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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2009-07-29 20:56:21 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2009-07-29 20:56:21 +0000 |
| commit | 25d9bf2e3e66ee2e546c5c523d148ecab6ee1dcc (patch) | |
| tree | b0dee0f1d6111fd6658d432ec30e5ddb88adc02f /src/backend/tcop/utility.c | |
| parent | 850490579318ff52097eec92ce535357dd0c7a3a (diff) | |
| download | postgresql-25d9bf2e3e66ee2e546c5c523d148ecab6ee1dcc.tar.gz postgresql-25d9bf2e3e66ee2e546c5c523d148ecab6ee1dcc.zip | |
Support deferrable uniqueness constraints.
The current implementation fires an AFTER ROW trigger for each tuple that
looks like it might be non-unique according to the index contents at the
time of insertion. This works well as long as there aren't many conflicts,
but won't scale to massive unique-key reassignments. Improving that case
is a TODO item.
Dean Rasheed
Diffstat (limited to 'src/backend/tcop/utility.c')
| -rw-r--r-- | src/backend/tcop/utility.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c index 126a079f3e4..c6fefccfc6f 100644 --- a/src/backend/tcop/utility.c +++ b/src/backend/tcop/utility.c @@ -10,7 +10,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.312 2009/07/28 02:56:30 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.313 2009/07/29 20:56:19 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -795,6 +795,8 @@ ProcessUtility(Node *parsetree, stmt->unique, stmt->primary, stmt->isconstraint, + stmt->deferrable, + stmt->initdeferred, false, /* is_alter_table */ true, /* check_rights */ false, /* skip_build */ @@ -929,7 +931,7 @@ ProcessUtility(Node *parsetree, case T_CreateTrigStmt: CreateTrigger((CreateTrigStmt *) parsetree, - InvalidOid, InvalidOid, true); + InvalidOid, InvalidOid, NULL, true); break; case T_DropPropertyStmt: |