diff options
Diffstat (limited to 'src/backend/commands/createas.c')
| -rw-r--r-- | src/backend/commands/createas.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/src/backend/commands/createas.c b/src/backend/commands/createas.c index dce882012e6..09828517153 100644 --- a/src/backend/commands/createas.c +++ b/src/backend/commands/createas.c @@ -299,14 +299,8 @@ ExecCreateTableAs(ParseState *pstate, CreateTableAsStmt *stmt, * rewriter. We do not do AcquireRewriteLocks: we assume the query * either came straight from the parser, or suitable locks were * acquired by plancache.c. - * - * Because the rewriter and planner tend to scribble on the input, we - * make a preliminary copy of the source querytree. This prevents - * problems in the case that CTAS is in a portal or plpgsql function - * and is executed repeatedly. (See also the same hack in EXPLAIN and - * PREPARE.) */ - rewritten = QueryRewrite(copyObject(query)); + rewritten = QueryRewrite(query); /* SELECT should never rewrite to more or less than one SELECT query */ if (list_length(rewritten) != 1) |