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path: root/src/backend/nodes/queryjumblefuncs.c
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-rw-r--r--src/backend/nodes/queryjumblefuncs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/backend/nodes/queryjumblefuncs.c b/src/backend/nodes/queryjumblefuncs.c
index 16084842a36..8b101fc336c 100644
--- a/src/backend/nodes/queryjumblefuncs.c
+++ b/src/backend/nodes/queryjumblefuncs.c
@@ -383,6 +383,11 @@ JumbleExpr(JumbleState *jstate, Node *node)
APP_JUMB(var->varno);
APP_JUMB(var->varattno);
APP_JUMB(var->varlevelsup);
+
+ /*
+ * We can omit varnullingrels, because it's fully determined
+ * by varno/varlevelsup plus the Var's query location.
+ */
}
break;
case T_Const: