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Fix for pg_restore_attribute_stats().

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Use RelationGetIndexExpressions() rather than rd_indexprs directly.

Author: Corey Huinker <corey.huinker@gmail.com>
This commit is contained in:
Jeff Davis
2025-02-20 22:31:22 -08:00
parent 41625ab8ea
commit b50a554cc8
1 changed files with 28 additions and 14 deletions
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30
src/backend/statistics/attribute_stats.c
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@ -480,12 +480,28 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
static Node * static Node *
get_attr_expr(Relation rel, int attnum) get_attr_expr(Relation rel, int attnum)
{ {
if ((rel->rd_rel->relkind == RELKIND_INDEX List *index_exprs;
|| (rel->rd_rel->relkind == RELKIND_PARTITIONED_INDEX)) ListCell *indexpr_item;
&& (rel->rd_indexprs != NIL)
&& (rel->rd_index->indkey.values[attnum - 1] == 0)) /* relation is not an index */
{ if (rel->rd_rel->relkind != RELKIND_INDEX &&
ListCell *indexpr_item = list_head(rel->rd_indexprs); rel->rd_rel->relkind != RELKIND_PARTITIONED_INDEX)
return NULL;
index_exprs = RelationGetIndexExpressions(rel);
/* index has no expressions to give */
if (index_exprs == NIL)
return NULL;
/*
* The index attnum points directly to a relation attnum, then it's no an
* expression attribute.
*/
if (rel->rd_index->indkey.values[attnum - 1] != 0)
return NULL;
indexpr_item = list_head(rel->rd_indexprs);
for (int i = 0; i < attnum - 1; i++) for (int i = 0; i < attnum - 1; i++)
if (rel->rd_index->indkey.values[i] == 0) if (rel->rd_index->indkey.values[i] == 0)
@ -496,8 +512,6 @@ get_attr_expr(Relation rel, int attnum)
return (Node *) lfirst(indexpr_item); return (Node *) lfirst(indexpr_item);
} }
return NULL;
}
/* /*
* Derive type information from the attribute. * Derive type information from the attribute.