Module expr
polars
0.46.0
Module expr
Module Items
Traits
In polars::
prelude
Modules
_csv_read_internal
_internal
aggregations
arity
array
binary
buffer
byte_source
cat
chunkedarray
cloud
compression
concat_arr
datatypes
datetime
default_arrays
dt
expr
file
fill_null
fixed_size_list
float_sorted_arg_max
full
function_expr
gather
interpolate
interpolate_by
mkdir
mode
nan_propagating_aggregate
null
replace
row_encode
schema_inference
search_sorted
series
sort
strings
sync_on_close
udf
utf8
zip
Macros
df
polars_bail
polars_ensure
polars_err
polars_warn
Structs
AnonymousScanArgs
AnonymousScanOptions
Arc
ArrayNameSpace
ArrowField
AsOfOptions
BatchedCsvReader
BatchedParquetReader
BinaryOffsetType
BinaryType
BooleanChunkedBuilder
BooleanType
Bounds
BoundsIter
BrotliLevel
CatIter
CategoricalChunked
CategoricalChunkedBuilder
CategoricalNameSpace
CategoricalType
ChainedThen
ChainedWhen
ChunkId
ChunkedArray
CompatLevel
CrossJoinOptions
CsvParseOptions
CsvReadOptions
CsvReader
CsvWriter
CsvWriterOptions
DataFrame
DateType
DatetimeArgs
DatetimeType
DecimalType
Dimension
DistinctOptionsDSL
DslBuilder
Duration
DurationArgs
DurationType
DynamicGroupOptions
ExprNameNameSpace
FalseT
Field
FieldsMapper
FileMetadata
FileScanOptions
FileSinkOptions
FileSinkType
FixedSizeListType
Float32Type
Float64Type
GlobalRevMapMerger
GroupBy
GroupPositions
GroupbyOptions
GroupsIdx
GroupsTypeIter
GroupsTypeParIter
GzipLevel
HConcatOptions
IEJoinOptions
InProcessQuery
Int128Type
Int16Type
Int32Type
Int64Type
Int8Type
IpcReadOptions
IpcReader
IpcReaderAsync
IpcScanOptions
IpcStreamReader
IpcStreamWriter
IpcStreamWriterOption
IpcWriter
IpcWriterOptions
JoinArgs
JoinBuilder
JoinOptions
JsonLineReader
JsonReader
JsonWriter
JsonWriterOptions
LazyCsvReader
LazyFrame
LazyGroupBy
LazyJsonLineReader
ListBinaryChunkedBuilder
ListBooleanChunkedBuilder
ListNameSpace
ListPrimitiveChunkedBuilder
ListStringChunkedBuilder
ListType
Logical
LogicalPlanUdfOptions
NDJsonReadOptions
NoNull
Null
NullableIdxSize
ObjectType
OptFlags
OwnedBatchedCsvReader
OwnedObject
ParquetAsyncReader
ParquetOptions
ParquetReader
ParquetWriteOptions
ParquetWriter
PartitionSinkType
PartitionSinkTypeIR
PartitionTargetContext
PartitionTargetContextKey
PlSmallStr
PrimitiveChunkedBuilder
RankOptions
RollingCovOptions
RollingGroupOptions
RollingOptionsDynamicWindow
RollingOptionsFixedWindow
RollingVarParams
Scalar
ScanArgsAnonymous
ScanArgsIpc
ScanArgsParquet
ScanFlags
ScanSourceIter
SerializeOptions
Series
SinkOptions
SortMultipleOptions
SortOptions
SpecialEq
SplitNChars
StatisticsOptions
StringCacheHolder
StringType
StrptimeOptions
StructArray
StructNameSpace
StructType
Then
TimeType
TrueT
UInt16Type
UInt32Type
UInt64Type
UInt8Type
UnionArgs
UnionOptions
UnpivotArgsDSL
UnpivotArgsIR
UserDefinedFunction
When
Window
ZstdLevel
Enums
AggExpr
Ambiguous
AnyValue
ArrayFunction
ArrowDataType
ArrowTimeUnit
AsofStrategy
BinaryFunction
BooleanFunction
CastColumnsPolicy
CategoricalFunction
CategoricalOrdering
ClosedInterval
ClosedWindow
Column
CommentPrefix
CsvEncoding
DataType
DslPlan
Engine
Excluded
Expr
ExtraColumnsPolicy
FileScan
FileType
FillNullStrategy
FunctionExpr
GroupByMethod
