11diff --git a/src/backend/executor/execProcnode.c b/src/backend/executor/execProcnode.c
2- index 03c2feb..b8675d2 100644
2+ index 03c2feb..a33e645c 100644
33--- a/src/backend/executor/execProcnode.c
44+++ b/src/backend/executor/execProcnode.c
55@@ -115,7 +115,6 @@
@@ -20,22 +20,29 @@ index 03c2feb..b8675d2 100644
2020
2121 /* ----------------------------------------------------------------
2222 *ExecProcNode
23- @@ -373,6 +375,9 @@ ExecProcNode(PlanState *node)
24- if (node->chgParam != NULL) /* something changed */
23+ @@ -374,7 +376,12 @@ ExecProcNode(PlanState *node)
2524 ExecReScan(node);/* let ReScan handle this */
2625
27- + if (preExecProcNode_hook)
28- + preExecProcNode_hook(node);
29- +
3026 if (node->instrument)
27+ + {
28+ + if (preExecProcNode_hook)
29+ + preExecProcNode_hook(node);
30+ +
3131 InstrStartNode(node->instrument);
32+ + }
33+
34+ switch (nodeTag(node))
35+ {
36+ @@ -527,8 +534,13 @@ ExecProcNode(PlanState *node)
37+ }
3238
33- @@ -529,6 +534,9 @@ ExecProcNode(PlanState *node)
3439 if (node->instrument)
40+ + {
3541 InstrStopNode(node->instrument, TupIsNull(result) ? 0.0 : 1.0);
3642
37- + if (postExecProcNode_hook)
38- + postExecProcNode_hook(node, result);
43+ + if (postExecProcNode_hook)
44+ + postExecProcNode_hook(node, result);
45+ + }
3946+
4047 return result;
4148 }
