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Fix rule-detection code for MERGE.

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Use the relation's rd_rules structure to test whether it has rules,
rather than the relhasrules flag, which might be out of date.

Reviewed by Tom Lane.

Backpatch to 15, where MERGE was added.

Discussion: https://postgr.es/m/CAEZATCVkBVZABfw71sYvkcPf6tarcOFST5Bc6AOi-LFT9YdccQ%40mail.gmail.com
This commit is contained in:
Dean Rasheed
2022-11-25 13:29:51 +00:00
parent fc02019c09
commit 04d61bfe64
1 changed files with 2 additions and 1 deletions
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3
src/backend/parser/parse_merge.c
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@ -182,7 +182,8 @@ transformMergeStmt(ParseState *pstate, MergeStmt *stmt)
errmsg("cannot execute MERGE on relation \"%s\"", errmsg("cannot execute MERGE on relation \"%s\"",
RelationGetRelationName(pstate->p_target_relation)), RelationGetRelationName(pstate->p_target_relation)),
errdetail_relkind_not_supported(pstate->p_target_relation->rd_rel->relkind))); errdetail_relkind_not_supported(pstate->p_target_relation->rd_rel->relkind)));
if (pstate->p_target_relation->rd_rel->relhasrules) if (pstate->p_target_relation->rd_rules != NULL &&
pstate->p_target_relation->rd_rules->numLocks > 0)
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot execute MERGE on relation \"%s\"", errmsg("cannot execute MERGE on relation \"%s\"",