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.
Prior to MySQL 8.0.21, the statement is logged as two transactions. As of MySQL 8.0.21, on storage engines that support atomic DDL, it is logged as one transaction. For more information, see Section 13.1.1, “Atomic Data Definition Statement Support”.
If the CREATE TABLE ... SELECT
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 8.0 ignores the statement completely; nothing is inserted or logged.
MySQL 8.0 does not allow a CREATE TABLE ... SELECT
statement to make any changes in tables other than the table that is created by the statement.