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Use the new castNode() macro in a number of places.

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This is far from a pervasive conversion, but it's a good starting
point.

Author: Peter Eisentraut, with some minor changes by me
Reviewed-By: Tom Lane
Discussion: https://postgr.es/m/c5d387d9-3440-f5e0-f9d4-71d53b9fbe52@2ndquadrant.com
This commit is contained in:
Andres Freund
2017-01-26 16:47:03 -08:00
parent 5bcab11142
commit 9ba8a9ce45
32 changed files with 77 additions and 131 deletions
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15
src/backend/executor/nodeSubplan.c
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@ -808,8 +808,7 @@ ExecInitSubPlan(SubPlan *subplan, PlanState *parent)
else if (and_clause((Node *) sstate->testexpr->expr))
{
/* multiple combining operators */
Assert(IsA(sstate->testexpr, BoolExprState));
oplist = ((BoolExprState *) sstate->testexpr)->args;
oplist = castNode(BoolExprState, sstate->testexpr)->args;
}
else
{
@ -829,8 +828,8 @@ ExecInitSubPlan(SubPlan *subplan, PlanState *parent)
i = 1;
foreach(l, oplist)
{
FuncExprState *fstate = (FuncExprState *) lfirst(l);
OpExpr *opexpr = (OpExpr *) fstate->xprstate.expr;
FuncExprState *fstate = castNode(FuncExprState, lfirst(l));
OpExpr *opexpr = castNode(OpExpr, fstate->xprstate.expr);
ExprState *exstate;
Expr *expr;
TargetEntry *tle;
@ -839,8 +838,6 @@ ExecInitSubPlan(SubPlan *subplan, PlanState *parent)
Oid left_hashfn;
Oid right_hashfn;
Assert(IsA(fstate, FuncExprState));
Assert(IsA(opexpr, OpExpr));
Assert(list_length(fstate->args) == 2);
/* Process lefthand argument */
@ -1218,10 +1215,8 @@ ExecAlternativeSubPlan(AlternativeSubPlanState *node,
bool *isNull)
{
/* Just pass control to the active subplan */
SubPlanState *activesp = (SubPlanState *) list_nth(node->subplans,
node->active);
Assert(IsA(activesp, SubPlanState));
SubPlanState *activesp = castNode(SubPlanState,
list_nth(node->subplans, node->active));
return ExecSubPlan(activesp, econtext, isNull);
}