From a15e8ce7b647ccc4580bf00374c33e5ab793f3e3 Mon Sep 17 00:00:00 2001 From: David Rowley Date: Thu, 6 Jun 2019 12:37:04 +1200 Subject: [PATCH] Docs: concurrent builds of partitioned indexes are not supported Document that CREATE INDEX CONCURRENTLY is not currently supported for indexes on partitioned tables. Discussion: https://postgr.es/m/CAKJS1f_CErd2z9L21Q8OGLD4TgH7yw1z9MAtHTSO13sXVG-yow@mail.gmail.com Backpatch-through: 11 --- doc/src/sgml/ref/create_index.sgml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml index ad619cdcfe..3a4e71ca1c 100644 --- a/doc/src/sgml/ref/create_index.sgml +++ b/doc/src/sgml/ref/create_index.sgml @@ -586,6 +586,16 @@ Indexes: within a transaction block, but CREATE INDEX CONCURRENTLY cannot. + + + Concurrent builds for indexes on partitioned tables are currently not + supported. However, you may concurrently build the index on each + partition individually and then finally create the partitioned index + non-concurrently in order to reduce the time where writes to the + partitioned table will be locked out. In this case, building the + partitioned index is a metadata only operation. + +