GroupsIndicator
GroupsType
IndexOrder
InequalityOperator
InterpolationMethod
IpcCompression
JoinCoalesce
JoinType
JoinTypeOptions
JoinTypeOptionsIR
JoinValidation
JsonFormat
Label
LazySerde
ListFunction
LiteralValue
MaintainOrderJoin
MissingColumnsPolicy
NestedType
NonExistent
NullStrategy
NullValues
Operator
ParallelStrategy
ParquetCompression
ParquetStatistics
PartitionTargetCallback
PartitionVariant
PartitionVariantIR
PolarsError
PowFunction
QuantileMethod
QuoteStyle
RandomMethod
RankMethod
ReshapeDimension
RevMapping
RollingFnParams
ScanSource
ScanSourceRef
ScanSources
SearchSortedSide
Selector
SinkTarget
SinkType
SinkTypeIR
StartBy
StringFunction
StructFunction
TemporalFunction
TimeUnit
UniqueKeepStrategy
UnknownKind
WindowMapping
WindowType
Constants
IDX_DTYPE
NULL
URL_ENCODE_CHAR_SET
Statics
BOOLEAN_RE
DSL_VERSION
EXTENSION_NAME
FLOAT_RE
FLOAT_RE_DECIMAL
INTEGER_RE
POLARS_TEMP_DIR_BASE_PATH
Traits
AnonymousScan
ArgAgg
ArithmeticChunked
ArrayCollectIterExt
ArrayFromIter
ArrayFromIterDtype
AsBinary
AsList
AsRefDataType
AsString
AsofJoin
AsofJoinBy
BinaryNameSpaceImpl
BinaryUdfOutputField
CategoricalMergeOperation
ChunkAgg
ChunkAggSeries
ChunkAnyValue
ChunkApply
ChunkApplyKernel
ChunkApproxNUnique
ChunkBytes
ChunkCast
ChunkCompareEq
ChunkCompareIneq
ChunkExpandAtIndex
ChunkExplode
ChunkFillNullValue
ChunkFilter
ChunkFull
ChunkFullNull
ChunkQuantile
ChunkReverse
ChunkRollApply
ChunkSet
ChunkShift
ChunkShiftFill
ChunkSort
ChunkTake
ChunkTakeUnchecked
ChunkUnique
ChunkVar
ChunkZip
ChunkedBuilder
ChunkedCollectInferIterExt
ChunkedCollectIterExt
ChunkedSet
ColumnBinaryUdf
ColumnsUdf
CrossJoin
CrossJoinFilter
DataFrameJoinOps
DataFrameOps
DateMethods
DatetimeMethods
DurationMethods
ExprEvalExtension
FromData
FromDataBinary
FromDataUtf8
FunctionOutputField
GetAnyValue
IndexToUsize
InitHashMaps
InitHashMaps2
IntoColumn
IntoGroupsType
IntoLazy
IntoListNameSpace
IntoMetadata
IntoScalar
IntoSeries
IntoVec
IsFirstDistinct
IsLastDistinct
JoinDispatch
LazyFileListReader
LhsNumOps
ListBuilderTrait
ListFromIter
ListNameSpaceExtension
ListNameSpaceImpl
Literal
LogicalType
MetaDataExt
MinMaxHorizontal
NamedFrom
NamedFromOwned
NewChunkedArray
NumOpsDispatch
NumOpsDispatchChecked
NumericNative
PolarsDataType
PolarsFloatType
PolarsIntegerType
PolarsIterator
PolarsNumericType
PolarsObject
PolarsRound
PolarsTemporalGroupby
PolarsTruncate
PolarsUpsample
QuantileAggSeries
Reinterpret
RenameAliasFn
RollingSeries
RoundSeries
SchemaExt
SchemaExtPl
SchemaNamesAndDtypes
SeedableFromU64SeedExt
SerReader
SerWriter
SeriesJoin
SeriesMethods
SeriesOpsTime
SeriesRank
SeriesSealed
SeriesTrait
SlicedArray
StaticArray
StringMethods
StringNameSpaceImpl
SumMeanHorizontal
TakeChunked
TakeChunkedHorPar
TemporalMethods
TimeMethods
ToDummies
UdfSchema
VarAggSeries
VecHash
Functions
_coalesce_full_join
_join_suffix_name
_set_check_length
abs
all
all_horizontal
any_horizontal
apply_binary
apply_multiple
apply_projection
arange
arg_sort_by
arg_where
as_struct
avg
base_utc_offset
binary_expr
call_categorical_merge_operation
cast
clip
clip_max
clip_min
coalesce
coalesce_columns
col
collect_all
cols
columns_to_projection
concat
