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Expand run-time partition pruning to work with MergeAppend
This expands the support for the run-time partition pruning which was added
for Append in 499be013de
to also allow unneeded subnodes of a MergeAppend
to be removed.
Author: David Rowley
Discussion: https://www.postgresql.org/message-id/CAKJS1f_F_V8D7Wu-HVdnH7zCUxhoGK8XhLLtd%3DCu85qDZzXrgg%40mail.gmail.com
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@ -273,6 +273,7 @@ _copyMergeAppend(const MergeAppend *from)
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COPY_POINTER_FIELD(sortOperators, from->numCols * sizeof(Oid));
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COPY_POINTER_FIELD(collations, from->numCols * sizeof(Oid));
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COPY_POINTER_FIELD(nullsFirst, from->numCols * sizeof(bool));
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COPY_NODE_FIELD(part_prune_infos);
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return newnode;
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}
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