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Apply pg_get_serial_sequence() to identity column sequences as well

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Bug: #14813
This commit is contained in:
Peter Eisentraut
2017-09-15 14:04:51 -04:00
parent f0e60ee4bc
commit 3012061b86
6 changed files with 44 additions and 20 deletions
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11
src/backend/utils/adt/ruleutils.c
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@ -2322,7 +2322,7 @@ pg_get_userbyid(PG_FUNCTION_ARGS)
/*
* pg_get_serial_sequence
* Get the name of the sequence used by a serial column,
* Get the name of the sequence used by an identity or serial column,
* formatted suitably for passing to setval, nextval or currval.
* First parameter is not treated as double-quoted, second parameter
* is --- see documentation for reason.
@ -2380,13 +2380,14 @@ pg_get_serial_sequence(PG_FUNCTION_ARGS)
Form_pg_depend deprec = (Form_pg_depend) GETSTRUCT(tup);
/*
* We assume any auto dependency of a sequence on a column must be
* what we are looking for. (We need the relkind test because indexes
* can also have auto dependencies on columns.)
* Look for an auto dependency (serial column) or internal dependency
* (identity column) of a sequence on a column. (We need the relkind
* test because indexes can also have auto dependencies on columns.)
*/
if (deprec->classid == RelationRelationId &&
deprec->objsubid == 0 &&
deprec->deptype == DEPENDENCY_AUTO &&
(deprec->deptype == DEPENDENCY_AUTO ||
deprec->deptype == DEPENDENCY_INTERNAL) &&
get_rel_relkind(deprec->objid) == RELKIND_SEQUENCE)
{
sequenceId = deprec->objid;