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LockRow

LockRow
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Name

LockRow — Sets lock/authorization for a row in a table.

Synopsis

integer LockRow ( text a_schema_name , text a_table_name , text a_row_key , text an_auth_token , timestamp expire_dt ) ;

integer LockRow ( text a_table_name , text a_row_key , text an_auth_token , timestamp expire_dt ) ;

integer LockRow ( text a_table_name , text a_row_key , text an_auth_token ) ;

Description

Sets lock/authorization for a specific row in a table. an_auth_token is a text value. expire_dt is a timestamp which defaults to now() + 1 hour . Returns 1 if lock has been assigned, 0 otherwise (i.e. row is already locked by another auth.)

Availability: 1.1.3

Examples 

SELECT LockRow('public', 'towns', '2', 'joey');
LockRow
-------
1

--Joey has already locked the record and Priscilla is out of luck
SELECT LockRow('public', 'towns', '2', 'priscilla');
LockRow
-------
0

See Also

UnlockRows

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