diff options
Diffstat (limited to 'src/backend/rewrite/rewriteHandler.c')
| -rw-r--r-- | src/backend/rewrite/rewriteHandler.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/src/backend/rewrite/rewriteHandler.c b/src/backend/rewrite/rewriteHandler.c index d3e44fb1350..20bbb374845 100644 --- a/src/backend/rewrite/rewriteHandler.c +++ b/src/backend/rewrite/rewriteHandler.c @@ -2320,8 +2320,7 @@ view_cols_are_auto_updatable(Query *viewquery, * there should be a single base relation. */ Assert(list_length(viewquery->jointree->fromlist) == 1); - rtr = (RangeTblRef *) linitial(viewquery->jointree->fromlist); - Assert(IsA(rtr, RangeTblRef)); + rtr = castNode(RangeTblRef, linitial(viewquery->jointree->fromlist)); /* Initialize the optional return values */ if (updatable_cols != NULL) @@ -2578,8 +2577,7 @@ adjust_view_column_set(Bitmapset *cols, List *targetlist) if (tle->resjunk) continue; - var = (Var *) tle->expr; - Assert(IsA(var, Var)); + var = castNode(Var, tle->expr); result = bms_add_member(result, var->varattno - FirstLowInvalidHeapAttributeNumber); } @@ -2761,8 +2759,7 @@ rewriteTargetView(Query *parsetree, Relation view) * view contains a single base relation. */ Assert(list_length(viewquery->jointree->fromlist) == 1); - rtr = (RangeTblRef *) linitial(viewquery->jointree->fromlist); - Assert(IsA(rtr, RangeTblRef)); + rtr = castNode(RangeTblRef, linitial(viewquery->jointree->fromlist)); base_rt_index = rtr->rtindex; base_rte = rt_fetch(base_rt_index, viewquery->rtable); @@ -3119,11 +3116,9 @@ RewriteQuery(Query *parsetree, List *rewrite_events) foreach(lc1, parsetree->cteList) { CommonTableExpr *cte = (CommonTableExpr *) lfirst(lc1); - Query *ctequery = (Query *) cte->ctequery; + Query *ctequery = castNode(Query, cte->ctequery); List *newstuff; - Assert(IsA(ctequery, Query)); - if (ctequery->commandType == CMD_SELECT) continue; @@ -3137,8 +3132,7 @@ RewriteQuery(Query *parsetree, List *rewrite_events) if (list_length(newstuff) == 1) { /* Push the single Query back into the CTE node */ - ctequery = (Query *) linitial(newstuff); - Assert(IsA(ctequery, Query)); + ctequery = castNode(Query, linitial(newstuff)); /* WITH queries should never be canSetTag */ Assert(!ctequery->canSetTag); cte->ctequery = (Node *) ctequery; |