Module datatypes

Data types supported by Polars.

At the moment Polars doesn’t include all data types available by Arrow. The goal is to incrementally support more data types and prioritize these by usability.

See the AnyValue variants for the data types that are currently supported.

Modules

• categoricaldtype-categorical
• enum_dtype-categorical
• revmapdtype-categorical
• string_cachedtype-categorical

Structs

• BinaryOffsetType
• BinaryType
• BooleanType
• CatIterdtype-categorical
• CategoricalChunkeddtype-categorical
• CategoricalChunkedBuilderdtype-categorical
• CategoricalType
• CompatLevel
• DateType
• DatetimeType
• DecimalType
• Dimension
• DurationType
• FalseT
• Field
  Characterizes the name and the DataType of a column.
• FixedSizeListTypedtype-array
• Float32Type
• Float64Type
• GlobalRevMapMergerdtype-categorical
• Int8Type
• Int16Type
• Int32Type
• Int64Type
• Int128Type
• ListType
• Logical
  Maps a logical type to a chunked array implementation of the physical type. This saves a lot of compiler bloat and allows us to reuse functionality.
• ObjectTypeobject
• OwnedObjectobject
• PlSmallStr
  String type that inlines small strings.
• StringType
• TimeType
• TrueT
• UInt8Type
• UInt16Type
• UInt32Type
• UInt64Type

Enums

• AnyValue
• ArrowDataType
  The set of supported logical types in this crate.
• ArrowTimeUnit
  The time units defined in Arrow.
• CategoricalOrdering
• DataType
• ReshapeDimension
  A dimension in a reshape.
• RevMappingdtype-categorical
• TimeUnit
• UnknownKind

Constants

• IDX_DTYPENon-bigidx

Statics

• EXTENSION_NAME

Traits

• ArrayCollectIterExt
• ArrayFromIter
• ArrayFromIterDtype
• AsRefDataType
• CategoricalMergeOperationdtype-categorical
• GetAnyValue
• InitHashMaps
• InitHashMaps2
• IntoMetadata
• IntoScalar
• LogicalType
• MetaDataExt
• NumericNative
• PolarsDataType
  Safety
• PolarsFloatType
• PolarsIntegerType
• PolarsNumericType
• SchemaExtPl
• StaticArray

Functions

• call_categorical_merge_operationdtype-categorical
• create_enum_dtypedtype-categorical
• make_categoricals_compatibledtype-categorical
• make_list_categoricals_compatibledtype-categorical
• merge_dtypes

Type Aliases

• ArrayChunkeddtype-array
• BinaryChunked
• BinaryOffsetChunked
• BooleanChunked
• DecimalChunkeddtype-decimal
• FieldRef
• Float32Chunked
• Float64Chunked
• IdxArr
• IdxCaNon-bigidx
• IdxTypeNon-bigidx
• Int8Chunked
• Int16Chunked
• Int32Chunked
• Int64Chunked
• Int128Chunkeddtype-i128
• ListChunked
• ObjectChunkedobject
• PlHashMap
• PlHashSet
• PlIdHashMap
  This hashmap uses an IdHasher
• PlIndexMap
• PlIndexSet
• PlRandomState
• StringChunked
• TimeZone
• UInt8Chunked
• UInt16Chunked
• UInt32Chunked
• UInt64Chunked