From d6df83ed6fe5f7966bbfa08862569fe8cd5ce60e Mon Sep 17 00:00:00 2001 From: shihao zhong Date: Tue, 3 Nov 2026 21:22:14 -0500 Subject: [PATCH 1/3] Count partitions pending detach when validating a partitioned index Otherwise the parent index could be marked valid while another partition had no index, letting duplicate keys in. Backpatch-through: 15 --- src/backend/commands/tablecmds.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index aa89c9a4637..45171356ad1 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -23259,8 +23259,11 @@ validatePartitionedIndex(Relation partedIdx, Relation partedTbl) /* * If we found as many inherited indexes as the partitioned table has * partitions, we're good; update pg_index to set indisvalid. + * + * Partitions pending detach must be counted too, because their indexes + * remain attached to this index until the detach is finalized. */ - if (tuples == RelationGetPartitionDesc(partedTbl, true)->nparts) + if (tuples == RelationGetPartitionDesc(partedTbl, false)->nparts) { Relation idxRel; HeapTuple indTup; -- 2.37.1 (Apple Git-137.1)