From 97728e107a5262266a2f6ed61bae9639a1717831 Mon Sep 17 00:00:00 2001 From: Sergei Golubchik Date: Fri, 22 Apr 2016 08:16:06 +0200 Subject: [PATCH] comment clarify Alter_inplace_info::ALTER_PARTITIONED --- sql/handler.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sql/handler.h b/sql/handler.h index 8dc05a1d9df..6ec9769036c 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -1822,7 +1822,10 @@ public: // Virtual columns changed static const HA_ALTER_FLAGS ALTER_COLUMN_VCOL = 1L << 30; - // ALTER TABLE for a partitioned table + /** + ALTER TABLE for a partitioned table. The engine needs to commit + online alter of all partitions atomically (using group_commit_ctx) + */ static const HA_ALTER_FLAGS ALTER_PARTITIONED = 1L << 31; /**