concat_arr
concat_expr
concat_lf_diagonal
concat_lf_horizontal
concat_list
concat_str
convert_inner_type
convert_to_unsigned_index
count_ones
count_rows
count_rows_from_slice
count_rows_from_slice_par
count_zeros
create_enum_dtype
create_sorting_map
cum_count
cum_fold_exprs
cum_max
cum_min
cum_prod
cum_reduce_exprs
cum_sum
date_ranges
datetime
datetime_range
datetime_ranges
datetime_to_timestamp_ms
datetime_to_timestamp_ns
datetime_to_timestamp_us
decode_json_response
default_join_ids
deserialize
diff
dst_offset
dtype_col
dtype_cols
duration
ensure_duration_matches_dtype
ensure_is_constant_duration
ensure_matching_schema
escape_regex
escape_regex_str
estimate_n_lines_in_chunk
estimate_n_lines_in_file
expand_paths
expand_paths_hive
expanded_from_single_directory
first
floor_div_series
fmt_group_by_column
fold_exprs
format_str
get_encodings
get_glob_start_idx
get_reader_bytes
get_strftime_format
group_by_values
group_by_windows
hor_str_concat
impl_duration
impl_replace_time_zone
impl_replace_time_zone_fast
in_nanoseconds_window
index_cols
indexes_to_usizes
infer_file_schema
infer_schema
int_range
int_ranges
interpolate
interpolate_by
is_between
is_cloud_url
is_first_distinct
is_in
is_last_distinct
is_not_null
is_null
is_positive_idx_uncertain
is_positive_idx_uncertain_col
json_lines
known_timezones
last
leading_ones
leading_zeros
len
linear_space
linear_spaces
lit
make_rhs_categoricals_compatible
make_rhs_list_categoricals_compatible
map_binary
map_list_multiple
map_multiple
materialize_empty_df
materialize_projection
max
mean
median
merge_dtypes
min
negate
negate_bitwise
new_int_range
new_linear_space_f32
new_linear_space_f64
not
nth
overwrite_schema
parse_ndjson
prepare_cloud_plan
private_left_join_multiple_keys
quantile
reduce_exprs
remove_bom
repeat
repeat_by
replace
replace_date
replace_datetime
replace_or_default
replace_strict
replace_time_zone
resolve_homedir
split_helper
split_to_struct
str_join
strip_chars
strip_chars_end
strip_chars_start
strip_prefix
strip_suffix
substring_ternary_offsets_value
sum
ternary_expr
time_ranges
trailing_ones
trailing_zeros
try_raise_keyboard_interrupt
try_set_sorted_flag
unique_counts
unpack_dtypes
update_view
when
write_partitioned_dataset
Type Aliases
AllowedOptimizations
ArrayChunked
ArrayRef
ArrowSchema
BinaryChunked
BinaryChunkedBuilder
BinaryOffsetChunked
BooleanChunked
BorrowIdxItem
ChunkJoinOptIds
DateChunked
DatetimeChunked
DecimalChunked
DurationChunked
FieldRef
FieldsNameMapper
FileCount
FileMetadataRef
FillNullLimit
Float32Chunked
Float64Chunked
GetOutput
GroupsSlice
IdxArr
IdxCa
IdxItem
IdxSize
IdxType
InnerJoinIds
Int128Chunked
Int16Chunked
Int32Chunked
Int64Chunked
Int8Chunked
LargeBinaryArray
LargeListArray
LargeStringArray
LeftJoinIds
ListChunked
ObjectChunked
OpaqueColumnUdf
PlFixedStateQuality
PlHashMap
PlHashSet
PlIdHashMap
PlIndexMap
PlIndexSet
PlRandomState
PlRandomStateQuality
PlSeedableRandomStateQuality
PolarsResult
RowGroupIterColumns
Schema
SchemaRef
StringChunked
StringChunkedBuilder
StructChunked
TimeChunked
TimeZone
UInt16Chunked
UInt32Chunked
UInt64Chunked
UInt8Chunked
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AggExpr