diff options
| -rw-r--r-- | src/backend/parser/analyze.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c index 385f4816384..a676bf11025 100644 --- a/src/backend/parser/analyze.c +++ b/src/backend/parser/analyze.c @@ -20,7 +20,7 @@ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.365 2007/06/19 21:24:48 neilc Exp $ + * $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.366 2007/06/20 18:21:00 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -956,6 +956,7 @@ transformColumnDefinition(ParseState *pstate, CreateStmtContext *cxt, { bool is_serial; bool saw_nullable; + bool saw_default; Constraint *constraint; ListCell *clist; @@ -1086,6 +1087,7 @@ transformColumnDefinition(ParseState *pstate, CreateStmtContext *cxt, transformConstraintAttrs(column->constraints); saw_nullable = false; + saw_default = false; foreach(clist, column->constraints) { @@ -1130,13 +1132,15 @@ transformColumnDefinition(ParseState *pstate, CreateStmtContext *cxt, break; case CONSTR_DEFAULT: - if (column->raw_default != NULL) + if (saw_default) ereport(ERROR, (errcode(ERRCODE_SYNTAX_ERROR), errmsg("multiple default values specified for column \"%s\" of table \"%s\"", column->colname, cxt->relation->relname))); + /* Note: DEFAULT NULL maps to constraint->raw_expr == NULL */ column->raw_default = constraint->raw_expr; Assert(constraint->cooked_expr == NULL); + saw_default = true; break; case CONSTR_PRIMARY: |