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connection node_1;
CREATE USER 'user1';
CREATE
DEFINER = 'user1'
FUNCTION f1 (param INTEGER)
RETURNS VARCHAR(200)
COMMENT 'f1_comment'
LANGUAGE SQL
NOT DETERMINISTIC
MODIFIES SQL DATA
SQL SECURITY DEFINER
RETURN 'abc';
GRANT EXECUTE ON FUNCTION f1 TO user1;
CREATE
DEFINER = CURRENT_USER
FUNCTION f2 (param VARCHAR(100))
RETURNS INTEGER
DETERMINISTIC
NO SQL
SQL SECURITY INVOKER
RETURN 123;
connection node_1;
SHOW CREATE FUNCTION f1;
Function sql_mode Create Function character_set_client collation_connection Database Collation
f1 NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`user1`@`%` FUNCTION `f1`(param INTEGER) RETURNS varchar(200) CHARSET latin1
MODIFIES SQL DATA
COMMENT 'f1_comment'
RETURN 'abc' latin1 latin1_swedish_ci latin1_swedish_ci
connection node_2;
SELECT 1 FROM DUAL;
1
1
SHOW CREATE FUNCTION f1;
Function sql_mode Create Function character_set_client collation_connection Database Collation
f1 NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`user1`@`%` FUNCTION `f1`(param INTEGER) RETURNS varchar(200) CHARSET latin1
MODIFIES SQL DATA
COMMENT 'f1_comment'
RETURN 'abc' latin1 latin1_swedish_ci latin1_swedish_ci
connection node_1;
SHOW CREATE FUNCTION f2;
Function sql_mode Create Function character_set_client collation_connection Database Collation
f2 NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`root`@`localhost` FUNCTION `f2`(param VARCHAR(100)) RETURNS int(11)
NO SQL
DETERMINISTIC
SQL SECURITY INVOKER
RETURN 123 latin1 latin1_swedish_ci latin1_swedish_ci
connection node_2;
SHOW CREATE FUNCTION f2;
Function sql_mode Create Function character_set_client collation_connection Database Collation
f2 NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`root`@`localhost` FUNCTION `f2`(param VARCHAR(100)) RETURNS int(11)
NO SQL
DETERMINISTIC
SQL SECURITY INVOKER
RETURN 123 latin1 latin1_swedish_ci latin1_swedish_ci
SELECT f1(1) = 'abc';
f1(1) = 'abc'
1
SELECT f2('abc') = 123;
f2('abc') = 123
1
connection node_1;
DROP FUNCTION f1;
DROP FUNCTION f2;
DROP USER 'user1';
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