rs
@@ -155,6 +155,14 @@ fn uniq(args: CommandArgs) -> Result<ActionStream, ShellError> {
                             item.0.tag.span,
                         ))
                     }
+                    #[cfg(feature = "dataframe")]
+                    UntaggedValue::Dataframe(_) => {
+                        return Err(ShellError::labeled_error(
+                            "uniq -c cannot operate on dataframes.",
+                            "source",
+                            item.0.tag.span,
+                        ))
+                    }
                     UntaggedValue::Error(_) | UntaggedValue::Block(_) => item.0,
                 }
             };
diff --git a/crates/nu-data/Cargo.toml b/crates/nu-data/Cargo.toml
index 7f222ba27..f0e0bffae 100644
--- a/crates/nu-data/Cargo.toml
+++ b/crates/nu-data/Cargo.toml
@@ -43,3 +43,4 @@ users = "0.11.0"
 [features]
 directories = ["directories-next"]
 dirs = ["dirs-next"]
+dataframe = ["nu-protocol/dataframe"]
diff --git a/crates/nu-data/src/base/shape.rs b/crates/nu-data/src/base/shape.rs
index 41a167427..9afbe09f0 100644
--- a/crates/nu-data/src/base/shape.rs
+++ b/crates/nu-data/src/base/shape.rs
@@ -43,6 +43,10 @@ pub enum InlineShape {
     // TODO: Error type
     Error,
 
+    // TODO: Dataframe type
+    #[cfg(feature = "dataframe")]
+    Dataframe,
+
     // Stream markers (used as bookend markers rather than actual values)
     BeginningOfStream,
     EndOfStream,
@@ -123,6 +127,8 @@ impl InlineShape {
             UntaggedValue::Table(table) => InlineShape::from_table(table.iter()),
             UntaggedValue::Error(_) => InlineShape::Error,
             UntaggedValue::Block(_) => InlineShape::Block,
+            #[cfg(feature = "dataframe")]
+            UntaggedValue::Dataframe(_) => InlineShape::Dataframe,
         }
     }
 
@@ -312,6 +318,8 @@ impl PrettyDebug for FormatInlineShape {
             .group(),
             InlineShape::Block => DbgDocBldr::opaque("block"),
             InlineShape::Error => DbgDocBldr::error("error"),
+            #[cfg(feature = "dataframe")]
+            InlineShape::Dataframe => DbgDocBldr::error("dataframe_pretty_FormatInlineShape"),
             InlineShape::BeginningOfStream => DbgDocBldr::blank(),
             InlineShape::EndOfStream => DbgDocBldr::blank(),
         }
diff --git a/crates/nu-data/src/config.rs b/crates/nu-data/src/config.rs
index b9f0b452f..0667d6c84 100644
--- a/crates/nu-data/src/config.rs
+++ b/crates/nu-data/src/config.rs
@@ -118,6 +118,8 @@ fn helper(v: &Value) -> Result<toml::Value, ShellError> {
         UntaggedValue::Table(l) => toml::Value::Array(collect_values(l)?),
         UntaggedValue::Error(e) => return Err(e.clone()),
         UntaggedValue::Block(_) => toml::Value::String("<Block>".to_string()),
+        #[cfg(feature = "dataframe")]
+        UntaggedValue::Dataframe(_) => toml::Value::String("<Dataframe>".to_string()),
         UntaggedValue::Primitive(Primitive::Range(_)) => toml::Value::String("<Range>".to_string()),
         UntaggedValue::Primitive(Primitive::Binary(b)) => {
             toml::Value::Array(b.iter().map(|x| toml::Value::Integer(*x as i64)).collect())
diff --git a/crates/nu-protocol/Cargo.toml b/crates/nu-protocol/Cargo.toml
index 11133cb56..c6f1a57b6 100644
--- a/crates/nu-protocol/Cargo.toml
+++ b/crates/nu-protocol/Cargo.toml
@@ -25,9 +25,14 @@ num-traits = "0.2.14"
 serde = { version = "1.0", features = ["derive"] }
 serde_bytes = "0.11.5"
 
