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ALTER TABLE ... ALTER CONSTRAINT for FKs

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Allow constraint attributes to be altered,
so the default setting of NOT DEFERRABLE
can be altered to DEFERRABLE and back.

Review by Abhijit Menon-Sen
This commit is contained in:
Simon Riggs
2013-06-29 00:27:30 +01:00
parent 2f74e4ec50
commit f177cbfe67
6 changed files with 205 additions and 0 deletions
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src/include/nodes/parsenodes.h
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@@ -1209,6 +1209,7 @@ typedef enum AlterTableType
AT_AddConstraint, /* add constraint */
AT_AddConstraintRecurse, /* internal to commands/tablecmds.c */
AT_ReAddConstraint, /* internal to commands/tablecmds.c */
AT_AlterConstraint, /* alter constraint */
AT_ValidateConstraint, /* validate constraint */
AT_ValidateConstraintRecurse, /* internal to commands/tablecmds.c */
AT_ProcessedConstraint, /* pre-processed add constraint (local in