Class Row (3.3.5)

Version 3.3.5

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Row(values, field_to_index)

A BigQuery row.

Values can be accessed by position (index), by key like a dict, or as properties.

Parameters

Name	Description
values	Sequence[object] The row values
field_to_index	Dict[str, int] A mapping from schema field names to indexes

Inheritance

builtins.object > Row

Methods

get

get(key: str, default: Optional[Any] = None)

Return a value for key, with a default value if it does not exist.

Parameters

Name	Description
key	str The key of the column to access
default	object The default value to use if the key does not exist. (Defaults to :data:None.)

Returns

Type

Description

object .. rubric:: Examples When the key exists, the value associated with it is returned. >>> Row(('a', 'b'), {'x': 0, 'y': 1}).get('x') 'a' The default value is :data:None when the key does not exist. >>> Row(('a', 'b'), {'x': 0, 'y': 1}).get('z') None The default value can be overrided with the default parameter. >>> Row(('a', 'b'), {'x': 0, 'y': 1}).get('z', '') '' >>> Row(('a', 'b'), {'x': 0, 'y': 1}).get('z', default = '') ''

The value associated with the provided key, or a default value.

items

items()

Return items as (key, value) pairs.

Returns

Type	Description
Iterable[Tuple[str, object]] .. rubric:: Examples >>> list(Row(('a', 'b'), {'x': 0, 'y': 1}).items()) [('x', 'a'), ('y', 'b')]	The (key, value) pairs representing this row.

keys

keys()

Return the keys for using a row as a dict.

Returns

Type	Description
Iterable[str] .. rubric:: Examples >>> list(Row(('a', 'b'), {'x': 0, 'y': 1}).keys()) ['x', 'y']	The keys corresponding to the columns of a row

values

values()

Return the values included in this row.

Returns

Type	Description
Sequence[object]	A sequence of length len(row).

__init__

__init__(values, field_to_index)

Initialize self. See help(type(self)) for accurate signature.

Row

Row(values, field_to_index)

A BigQuery row.

Values can be accessed by position (index), by key like a dict, or as properties.

Parameters

Name	Description
values	Sequence[object] The row values
field_to_index	Dict[str, int] A mapping from schema field names to indexes