+polars = {version="0.13.1", git = "https://github.com/ritchie46/polars", rev = "3efad9a5c380c64a5eb78b4b7ad257e1e606b9f0", optional = true}
+
 # implement conversions
 serde_json = "1.0"
 serde_yaml = "0.8.16"
 toml = "0.5.8"
 
+[features]
+dataframe = ["polars"]
+
 [build-dependencies]
diff --git a/crates/nu-protocol/src/dataframe/mod.rs b/crates/nu-protocol/src/dataframe/mod.rs
new file mode 100644
index 000000000..2b1699b7b
--- /dev/null
+++ b/crates/nu-protocol/src/dataframe/mod.rs
@@ -0,0 +1,3 @@
+pub mod nu_dataframe;
+
+pub use nu_dataframe::NuDataFrame;
diff --git a/crates/nu-protocol/src/dataframe/nu_dataframe.rs b/crates/nu-protocol/src/dataframe/nu_dataframe.rs
new file mode 100644
index 000000000..512631281
--- /dev/null
+++ b/crates/nu-protocol/src/dataframe/nu_dataframe.rs
@@ -0,0 +1,432 @@
+use std::hash::{Hash, Hasher};
+use std::{cmp::Ordering, collections::hash_map::Entry, collections::HashMap};
+
+use bigdecimal::FromPrimitive;
+use chrono::{DateTime, FixedOffset, NaiveDateTime};
+use nu_errors::ShellError;
+use nu_source::Tag;
+use num_bigint::BigInt;
+use polars::prelude::{AnyValue, DataFrame, NamedFrom, Series, TimeUnit};
+use serde::de::{Deserialize, Deserializer, Visitor};
+use serde::Serialize;
+
+use std::fmt;
+
+use crate::{Dictionary, Primitive, UntaggedValue, Value};
+
+const SECS_PER_DAY: i64 = 86_400;
+
+#[derive(Debug)]
+enum InputValue {
+    Integer,
+    Decimal,
+    String,
+}
+
+#[derive(Debug)]
+struct ColumnValues {
+    pub value_type: InputValue,
+    pub values: Vec<Value>,
+}
+
+impl Default for ColumnValues {
+    fn default() -> Self {
+        Self {
+            value_type: InputValue::Integer,
+            values: Vec::new(),
+        }
+    }
+}
+
+type ColumnMap = HashMap<String, ColumnValues>;
+
+// TODO. Using Option to help with deserialization. It will be better to find
+// a way to use serde with dataframes
+#[derive(Debug, Clone, Serialize)]
+pub struct NuDataFrame {
+    #[serde(skip_serializing)]
+    pub dataframe: Option<DataFrame>,
+    pub name: String,
+}
+
+impl Default for NuDataFrame {
+    fn default() -> Self {
+        NuDataFrame {
+            dataframe: None,
+            name: String::from("From Stream"),
+        }
+    }
+}
+
+impl NuDataFrame {
+    fn new() -> Self {
+        Self::default()
+    }
+}
+
+// TODO. Better definition of equality and comparison for a dataframe.
+// Probably it make sense to have a name field and use it for comparisons
+impl PartialEq for NuDataFrame {
+    fn eq(&self, _: &Self) -> bool {
+        false
+    }
+}
+
+impl Eq for NuDataFrame {}
+
+impl PartialOrd for NuDataFrame {
+    fn partial_cmp(&self, _: &Self) -> Option<Ordering> {
+        Some(Ordering::Equal)
+    }
+}
+
+impl Ord for NuDataFrame {
+    fn cmp(&self, _: &Self) -> Ordering {
+        Ordering::Equal
+    }
+}
+
+impl Hash for NuDataFrame {
+    fn hash<H: Hasher>(&self, _: &mut H) {}
+}
+
+impl<'de> Visitor<'de> for NuDataFrame {
+    type Value = Self;
+
+    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        formatter.write_str("an integer between -2^31 and 2^31")
+    }
+}
+
+impl<'de> Deserialize<'de> for NuDataFrame {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        deserializer.deserialize_i32(NuDataFrame::new())
+    }
+}
+
+impl NuDataFrame {
+    pub fn try_from_iter<T>(iter: T, tag: &Tag) -> Result<Self, ShellError>
+    where
+        T: Iterator<Item = Value>,
+    {
+        // Dictionary to store the columnar data extracted from
+        // the input. During the iteration we will sort if the values
+        // have different type
+        let mut column_values: ColumnMap = HashMap::new();
+
+        for value in iter {
+            match value.value {
+                UntaggedValue::Row(dictionary) => insert_row(&mut column_values, dictionary)?,
+                UntaggedValue::Table(table) => insert_table(&mut column_values, table)?,
+                _ => {
+                    return Err(ShellError::labeled_error(
+                        "Format not supported",
+                        "Value not supported for conversion",
+                        &value.tag,
+                    ));
+                }
+            }
+        }
+
+        from_parsed_columns(column_values, tag)
+    }
+
+    // Print is made out a head and if the dataframe is too large, then a tail
+    pub fn print(&self) -> Result<Vec<Value>, ShellError> {
+        if let Some(df) = &self.dataframe {
+            let size: usize = 5;
+            let mut values = self.head(Some(size))?;
+
+            if df.height() > size {
+                add_separator(&mut values, df);
+
+                let remaining = df.height() - size;
+                let tail_size = remaining.min(size);
+                let mut tail_values = self.tail(Some(tail_size))?;
+
+                values.append(&mut tail_values);
+            }
+
+            Ok(values)
+        } else {
+            unreachable!()
+        }
+    }
+
+    pub fn head(&self, rows: Option<usize>) -> Result<Vec<Value>, ShellError> {
+        let to_row = rows.unwrap_or(5);
