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Make more use of castNode()

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This commit is contained in:
Peter Eisentraut
2017-02-21 11:33:07 -05:00
parent 4e5ce3c1ae
commit 38d103763d
37 changed files with 121 additions and 222 deletions
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13
src/backend/parser/parse_collate.c
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@ -514,8 +514,7 @@ assign_collations_walker(Node *node, assign_collations_context *context)
if (qtree->targetList == NIL)
return false;
tent = (TargetEntry *) linitial(qtree->targetList);
Assert(IsA(tent, TargetEntry));
tent = castNode(TargetEntry, linitial(qtree->targetList));
if (tent->resjunk)
return false;
@ -650,9 +649,7 @@ assign_collations_walker(Node *node, assign_collations_context *context)
foreach(lc, expr->args)
{
CaseWhen *when = (CaseWhen *) lfirst(lc);
Assert(IsA(when, CaseWhen));
CaseWhen *when = castNode(CaseWhen, lfirst(lc));
/*
* The condition expressions mustn't affect
@ -868,9 +865,8 @@ assign_aggregate_collations(Aggref *aggref,
/* Process aggregated args, holding resjunk ones at arm's length */
foreach(lc, aggref->args)
{
TargetEntry *tle = (TargetEntry *) lfirst(lc);
TargetEntry *tle = castNode(TargetEntry, lfirst(lc));
Assert(IsA(tle, TargetEntry));
if (tle->resjunk)
assign_expr_collations(loccontext->pstate, (Node *) tle);
else
@ -913,9 +909,8 @@ assign_ordered_set_collations(Aggref *aggref,
/* Process aggregated args appropriately */
foreach(lc, aggref->args)
{
TargetEntry *tle = (TargetEntry *) lfirst(lc);
TargetEntry *tle = castNode(TargetEntry, lfirst(lc));
Assert(IsA(tle, TargetEntry));
if (merge_sort_collations)
(void) assign_collations_walker((Node *) tle, loccontext);
else