From 625fa1fbdce1746285d00dd26c632845ab775a51 Mon Sep 17 00:00:00 2001 From: Egor Rogov Date: Sun, 8 Dec 2024 17:45:19 +0300 Subject: [PATCH] Doc and comment: parallel CREATE INDEX is allowed for BRIN Commit b4375717 introduced parallel index build for BRIN, but missed updating the documentation and code comment about it. --- doc/src/sgml/config.sgml | 2 +- doc/src/sgml/ref/create_index.sgml | 2 +- src/backend/catalog/index.c | 3 +-- 3 files changed, 3 insertions(+), 4 deletions(-) diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index e0c8325a39c..24bd504c213 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -2843,7 +2843,7 @@ include_dir 'conf.d' Sets the maximum number of parallel workers that can be started by a single utility command. Currently, the parallel utility commands that support the use of parallel workers are - CREATE INDEX only when building a B-tree index, + CREATE INDEX when building a B-tree or BRIN index, and VACUUM without FULL option. Parallel workers are taken from the pool of processes established by , limited diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml index 621bc0e253c..208389e8006 100644 --- a/doc/src/sgml/ref/create_index.sgml +++ b/doc/src/sgml/ref/create_index.sgml @@ -808,7 +808,7 @@ Indexes: leveraging multiple CPUs in order to process the table rows faster. This feature is known as parallel index build. For index methods that support building indexes - in parallel (currently, only B-tree), + in parallel (currently, B-tree and BRIN), maintenance_work_mem specifies the maximum amount of memory that can be used by each index build operation as a whole, regardless of how many worker processes were started. diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c index 1c3a9e06d37..fc1c2a8d026 100644 --- a/src/backend/catalog/index.c +++ b/src/backend/catalog/index.c @@ -2988,8 +2988,7 @@ index_build(Relation heapRelation, Assert(PointerIsValid(indexRelation->rd_indam->ambuildempty)); /* - * Determine worker process details for parallel CREATE INDEX. Currently, - * only btree has support for parallel builds. + * Determine worker process details for parallel CREATE INDEX. * * Note that planner considers parallel safety for us. */ -- 2.37.1 (Apple Git-137.1)