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Cleanup covering infrastructure

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- Explicitly forbids opclass, collation and indoptions (like DESC/ASC etc) for
  including columns. Throw an error if user points that.
- Truncated storage arrays for such attributes to store only key atrributes,
  added assertion checks.
- Do not check opfamily and collation for including columns in
  CompareIndexInfo()

Discussion: https://www.postgresql.org/message-id/5ee72852-3c4e-ee35-e2ed-c1d053d45c08@sigaev.ru
This commit is contained in:
Teodor Sigaev
2018-04-12 16:37:22 +03:00
parent 08ea7a2291
commit c266ed31a8
8 changed files with 90 additions and 39 deletions
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3
src/backend/parser/parse_utilcmd.c
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@@ -1588,9 +1588,6 @@ generateClonedIndexStmt(RangeVar *heapRel, Oid heapRelid, Relation source_idx,
/* Copy the original index column name */
iparam->indexcolname = pstrdup(NameStr(attr->attname));
/* Add the collation name, if non-default */
iparam->collation = get_collation(indcollation->values[keyno], keycoltype);
index->indexIncludingParams = lappend(index->indexIncludingParams, iparam);
}
/* Copy reloptions if any */