Module keyset (3.57.0)

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

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Classes

KeyRange

KeySet

Module keyset (3.57.0)