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release: 0.10.0 (#479)
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eitsupi authored Nov 8, 2023
1 parent 8da6e9b commit bc2b5b5
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2 changes: 1 addition & 1 deletion DESCRIPTION
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Package: polars
Title: Lightning-Fast 'DataFrame' Library
Version: 0.9.0.9000
Version: 0.10.0.9000
Depends: R (>= 4.2)
Imports: utils, codetools
Authors@R:
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10 changes: 6 additions & 4 deletions NEWS.md
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# polars (development version)

# polars 0.10.0

## BREAKING CHANGES DUE TO RUST-POLARS UPDATE

- rust-polars is updated to 2023-10-25 unreleased version (#442)
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## Breaking changes

- `$scan_csv()` and `$read_csv()` now match more closely the Python-Polars API (#455):
- `sep` is renamed `separator`, `overwrite_dtypes` is renamed `dtypes`,
- `sep` is renamed `separator`, `overwrite_dtypes` is renamed `dtypes`,
`parse_dates` is renamed `try_parse_dates`.
- new arguments `rechunk`, `eol_char`, `raise_if_empty`, `truncate_ragged_lines`
- `path` can now be a vector of characters indicating several paths to CSV files.
- `path` can now be a vector of characters indicating several paths to CSV files.
This only works if all CSV files have the same schema.

## What's changed

- New class `RPolarsSQLContext` and its methods to perform SQL queries on DataFrame-
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- New methods `$peak_min()` and `$peak_max()` to find local minima and maxima in
an Expr (#462).
- New methods `$read_ndjson()` and `$scan_ndjson()` (#471).
- New method `$with_context()` for `LazyFrame` to have access to columns from
- New method `$with_context()` for `LazyFrame` to have access to columns from
other Data/LazyFrames during the computation.

# polars 0.9.0
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2 changes: 1 addition & 1 deletion R/extendr-wrappers.R
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Expand Up @@ -1075,7 +1075,7 @@ LazyFrame$explode <- function(dotdotdot) .Call(wrap__LazyFrame__explode, self, d

LazyFrame$clone_see_me_macro <- function() .Call(wrap__LazyFrame__clone_see_me_macro, self)

LazyFrame$with_context <- function(other) .Call(wrap__LazyFrame__with_context, self, other)
LazyFrame$with_context <- function(contexts) .Call(wrap__LazyFrame__with_context, self, contexts)

#' @export
`$.LazyFrame` <- function (self, name) { func <- LazyFrame[[name]]; environment(func) <- environment(); func }
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