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Series Operation (#3563)

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* Sample command

* Join command with checks

* More dataframes commands

* Groupby and aggregate commands

* Missing feature dataframe flag

* Renamed file

* New commands for dataframes

* error parser and df reference

* filter command for dataframes

* removed name from nu_dataframe

* commands to save to parquet and csv

* polars new version

* new dataframe commands

* series type and print

* Series basic arithmetics

* Add new column to dataframe

* Command names changed to nushell standard
This commit is contained in:
Fernando Herrera
2021-06-07 18:27:46 +01:00
committed by GitHub
parent 16faafb7a8
commit aa1cd7eba6
39 changed files with 1290 additions and 787 deletions
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48
crates/nu-data/src/value.rs
View File

@ -12,6 +12,9 @@ use num_bigint::BigInt;
use num_traits::{ToPrimitive, Zero};
use std::collections::HashMap;
#[cfg(feature = "dataframe")]
use nu_protocol::dataframe::{NuSeries, PolarsData};
pub struct Date;
impl Date {
@ -491,6 +494,51 @@ pub fn compute_values(
}
_ => Err((left.type_name(), right.type_name())),
},
#[cfg(feature = "dataframe")]
(
UntaggedValue::DataFrame(PolarsData::Series(lhs)),
UntaggedValue::DataFrame(PolarsData::Series(rhs)),
) => {
if lhs.as_ref().dtype() == rhs.as_ref().dtype() {
let result = match operator {
Operator::Plus => {
let mut res = lhs.as_ref() + rhs.as_ref();
let name = format!("sum_{}_{}", lhs.as_ref().name(), rhs.as_ref().name());
let res = res.rename(name.as_ref());
Ok(res.clone())
}
Operator::Minus => {
let mut res = lhs.as_ref() - rhs.as_ref();
let name = format!("sub_{}_{}", lhs.as_ref().name(), rhs.as_ref().name());
let res = res.rename(name.as_ref());
Ok(res.clone())
}
Operator::Multiply => {
let mut res = lhs.as_ref() * rhs.as_ref();
let name = format!("mul_{}_{}", lhs.as_ref().name(), rhs.as_ref().name());
let res = res.rename(name.as_ref());
Ok(res.clone())
}
Operator::Divide => {
let mut res = lhs.as_ref() / rhs.as_ref();
let name = format!("div_{}_{}", lhs.as_ref().name(), rhs.as_ref().name());
let res = res.rename(name.as_ref());
Ok(res.clone())
}
Operator::Modulo => {
let mut res = lhs.as_ref() % rhs.as_ref();
let name = format!("mod_{}_{}", lhs.as_ref().name(), rhs.as_ref().name());
let res = res.rename(name.as_ref());
Ok(res.clone())
}
_ => Err((left.type_name(), right.type_name())),
}?;
Ok(NuSeries::series_to_untagged(result))
} else {
Err((left.type_name(), right.type_name()))
}
}
_ => Err((left.type_name(), right.type_name())),
}
}