forked from googleapis/python-bigquery-dataframes
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy path__init__.py
More file actions
60 lines (44 loc) · 1.69 KB
/
Copy path__init__.py
File metadata and controls
60 lines (44 loc) · 1.69 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This module integrates BigQuery built-in functions for use with DataFrame objects,
such as array functions:
https://cloud.google.com/bigquery/docs/reference/standard-sql/array_functions. """
from __future__ import annotations
import typing
import bigframes.operations as ops
if typing.TYPE_CHECKING:
import bigframes.series as series
def array_length(series: series.Series) -> series.Series:
"""Compute the length of each array element in the Series.
**Examples:**
>>> import bigframes.pandas as bpd
>>> import bigframes.bigquery as bbq
>>> bpd.options.display.progress_bar = None
>>> s = bpd.Series([[1, 2, 8, 3], [], [3, 4]])
>>> bbq.array_length(s)
0 4
1 0
2 2
dtype: Int64
You can also apply this function directly to Series.
>>> s.apply(bbq.array_length, by_row=False)
0 4
1 0
2 2
dtype: Int64
Returns:
bigframes.series.Series: A Series of integer values indicating
the length of each element in the Series.
"""
return series._apply_unary_op(ops.len_op)