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Wrap representation of Spanner keys / ranges.
Classes
KeyRange
KeyRange
(
start_open
=
None
,
start_closed
=
None
,
end_open
=
None
,
end_closed
=
None
)
Identify range of table rows via start / end points.
Specify either a start_open
or start_closed
key, or defaults to start_closed = []
. Specify either an end_open
or end_closed
key,
or defaults to end_closed = []
. However, at least one key has to be
specified. If no keys are specified, ValueError is raised.
Parameters
Name
Description
start_open
list of scalars
keys identifying start of range (this key excluded)
start_closed
list of scalars
keys identifying start of range (this key included)
end_open
list of scalars
keys identifying end of range (this key excluded)
end_closed
list of scalars
keys identifying end of range (this key included)
Exceptions
Type
Description
ValueError
if no keys are specified
KeySet
KeySet
(
keys
=
(),
ranges
=
(),
all_
=
False
)
Identify table rows via keys / ranges.
Parameters
Name
Description
keys
list of list of scalars
keys identifying individual rows within a table.
ranges
list of KeyRange
ranges identifying rows within a table.
all_
boolean
if True, identify all rows within a table
