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Commit16239c5

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Ensure interleaved_parts field is always initialized
This field was recently added indb632fb, however that commit missed oneplace where it should have initialized the new field to NULL. The missedlocation is where the PartitionBoundInfo is created for partition-wisejoin relations. Technically there could be interleaved partitions in apartition-wise join relation, but currently the only optimization we usethis field for only does so for base rels and other member rels. So justdocument that we don't populate this field for join rels.Reported-by: Amit LangoteAuthor: Amit Langote, David RowleyReviewed-by: Amit Langote, David RowleyDiscussion:https://postgr.es/m/CA+HiwqE76Rps24kwHsd2Cr82Ua07tJC9t9reG0c7ScX9n_xrEA@mail.gmail.com
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‎src/backend/partitioning/partbounds.c

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@@ -2564,6 +2564,9 @@ build_merged_partition_bounds(char strategy, List *merged_datums,
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merged_bounds->kind=NULL;
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}
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/* interleaved_parts is always NULL for join relations. */
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merged_bounds->interleaved_parts=NULL;
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Assert(list_length(merged_indexes)==ndatums);
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merged_bounds->nindexes=ndatums;
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merged_bounds->indexes= (int*)palloc(sizeof(int)*ndatums);

‎src/include/partitioning/partbounds.h

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@@ -72,7 +72,9 @@ struct RelOptInfo;/* avoid including pathnodes.h here */
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* contain any value that does not belong in another partition. This field
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* only serves as proof that a particular partition is not interleaved, not
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* proof that it is interleaved. When we're uncertain, we marked the
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* partition as interleaved.
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* partition as interleaved. The interleaved_parts field is only ever set for
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* RELOPT_BASEREL and RELOPT_OTHER_MEMBER_REL, it is always left NULL for join
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* relations.
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*/
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typedefstructPartitionBoundInfoData
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{

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