Cargo Features
polars-mem-engine has no features set by default.
[dependencies]
polars-mem-engine = { version = "0.53.0", features = ["async", "python", "ipc", "json", "scan_lines", "csv", "cloud", "parquet", "dtype-categorical", "dtype-date", "dtype-datetime", "dtype-decimal", "dtype-duration", "dtype-i16", "dtype-i8", "dtype-struct", "dtype-time", "dtype-u16", "dtype-u8", "dtype-f16", "object", "dynamic_group_by", "asof_join", "merge_sorted", "allow_unused", "futures"] }- async = tokio
- python = pyo3
-
Enables python of polars-core, polars-error, polars-io, and polars-plan
Affects
lp::python_scan_predicate… - ipc
-
Enables ipc of polars-io and polars-plan
polars-io:
support for arrows ipc file parsing
- json = polars-json
-
Enables json of polars-io and polars-plan
polars-io:
support for arrows json parsing
- scan_lines
-
Enables scan_lines of polars-io and polars-plan
- csv
-
Enables csv of polars-io and polars-plan
- cloud
-
Enables cloud of polars-plan
- parquet
-
Enables parquet of polars-io and polars-plan
- dtype-categorical
-
Enables dtype-categorical of polars-plan
- dtype-date
-
Enables dtype-date of polars-plan and polars-time
- dtype-datetime
-
Enables dtype-datetime of polars-plan and polars-time
- dtype-decimal
-
Enables dtype-decimal of polars-plan
- dtype-duration
-
Enables dtype-duration of polars-plan and polars-time
- dtype-i16
-
Enables dtype-i16 of polars-plan
- dtype-i8
-
Enables dtype-i8 of polars-plan
- dtype-struct
-
Enables dtype-struct of polars-ops and polars-plan
- dtype-time
-
Enables dtype-time of polars-plan and polars-time
- dtype-u16
-
Enables dtype-u16 of polars-plan
- dtype-u8
-
Enables dtype-u8 of polars-plan
- dtype-f16
-
Enables dtype-f16 of polars-plan
- object
-
Enables object of polars-core
polars-core:
support for ObjectChunked<T> (downcastable Series of any type)
- dynamic_group_by = polars-time
-
Enables dynamic_group_by of polars-expr and polars-plan
- asof_join = polars-time
-
Enables asof_join of polars-ops and polars-plan
- merge_sorted
-
Enables merge_sorted of polars-ops and polars-plan
- allow_unused
-
Enables allow_unused of polars-core, polars-expr, polars-io, polars-ops, polars-plan, and polars-time
Features from optional dependencies
In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.
- futures implicit feature
- polars-json json?
- polars-time allow_unused? asof_join? dtype-date? dtype-datetime? dtype-duration? dtype-time? dynamic_group_by?
- pyo3 python?
-
Enables pyo3 ^0.27
- tokio async?