+        let values = self.to_rows(0, to_row)?;
+
+        Ok(values)
+    }
+
+    pub fn tail(&self, rows: Option<usize>) -> Result<Vec<Value>, ShellError> {
+        if let Some(df) = &self.dataframe {
+            let to_row = df.height();
+            let size = rows.unwrap_or(5);
+            let from_row = to_row.saturating_sub(size);
+
+            let values = self.to_rows(from_row, to_row)?;
+
+            Ok(values)
+        } else {
+            unreachable!()
+        }
+    }
+
+    pub fn to_rows(&self, from_row: usize, to_row: usize) -> Result<Vec<Value>, ShellError> {
+        if let Some(df) = &self.dataframe {
+            let column_names = df.get_column_names();
+
+            let mut values: Vec<Value> = Vec::new();
+
+            let upper_row = to_row.min(df.height());
+            for i in from_row..upper_row {
+                let row = df.get_row(i);
+                let mut dictionary_row = Dictionary::default();
+
+                for (val, name) in row.0.iter().zip(column_names.iter()) {
+                    let untagged_val = anyvalue_to_untagged(val)?;
+
+                    let dict_val = Value {
+                        value: untagged_val,
+                        tag: Tag::unknown(),
+                    };
+
+                    dictionary_row.insert(name.to_string(), dict_val);
+                }
+
+                let value = Value {
+                    value: UntaggedValue::Row(dictionary_row),
+                    tag: Tag::unknown(),
+                };
+
+                values.push(value);
+            }
+
+            Ok(values)
+        } else {
+            unreachable!()
+        }
+    }
+}
+
+// Adds a separator to the vector of values using the column names from the
+// dataframe to create the Values Row
+fn add_separator(values: &mut Vec<Value>, df: &DataFrame) {
+    let column_names = df.get_column_names();
+
+    let mut dictionary = Dictionary::default();
+    for name in column_names {
+        let indicator = Value {
+            value: UntaggedValue::Primitive(Primitive::String("...".to_string())),
+            tag: Tag::unknown(),
+        };
+
+        dictionary.insert(name.to_string(), indicator);
+    }
+
+    let extra_column = Value {
+        value: UntaggedValue::Row(dictionary),
+        tag: Tag::unknown(),
+    };
+
+    values.push(extra_column);
+}
+
+// Converts a polars AnyValue to an UntaggedValue
+// This is used when printing values coming for polars dataframes
+fn anyvalue_to_untagged(anyvalue: &AnyValue) -> Result<UntaggedValue, ShellError> {
+    Ok(match anyvalue {
+        AnyValue::Null => UntaggedValue::Primitive(Primitive::Nothing),
+        AnyValue::Utf8(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Boolean(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Float32(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Float64(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Int32(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Int64(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::UInt8(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::UInt16(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Int8(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Int16(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::UInt32(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::UInt64(a) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Date32(a) => {
+            // elapsed time in day since 1970-01-01
+            let seconds = *a as i64 * SECS_PER_DAY;
+            let naive_datetime = NaiveDateTime::from_timestamp(seconds, 0);
+
+            // Zero length offset
+            let offset = FixedOffset::east(0);
+            let datetime = DateTime::<FixedOffset>::from_utc(naive_datetime, offset);
+
+            UntaggedValue::Primitive(Primitive::Date(datetime))
+        }
+        AnyValue::Date64(a) => {
+            // elapsed time in milliseconds since 1970-01-01
+            let seconds = *a / 1000;
+            let naive_datetime = NaiveDateTime::from_timestamp(seconds, 0);
+
+            // Zero length offset
+            let offset = FixedOffset::east(0);
+            let datetime = DateTime::<FixedOffset>::from_utc(naive_datetime, offset);
+
+            UntaggedValue::Primitive(Primitive::Date(datetime))
+        }
+        AnyValue::Time64(a, _) => UntaggedValue::Primitive((*a).into()),
+        AnyValue::Duration(a, unit) => {
+            let nanoseconds = match unit {
+                TimeUnit::Second => *a / 1_000_000_000,
+                TimeUnit::Millisecond => *a / 1_000_000,
+                TimeUnit::Microsecond => *a / 1_000,
+                TimeUnit::Nanosecond => *a,
+            };
+
+            if let Some(bigint) = BigInt::from_i64(nanoseconds) {
+                UntaggedValue::Primitive(Primitive::Duration(bigint))
+            } else {
+                unreachable!("Internal error: protocol did not use compatible decimal")
+            }
+        }
+        AnyValue::List(_) => {
+            return Err(ShellError::labeled_error(
+                "Format not supported",
