diff options
Diffstat (limited to 'src/backend/parser/analyze.c')
| -rw-r--r-- | src/backend/parser/analyze.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c index c338e0f2281..8ea47922b18 100644 --- a/src/backend/parser/analyze.c +++ b/src/backend/parser/analyze.c @@ -6,7 +6,7 @@ * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.290.2.1 2003/11/05 22:00:52 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.290.2.2 2004/11/17 00:18:26 neilc Exp $ * *------------------------------------------------------------------------- */ @@ -440,6 +440,18 @@ transformStmt(ParseState *pstate, Node *parseTree, result->querySource = QSRC_ORIGINAL; result->canSetTag = true; + /* + * Check that we did not produce too many resnos; at the very + * least we cannot allow more than 2^16, since that would exceed + * the range of a AttrNumber. It seems safest to use + * MaxTupleAttributeNumber. + */ + if (pstate->p_next_resno - 1 > MaxTupleAttributeNumber) + ereport(ERROR, + (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("target lists can have at most %d entries", + MaxTupleAttributeNumber))); + return result; } |