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Teach planstate_tree_walker about custom scans.

author Robert Haas <rhaas@postgresql.org>

2015年9月23日 01:42:00 +0000 (21:42 -0400)

committer Robert Haas <rhaas@postgresql.org>

2015年9月23日 01:42:00 +0000 (21:42 -0400)

This logic was missing from ExplainPreScanNode, from which I derived
planstate_tree_walker. But it shouldn't be missing, especially not
from a generic walker function, so add it.

KaiGai Kohei

src/backend/nodes/nodeFuncs.c patch | blob | blame | history

diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c

index 4a2447409a9e7c84678e14746c65fdf45eedd036..a11cb9ff4d10fe657800299711301f93b7c60bf9 100644 (file)

--- a/src/backend/nodes/nodeFuncs.c

+++ b/src/backend/nodes/nodeFuncs.c

@@ -3428,6 +3428,7 @@ bool

planstate_tree_walker(PlanState *planstate, bool (*walker) (), void *context)

{

Plan *plan = planstate->plan;

+ ListCell *lc;

/* initPlan-s */

if (planstate_walk_subplans(planstate->initPlan, walker, context))

@@ -3484,6 +3485,13 @@ planstate_tree_walker(PlanState *planstate, bool (*walker) (), void *context)

if (walker(((SubqueryScanState *) planstate)->subplan, context))

return true;

break;

+ case T_CustomScan:

+ foreach (lc, ((CustomScanState *) planstate)->custom_ps)

+ {

+ if (walker((PlanState *) lfirst(lc), context))

+ return true;

+ }

+ break;

default:

break;

}

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