move dataframe commands to nu-cmd-dataframe (#9241)

All of the dataframe commands ported over with no issues...

### 11 tests are commented out (for now)

So 100 of the original 111 tests are passing with only 11 tests being
ignored for now..

As per our conversation in the core team meeting on Wednesday
I took @jntrnr  suggestion and just commented out the tests dealing
with
[IntoDatetime](https://github.com/nushell/nushell/blob/main/crates/nu-command/src/conversions/into/mod.rs)

Later on we can move this functionality out of nu-command if we decide
it makes sense...

### The following tests were ignored...

```rust
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_day.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_hour.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_minute.rs

modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_month.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_nanosecond.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_ordinal.rs

modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_second.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_week.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_weekday.rs

modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_year.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/string/strftime.rs
```

Cargo.lock

@@ -2611,6 +2611,7 @@ dependencies = [
  "nix",
  "nu-ansi-term",
  "nu-cli",
+ "nu-cmd-dataframe",
  "nu-cmd-lang",
  "nu-color-config",
  "nu-command",
@@ -2678,6 +2679,24 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "nu-cmd-dataframe"
+version = "0.80.1"
+dependencies = [
+ "chrono",
+ "fancy-regex",
+ "indexmap",
+ "nu-cmd-lang",
+ "nu-engine",
+ "nu-parser",
+ "nu-protocol",
+ "nu-test-support",
+ "num 0.4.0",
+ "polars",
+ "serde",
+ "sqlparser 0.32.0",
+]
+
 [[package]]
 name = "nu-cmd-lang"
 version = "0.80.1"
@@ -2747,6 +2766,7 @@ dependencies = [
  "native-tls",
  "notify",
  "nu-ansi-term",
+ "nu-cmd-dataframe",
  "nu-cmd-lang",
  "nu-color-config",
  "nu-engine",
@@ -2770,7 +2790,6 @@ dependencies = [
  "os_pipe",
  "pathdiff",
  "percent-encoding",
- "polars",
  "powierza-coefficient",
  "print-positions",
  "quick-xml 0.28.2",

Cargo.toml

@@ -28,6 +28,7 @@ members = [
 	"crates/nu-parser",
 	"crates/nu-system",
 	"crates/nu-cmd-lang",
+	"crates/nu-cmd-dataframe",
 	"crates/nu-command",
 	"crates/nu-protocol",
 	"crates/nu-plugin",
@@ -45,6 +46,7 @@ members = [
 nu-cli = { path = "./crates/nu-cli", version = "0.80.1" }
 nu-color-config = { path = "./crates/nu-color-config", version = "0.80.1" }
 nu-cmd-lang = { path = "./crates/nu-cmd-lang", version = "0.80.1" }
+nu-cmd-dataframe = { path = "./crates/nu-cmd-dataframe", version = "0.80.1", optional = true }
 nu-command = { path = "./crates/nu-command", version = "0.80.1" }
 nu-engine = { path = "./crates/nu-engine", version = "0.80.1" }
 nu-json = { path = "./crates/nu-json", version = "0.80.1" }

crates/nu-cmd-dataframe/Cargo.toml

@@ -0,0 +1,68 @@
+[package]
+authors = ["The Nushell Project Developers"]
+description = "Nushell's dataframe commands based on polars."
+edition = "2021"
+license = "MIT"
+name = "nu-cmd-dataframe"
+repository = "https://github.com/nushell/nushell/tree/main/crates/nu-cmd-dataframe"
+version = "0.80.1"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+bench = false
+
+[dependencies]
+nu-cmd-lang = { path = "../nu-cmd-lang", version = "0.80.1" }
+nu-engine = { path = "../nu-engine", version = "0.80.1" }
+nu-parser = { path = "../nu-parser", version = "0.80.1" }
+nu-protocol = { path = "../nu-protocol", version = "0.80.1" }
+
+# Potential dependencies for extras
+chrono = { version = "0.4.23", features = [
+	"std",
+	"unstable-locales",
+], default-features = false }
+fancy-regex = "0.11.0"
+indexmap = { version = "1.7", features = ["serde-1"] }
+num = { version = "0.4.0", optional = true }
+serde = { version = "1.0.123", features = ["derive"] }
+sqlparser = { version = "0.32.0", features = ["serde"], optional = true }
+
+[dependencies.polars]
+features = [
+	"arg_where",
+	"checked_arithmetic",
+	"concat_str",
+	"cross_join",
+	"csv",
+	"cum_agg",
+	"default",
+	"dtype-categorical",
+	"dtype-datetime",
+	"dtype-struct",
+	"dynamic_groupby",
+	"ipc",
+	"is_in",
+	"json",
+	"lazy",
+	"object",
+	"parquet",
+	"random",
+	"rolling_window",
+	"rows",
+	"serde",
+	"serde-lazy",
+	"strings",
+	"strings",
+	"to_dummies",
+]
+optional = true
+version = "0.29.0"
+
+[features]
+dataframe = ["default"]
+default = ["num", "polars", "sqlparser"]
+
+[dev-dependencies]
+nu-test-support = { path = "../nu-test-support", version = "0.80.1" }

crates/nu-cmd-dataframe/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 - 2023 The Nushell Project Developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

crates/nu-cmd-dataframe/src/dataframe/series/date/get_day.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_hour.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_minute.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_month.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_nanosecond.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_ordinal.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_second.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_week.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_weekday.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;

crates/nu-cmd-dataframe/src/dataframe/series/date/get_year.rs

@@ -79,7 +79,7 @@ fn command(
         .map(|df| PipelineData::Value(NuDataFrame::into_value(df, call.head), None))
 }
 
-#[cfg(test)]
+#[cfg(explore_refactor_IntoDatetime)]
 mod test {
     use super::super::super::super::super::IntoDatetime;
     use super::super::super::super::test_dataframe::test_dataframe;