From 6546f6d4d8b62168f989dc8decbdf32e3038dc4d Mon Sep 17 00:00:00 2001 From: TomShawn <41534398+TomShawn@users.noreply.github.com> Date: Fri, 16 Apr 2021 11:33:53 +0800 Subject: [PATCH] cherry pick #5352 to release-4.0 Signed-off-by: ti-srebot --- error-codes.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/error-codes.md b/error-codes.md index cfcfd4c57e1a2..02b108b8f1b6a 100644 --- a/error-codes.md +++ b/error-codes.md @@ -98,7 +98,7 @@ TiDB is compatible with the error codes in MySQL, and in most cases returns the * Error Number: 8027 - The table schema version is outdated. TiDB uses the online schema change algorithm to execute DDL statements. When the table schema version of the TiDB server is earlier than that of the entire system, this error is returned if you execute a SQL statement. + The table schema version is outdated. TiDB applies schema changes online. When the table schema version of the TiDB server is earlier than that of the entire system, this error is returned if you execute a SQL statement. When this error occurs, check the network between the TiDB server and the PD Leader.