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MySQL 5.6 Reference Manual  /  ...  /  Replication of CREATE TABLE ... SELECT Statements

17.4.1.7 Replication of CREATE TABLE ... SELECT Statements

MySQL applies these rules when CREATE TABLE ... SELECT statements are replicated:

  • CREATE TABLE ... SELECT always performs an implicit commit (Section 13.3.3, “Statements That Cause an Implicit Commit”).

  • If the destination table does not exist, logging occurs as follows. It does not matter whether IF NOT EXISTS is present.

    • STATEMENT or MIXED format: The statement is logged as written.

    • ROW format: The statement is logged as a CREATE TABLE statement followed by a series of insert-row events.

  • If the statement fails, nothing is logged. This includes the case that the destination table exists and IF NOT EXISTS is not given.

  • If the destination table exists and IF NOT EXISTS is given, MySQL ignores the statement completely; nothing is inserted or logged.

MySQL 5.6 does not allow a CREATE TABLE ... SELECT statement to make any changes in tables other than the table that is created by the statement. Some older versions of MySQL permitted these statements to do so; this means that, when using replication between a MySQL 5.6 or later replica and a source running a previous version of MySQL, a CREATE TABLE ... SELECT statement causing changes in other tables on the source fails on the replica, causing replication to stop. To prevent this from happening, you should use row-based replication, rewrite the offending statement before running it on the source, or upgrade the source to MySQL 5.6. (If you choose to upgrade the source, keep in mind that such a CREATE TABLE ... SELECT statement fails following the upgrade unless it is rewritten to remove any side effects on other tables.)