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BEGIN

This statement starts a new transaction inside of TiDB. It is similar to the statements START TRANSACTION and SET autocommit=0.

In the absence of a BEGIN statement, every statement will by default autocommit in its own transaction. This behavior ensures MySQL compatibility.

Synopsis

BeginTransactionStmt:

BeginTransactionStmt

Examples

mysql> CREATE TABLE t1 (a int NOT NULL PRIMARY KEY); Query OK, 0 rows affected (0.12 sec) mysql> BEGIN; Query OK, 0 rows affected (0.00 sec) mysql> INSERT INTO t1 VALUES (1); Query OK, 1 row affected (0.00 sec) mysql> COMMIT; Query OK, 0 rows affected (0.01 sec)

MySQL compatibility

This statement is understood to be fully compatible with MySQL. Any compatibility differences should be reported via an issue on GitHub.

See also

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