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Replace pg_class.relhasexclusion with pg_index.indisexclusion.

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There isn't any need to track this state on a table-wide basis, and trying
to do so introduces undesirable semantic fuzziness.  Move the flag to
pg_index, where it clearly describes just a single index and can be
immutable after index creation.
This commit is contained in:
Tom Lane
2011-01-25 17:51:59 -05:00
parent 88452d5ba6
commit bd1ad1b019
8 changed files with 52 additions and 77 deletions
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4
src/backend/parser/parse_utilcmd.c
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@ -949,7 +949,7 @@ generateClonedIndexStmt(CreateStmtContext *cxt, Relation source_idx,
* certainly isn't. If it is or might be from a constraint, we have to
* fetch the pg_constraint record.
*/
if (index->primary || index->unique || idxrelrec->relhasexclusion)
if (index->primary || index->unique || idxrec->indisexclusion)
{
Oid constraintId = get_index_constraint(source_relid);
@ -970,7 +970,7 @@ generateClonedIndexStmt(CreateStmtContext *cxt, Relation source_idx,
index->initdeferred = conrec->condeferred;
/* If it's an exclusion constraint, we need the operator names */
if (idxrelrec->relhasexclusion)
if (idxrec->indisexclusion)
{
Datum *elems;
int nElems;