+                "Value not supported for conversion",
+                Tag::unknown(),
+            ));
+        }
+    })
+}
+
+// Inserting the values found in a UntaggedValue::Row
+// All the entries for the dictionary are checked in order to check if
+// the column values have the same type value.
+fn insert_row(column_values: &mut ColumnMap, dictionary: Dictionary) -> Result<(), ShellError> {
+    for (key, value) in dictionary.entries {
+        insert_value(value, key, column_values)?;
+    }
+
+    Ok(())
+}
+
+// Inserting the values found in a UntaggedValue::Table
+// All the entries for the table are checked in order to check if
+// the column values have the same type value.
+// The names for the columns are the enumerated numbers from the values
+fn insert_table(column_values: &mut ColumnMap, table: Vec<Value>) -> Result<(), ShellError> {
+    for (index, value) in table.into_iter().enumerate() {
+        let key = format!("{}", index);
+        insert_value(value, key, column_values)?;
+    }
+
+    Ok(())
+}
+
+fn insert_value(
+    value: Value,
+    key: String,
+    column_values: &mut ColumnMap,
+) -> Result<(), ShellError> {
+    let col_val = match column_values.entry(key) {
+        Entry::Vacant(entry) => entry.insert(ColumnValues::default()),
+        Entry::Occupied(entry) => entry.into_mut(),
+    };
+
+    // Checking that the type for the value is the same
+    // for the previous value in the column
+    if col_val.values.is_empty() {
+        match &value.value {
+            UntaggedValue::Primitive(Primitive::Int(_)) => {
+                col_val.value_type = InputValue::Integer;
+            }
+            UntaggedValue::Primitive(Primitive::Decimal(_)) => {
+                col_val.value_type = InputValue::Decimal;
+            }
+            UntaggedValue::Primitive(Primitive::String(_)) => {
+                col_val.value_type = InputValue::String;
+            }
+            _ => {
+                return Err(ShellError::labeled_error(
+                    "Only primitive values accepted",
+                    "Not a primitive value",
+                    &value.tag,
+                ));
+            }
+        }
+        col_val.values.push(value);
+    } else {
+        let prev_value = &col_val.values[col_val.values.len() - 1];
+
+        match (&prev_value.value, &value.value) {
+            (
+                UntaggedValue::Primitive(Primitive::Int(_)),
+                UntaggedValue::Primitive(Primitive::Int(_)),
+            )
+            | (
+                UntaggedValue::Primitive(Primitive::Decimal(_)),
+                UntaggedValue::Primitive(Primitive::Decimal(_)),
+            )
+            | (
+                UntaggedValue::Primitive(Primitive::String(_)),
+                UntaggedValue::Primitive(Primitive::String(_)),
+            ) => col_val.values.push(value),
+            _ => {
+                return Err(ShellError::labeled_error(
+                    "Different values in column",
+                    "Value with different type",
+                    &value.tag,
+                ));
+            }
+        }
+    }
+
+    Ok(())
+}
+
+// The ColumnMap has the parsed data from the StreamInput
+// This data can be used to create a Series object that can initialize
+// the dataframe based on the type of data that is found
+fn from_parsed_columns(column_values: ColumnMap, tag: &Tag) -> Result<NuDataFrame, ShellError> {
+    let mut df_series: Vec<Series> = Vec::new();
+    for (name, column) in column_values {
+        match column.value_type {
+            InputValue::Decimal => {
+                let series_values: Result<Vec<_>, _> =
+                    column.values.iter().map(|v| v.as_f64()).collect();
+                let series = Series::new(&name, series_values?);
+                df_series.push(series)
+            }
+            InputValue::Integer => {
+                let series_values: Result<Vec<_>, _> =
+                    column.values.iter().map(|v| v.as_f32()).collect();
+                let series = Series::new(&name, series_values?);
+                df_series.push(series)
+            }
+            InputValue::String => {
+                let series_values: Result<Vec<_>, _> =
+                    column.values.iter().map(|v| v.as_string()).collect();
+                let series = Series::new(&name, series_values?);
+                df_series.push(series)
+            }
+        }
+    }
+
+    let df = DataFrame::new(df_series);
+
+    match df {
+        Ok(df) => Ok(NuDataFrame {
+            dataframe: Some(df),
+            name: "From stream".to_string(),
+        }),
+        Err(e) => {
+            return Err(ShellError::labeled_error(
+                "Error while creating dataframe",
+                format!("{}", e),
+                tag,
+            ))
+        }
+    }
+}
diff --git a/crates/nu-protocol/src/lib.rs b/crates/nu-protocol/src/lib.rs
index 33d4ab4fd..2e3ae0be6 100644
--- a/crates/nu-protocol/src/lib.rs
+++ b/crates/nu-protocol/src/lib.rs
@@ -12,6 +12,9 @@ mod type_name;
 mod type_shape;
 pub mod value;
 
