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Add ExecCopySlotMinimalTupleExtra().

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Allows an "extra" argument that allocates extra memory at the end of
the MinimalTuple. This is important for callers that need to store
additional data, but do not want to perform an additional allocation.

Suggested-by: David Rowley <dgrowleyml@gmail.com>
Discussion: https://postgr.es/m/CAApHDvppeqw2pNM-+ahBOJwq2QmC0hOAGsmCpC89QVmEoOvsdg@mail.gmail.com
This commit is contained in:
Jeff Davis
2025-03-24 22:05:53 -07:00
parent 4d143509cb
commit a0942f441e
7 changed files with 61 additions and 27 deletions
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2
src/backend/executor/nodeGatherMerge.c
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@@ -735,7 +735,7 @@ gm_readnext_tuple(GatherMergeState *gm_state, int nreader, bool nowait,
* Since we'll be buffering these across multiple calls, we need to make a
* copy.
*/
return tup ? heap_copy_minimal_tuple(tup) : NULL;
return tup ? heap_copy_minimal_tuple(tup, 0) : NULL;
}
/*