diff options
Diffstat (limited to 'src/backend/optimizer/util/clauses.c')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index 3dedee6d699..b19380e1b1e 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -2700,9 +2700,8 @@ eval_const_expressions_mutator(Node *node, * Since the underlying operator is "=", must negate * its result */ - Const *csimple = (Const *) simple; + Const *csimple = castNode(Const, simple); - Assert(IsA(csimple, Const)); csimple->constvalue = BoolGetDatum(!DatumGetBool(csimple->constvalue)); return (Node *) csimple; @@ -3091,12 +3090,10 @@ eval_const_expressions_mutator(Node *node, const_true_cond = false; foreach(arg, caseexpr->args) { - CaseWhen *oldcasewhen = (CaseWhen *) lfirst(arg); + CaseWhen *oldcasewhen = castNode(CaseWhen, lfirst(arg)); Node *casecond; Node *caseresult; - Assert(IsA(oldcasewhen, CaseWhen)); - /* Simplify this alternative's test condition */ casecond = eval_const_expressions_mutator((Node *) oldcasewhen->expr, context); @@ -4081,8 +4078,7 @@ fetch_function_defaults(HeapTuple func_tuple) if (isnull) elog(ERROR, "not enough default arguments"); str = TextDatumGetCString(proargdefaults); - defaults = (List *) stringToNode(str); - Assert(IsA(defaults, List)); + defaults = castNode(List, stringToNode(str)); pfree(str); return defaults; } |