+#[cfg(feature = "dataframe")]
+pub mod dataframe;
+
 pub use crate::call_info::{CallInfo, EvaluatedArgs};
 pub use crate::config_path::ConfigPath;
 pub use crate::maybe_owned::MaybeOwned;
diff --git a/crates/nu-protocol/src/type_shape.rs b/crates/nu-protocol/src/type_shape.rs
index ee7d039ed..30d69d78b 100644
--- a/crates/nu-protocol/src/type_shape.rs
+++ b/crates/nu-protocol/src/type_shape.rs
@@ -69,6 +69,10 @@ pub enum Type {
     BeginningOfStream,
     /// End of stream marker (used as bookend markers rather than actual values)
     EndOfStream,
+
+    /// Dataframe
+    #[cfg(feature = "dataframe")]
+    Dataframe,
 }
 
 /// A shape representation of the type of a row
@@ -183,6 +187,8 @@ impl Type {
             UntaggedValue::Table(table) => Type::from_table(table.iter()),
             UntaggedValue::Error(_) => Type::Error,
             UntaggedValue::Block(_) => Type::Block,
+            #[cfg(feature = "dataframe")]
+            UntaggedValue::Dataframe(_) => Type::Dataframe,
         }
     }
 }
@@ -287,6 +293,8 @@ impl PrettyDebug for Type {
                     })
             }
             Type::Block => ty("block"),
+            #[cfg(feature = "dataframe")]
+            Type::Dataframe => ty("dataframe_pretty_debug_for_Type"),
         }
     }
 }
diff --git a/crates/nu-protocol/src/value.rs b/crates/nu-protocol/src/value.rs
index 80f99a86c..0fef1e18a 100644
--- a/crates/nu-protocol/src/value.rs
+++ b/crates/nu-protocol/src/value.rs
@@ -30,6 +30,9 @@ use std::hash::{Hash, Hasher};
 use std::path::PathBuf;
 use std::time::SystemTime;
 
