Hi, Alexey! On Sep 02, Alexey Botchkov wrote:

revision-id: 63ad6a9e1a33ddd5547767b2894e09ae66196f69 (mariadb-10.1.35-23-g63ad6a9) parent(s): 288212f489c8cd88c4cc98f8aecc3366c85a90be committer: Alexey Botchkov timestamp: 2018-09-02 09:24:33 +0400 message:

MDEV-15890 Strange error message if you try to FLUSH TABLES <view> after LOCK TABLES <view>.

Check if the argument of the FLUSH TABLE is a VIEW and handle it accordingly.

diff --git a/mysql-test/r/flush.result b/mysql-test/r/flush.result index b643510..2d7b81b 100644 --- a/mysql-test/r/flush.result +++ b/mysql-test/r/flush.result @@ -496,3 +496,27 @@ flush relay logs,relay logs; ERROR HY000: Incorrect usage of FLUSH and RELAY LOGS flush slave,slave; ERROR HY000: Incorrect usage of FLUSH and SLAVE +# +# MDEV-15890 Strange error message if you try to +# FLUSH TABLES <view> after LOCK TABLES <view>. +# +CREATE TABLE t1 (qty INT, price INT); +CREATE VIEW v1 AS SELECT qty, price, qty*price AS value FROM t1; +LOCK TABLES v1 READ; +FLUSH TABLES v1; +ERROR HY000: Table 't1' was locked with a READ lock and can't be updated +UNLOCK TABLES; +LOCK TABLES v1 WRITE; +FLUSH TABLES v1; +ERROR HY000: Table 't1' was locked with a READ lock and can't be updated

Why is that? Regards, Sergei Chief Architect MariaDB and security@mariadb.org