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Fix comment.

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This comment was copy-pasted from nodeAppend.c to nodeMergeAppend.c, but
while committing 5220bb7533, I modified wrong copy of it.

Spotted by David Rowley
This commit is contained in:
Heikki Linnakangas 2018-07-19 15:39:06 +03:00
parent 5220bb7533
commit 405cb356d6
2 changed files with 2 additions and 2 deletions
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2
src/backend/executor/nodeAppend.c
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@ -151,7 +151,7 @@ ExecInitAppend(Append *node, EState *estate, int eflags)
/*
* The case where no subplans survive pruning must be handled
* specially. The problem here is that code in explain.c requires
* a MergeAppend to have at least one subplan in order for it to
* an Append to have at least one subplan in order for it to
* properly determine the Vars in that subplan's targetlist. We
* sidestep this issue by just initializing the first subplan and
* setting as_whichplan to NO_MATCHING_SUBPLANS to indicate that

2
src/backend/executor/nodeMergeAppend.c
View File

@ -111,7 +111,7 @@ ExecInitMergeAppend(MergeAppend *node, EState *estate, int eflags)
/*
* The case where no subplans survive pruning must be handled
* specially. The problem here is that code in explain.c requires
* an Append to have at least one subplan in order for it to
* a MergeAppend to have at least one subplan in order for it to
* properly determine the Vars in that subplan's targetlist. We
* sidestep this issue by just initializing the first subplan and
* setting ms_noopscan to true to indicate that we don't really