+#[cfg(feature = "dataframe")]
+use crate::dataframe::NuDataFrame;
+
 /// The core structured values that flow through a pipeline
 #[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash, Serialize, Deserialize)]
 pub enum UntaggedValue {
@@ -47,6 +50,10 @@ pub enum UntaggedValue {
 
     /// A block of Nu code, eg `{ ls | get name ; echo "done" }` with its captured values
     Block(Box<hir::CapturedBlock>),
+
+    /// NuDataframe
+    #[cfg(feature = "dataframe")]
+    Dataframe(NuDataFrame),
 }
 
 impl UntaggedValue {
@@ -489,6 +496,22 @@ impl Value {
         }
     }
 
+    /// View the Value as signed 32-bit float, if possible
+    pub fn as_f32(&self) -> Result<f32, ShellError> {
+        match &self.value {
+            UntaggedValue::Primitive(primitive) => primitive.as_f32(self.tag.span),
+            _ => Err(ShellError::type_error("integer", self.spanned_type_name())),
+        }
+    }
+
+    /// View the Value as signed 64-bit float, if possible
+    pub fn as_f64(&self) -> Result<f64, ShellError> {
+        match &self.value {
+            UntaggedValue::Primitive(primitive) => primitive.as_f64(self.tag.span),
+            _ => Err(ShellError::type_error("integer", self.spanned_type_name())),
+        }
+    }
+
     /// View the Value as boolean, if possible
     pub fn as_bool(&self) -> Result<bool, ShellError> {
         match &self.value {
@@ -634,6 +657,8 @@ impl ShellTypeName for UntaggedValue {
             UntaggedValue::Table(_) => "table",
             UntaggedValue::Error(_) => "error",
             UntaggedValue::Block(_) => "block",
+            #[cfg(feature = "dataframe")]
+            UntaggedValue::Dataframe(_) => "dataframe",
         }
     }
 }
diff --git a/crates/nu-protocol/src/value/debug.rs b/crates/nu-protocol/src/value/debug.rs
index f7e3c73d5..99f273954 100644
--- a/crates/nu-protocol/src/value/debug.rs
+++ b/crates/nu-protocol/src/value/debug.rs
@@ -24,6 +24,8 @@ impl PrettyDebug for Value {
             .nest(),
             UntaggedValue::Error(_) => DbgDocBldr::error("error"),
             UntaggedValue::Block(_) => DbgDocBldr::opaque("block"),
+            #[cfg(feature = "dataframe")]
+            UntaggedValue::Dataframe(_) => DbgDocBldr::opaque("dataframe_prettydebug_for_Value"),
         }
     }
 }
diff --git a/crates/nu-protocol/src/value/primitive.rs b/crates/nu-protocol/src/value/primitive.rs
index 4f890651c..c9266a164 100644
--- a/crates/nu-protocol/src/value/primitive.rs
+++ b/crates/nu-protocol/src/value/primitive.rs
@@ -247,6 +247,29 @@ impl Primitive {
         }
     }
 
