polars_
lazy
0.46.0
In polars_
lazy::
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cat
dt
function_expr
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GroupbyOptions
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ListNameSpace
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MetaNameSpace
NDJsonReadOptions
PartitionSinkType
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PartitionTargetContext
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RollingCovOptions
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SpecialEq
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StructNameSpace
Then
UnionArgs
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UnpivotArgsDSL
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When
Enums
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Engine
Excluded
Expr
FileScan
FileType
FunctionExpr
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JoinTypeOptionsIR
LazySerde
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PartitionTargetCallback
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ExprEvalExtension
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IntoListNameSpace
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Functions
all
all_horizontal
any_horizontal
apply_binary
apply_multiple
arange
arg_sort_by
arg_where
as_struct
avg
binary_expr
business_day_count
cast
coalesce
col
cols
concat_arr
concat_expr
concat_list
concat_str
cov
cum_fold_exprs
cum_reduce_exprs
date_ranges
datetime
datetime_range
datetime_ranges
dtype_col
dtype_cols
duration
first
fold_exprs
format_str
index_cols
int_range
int_ranges
is_not_null
is_null
last
len
linear_space
linear_spaces
lit
map_binary
map_list_multiple
map_multiple
max
max_horizontal
mean
mean_horizontal
median
min
min_horizontal
not
nth
pearson_corr
quantile
reduce_exprs
repeat
rolling_corr
rolling_cov
spearman_rank_corr
sum
sum_horizontal
ternary_expr
time_ranges
when
Type Aliases
FieldsNameMapper
FileCount
GetOutput
OpaqueColumnUdf
polars_lazy
::
dsl
Function
nth
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Summary
pub fn nth(n:
i64
) ->
Expr
Expand description
Nth column in a DataFrame.