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CREATE FUNCTION f_MyFun1(Param1 TEXT)
RETURNS INT
BEGIN
IF (Param1 LIKE 'ABC') THEN
RETURN 1;
END IF;
IF (Param1 LIKE 'DEF') THEN
RETURN 2;
ELSE
RETURN 3;
END IF;
END
mysql> show variables like '%func%';
+-----------------------------------------+-------+
| Variable_name | Value |
+-----------------------------------------+-------+
| log_bin_trust_function_creators | ON |
+-----------------------------------------+-------+
1 row in set (0.02 sec)
二、如果Value处值为OFF,则需将其开启。
mysql> set global log_bin_trust_function_creators=1;