+    pub fn as_f32(&self, span: Span) -> Result<f32, ShellError> {
+        match self {
+            Primitive::Int(int) => int.to_f32().ok_or_else(|| {
+                ShellError::range_error(
+                    ExpectedRange::F32,
+                    &format!("{}", int).spanned(span),
+                    "converting an integer into a signed 32-bit float",
+                )
+            }),
+            Primitive::Decimal(decimal) => decimal.to_f32().ok_or_else(|| {
+                ShellError::range_error(
+                    ExpectedRange::F32,
+                    &format!("{}", decimal).spanned(span),
+                    "converting a decimal into a signed 32-bit float",
+                )
+            }),
+            other => Err(ShellError::type_error(
+                "number",
+                other.type_name().spanned(span),
+            )),
+        }
+    }
+
     // FIXME: This is a bad name, but no other way to differentiate with our own Duration.
     pub fn into_chrono_duration(self, span: Span) -> Result<chrono::Duration, ShellError> {
         match self {
@@ -332,17 +355,35 @@ impl From<BigInt> for Primitive {
     }
 }
 
-impl From<f64> for Primitive {
-    /// Helper to convert from 64-bit float to a Primitive value
-    fn from(float: f64) -> Primitive {
-        if let Some(f) = BigDecimal::from_f64(float) {
-            Primitive::Decimal(f)
-        } else {
-            unreachable!("Internal error: protocol did not use f64-compatible decimal")
+// Macro to define the From trait for native types to primitives
+// The from trait requires a converter that will be applied to the
+// native type.
+macro_rules! from_native_to_primitive {
+    ($native_type:ty, $primitive_type:expr, $converter: expr) => {
+        // e.g. from u32 -> Primitive
+        impl From<$native_type> for Primitive {
+            fn from(int: $native_type) -> Primitive {
+                if let Some(i) = $converter(int) {
+                    $primitive_type(i)
+                } else {
+                    unreachable!("Internal error: protocol did not use compatible decimal")
+                }
+            }
         }
-    }
+    };
 }
 
+from_native_to_primitive!(i8, Primitive::Int, BigInt::from_i8);
+from_native_to_primitive!(i16, Primitive::Int, BigInt::from_i16);
+from_native_to_primitive!(i32, Primitive::Int, BigInt::from_i32);
+from_native_to_primitive!(i64, Primitive::Int, BigInt::from_i64);
+from_native_to_primitive!(u8, Primitive::Int, BigInt::from_u8);
+from_native_to_primitive!(u16, Primitive::Int, BigInt::from_u16);
+from_native_to_primitive!(u32, Primitive::Int, BigInt::from_u32);
+from_native_to_primitive!(u64, Primitive::Int, BigInt::from_u64);
+from_native_to_primitive!(f32, Primitive::Decimal, BigDecimal::from_f32);
+from_native_to_primitive!(f64, Primitive::Decimal, BigDecimal::from_f64);
+
 impl From<chrono::Duration> for Primitive {
     fn from(duration: chrono::Duration) -> Primitive {
         // FIXME: This is a hack since chrono::Duration does not give access to its 'nanos' field.
diff --git a/crates/nu-value-ext/Cargo.toml b/crates/nu-value-ext/Cargo.toml
index 616c6f5c2..bd1369277 100644
--- a/crates/nu-value-ext/Cargo.toml
+++ b/crates/nu-value-ext/Cargo.toml
@@ -17,3 +17,6 @@ nu-source = { path = "../nu-source", version = "0.31.0" }
 indexmap = { version = "1.6.1", features = ["serde-1"] }
 itertools = "0.10.0"
 num-traits = "0.2.14"
+
+[features]
+dataframe = ["nu-protocol/dataframe"]
diff --git a/crates/nu-value-ext/src/lib.rs b/crates/nu-value-ext/src/lib.rs
index caff9641e..04f9c1852 100644
--- a/crates/nu-value-ext/src/lib.rs
+++ b/crates/nu-value-ext/src/lib.rs
@@ -724,6 +724,10 @@ pub fn get_data<'value>(value: &'value Value, desc: &str) -> MaybeOwned<'value,
         UntaggedValue::Block(_) | UntaggedValue::Table(_) | UntaggedValue::Error(_) => {
             MaybeOwned::Owned(UntaggedValue::nothing().into_untagged_value())
         }
+        #[cfg(feature = "dataframe")]
+        UntaggedValue::Dataframe(_) => {
+            MaybeOwned::Owned(UntaggedValue::nothing().into_untagged_value())
+        }
     }
 }