#### Setup tables ####
CREATE TABLE t0 (a CHAR(200));
CREATE TABLE t1 (a CHAR(200));
CREATE TABLE t2 (a CHAR(200));
CREATE TABLE t3 (a CHAR(200));
CREATE TABLE ta0 (a CHAR(200));
CREATE TABLE ta1 (a CHAR(200));
CREATE TABLE ta2 (a CHAR(200));
CREATE TABLE ta3 (a CHAR(200));
CREATE TABLE autoinc_table (a INT PRIMARY KEY AUTO_INCREMENT);
CREATE TABLE data_table (a CHAR(200));
INSERT INTO data_table VALUES ('foo');
CREATE TABLE trigger_table_1 (a INT);
CREATE TABLE trigger_table_2 (a INT);
CREATE TABLE trigger_table_3 (a INT);
CREATE TABLE double_autoinc_table (a INT PRIMARY KEY AUTO_INCREMENT);
CREATE TRIGGER double_autoinc_trig
BEFORE INSERT ON double_autoinc_table FOR EACH ROW
BEGIN
INSERT INTO autoinc_table VALUES (NULL);
END|
CREATE FUNCTION multi_unsafe_func() RETURNS INT
BEGIN
INSERT INTO t0 VALUES(CONCAT(@@hostname, @@hostname));
INSERT INTO t0 VALUES(0);
INSERT INTO t0 VALUES(CONCAT(UUID(), @@hostname));
RETURN 1;
END|
CREATE FUNCTION myfunc_int RETURNS INTEGER SONAME "UDF_EXAMPLE_LIB";
==== Testing UUID() unsafeness ====
Invoking function func_retval_1 returning value from unsafe UUID() function.
CREATE FUNCTION func_retval_1() RETURNS VARCHAR(100) BEGIN INSERT INTO ta1 VALUES (47); RETURN UUID(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 VALUES (func_retval_1());
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT func_retval_1();
Invoking function func_retval_2 returning value from function func_retval_1 returning value from unsafe UUID() function.
CREATE FUNCTION func_retval_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); RETURN func_retval_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 VALUES (func_retval_2());
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT func_retval_2();
DROP FUNCTION func_retval_2;
Invoking function func_sidef_2 invoking function func_retval_1 returning value from unsafe UUID() function.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 VALUES (func_retval_1()); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking function func_retval_1 returning value from unsafe UUID() function.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 VALUES (func_retval_1()); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking function func_retval_1 returning value from unsafe UUID() function.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 VALUES (func_retval_1()); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_retval_2 returning value from function func_retval_1 returning value from unsafe UUID() function.
CREATE VIEW view_retval_2 AS SELECT func_retval_1();
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_retval_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT * FROM view_retval_2;
DROP VIEW view_retval_2;
Invoking prepared statement prep_2 invoking function func_retval_1 returning value from unsafe UUID() function.
PREPARE prep_2 FROM "INSERT INTO t1 VALUES (func_retval_1())";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP FUNCTION func_retval_1;
Invoking function func_sidef_1 invoking unsafe UUID() function.
CREATE FUNCTION func_sidef_1() RETURNS VARCHAR(100) BEGIN INSERT INTO ta1 VALUES (47); INSERT INTO t0 VALUES (UUID()); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 SELECT func_sidef_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking function func_sidef_1 invoking unsafe UUID() function.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking function func_sidef_1 invoking unsafe UUID() function.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 SELECT func_sidef_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking function func_sidef_1 invoking unsafe UUID() function.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_sidef_2 invoking function func_sidef_1 invoking unsafe UUID() function.
CREATE VIEW view_sidef_2 AS SELECT func_sidef_1();
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_sidef_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP VIEW view_sidef_2;
Invoking prepared statement prep_2 invoking function func_sidef_1 invoking unsafe UUID() function.
PREPARE prep_2 FROM "INSERT INTO t1 SELECT func_sidef_1()";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP FUNCTION func_sidef_1;
Invoking procedure proc_1 invoking unsafe UUID() function.
CREATE PROCEDURE proc_1() BEGIN INSERT INTO t0 VALUES (UUID()); INSERT INTO ta1 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking procedure proc_1 invoking unsafe UUID() function.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking procedure proc_1 invoking unsafe UUID() function.
CREATE PROCEDURE proc_2() BEGIN CALL proc_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking procedure proc_1 invoking unsafe UUID() function.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking procedure proc_1 invoking unsafe UUID() function.
PREPARE prep_2 FROM "CALL proc_1()";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP PROCEDURE proc_1;
Invoking trigger trig_1 invoking unsafe UUID() function.
CREATE TRIGGER trig_1 BEFORE INSERT ON trigger_table_1 FOR EACH ROW BEGIN INSERT INTO ta1 VALUES (47); INSERT INTO t0 VALUES (UUID()); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_1 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking trigger trig_1 invoking unsafe UUID() function.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking trigger trig_1 invoking unsafe UUID() function.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO trigger_table_1 VALUES (1); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking trigger trig_1 invoking unsafe UUID() function.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking trigger trig_1 invoking unsafe UUID() function.
PREPARE prep_2 FROM "INSERT INTO trigger_table_1 VALUES (1)";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP TRIGGER trig_1;
Invoking view view_retval_1 returning value from unsafe UUID() function.
CREATE VIEW view_retval_1 AS SELECT UUID();
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 SELECT * FROM view_retval_1;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT * FROM view_retval_1;
Invoking function func_sidef_2 invoking view view_retval_1 returning value from unsafe UUID() function.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT * FROM view_retval_1; RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking view view_retval_1 returning value from unsafe UUID() function.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 SELECT * FROM view_retval_1; INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking view view_retval_1 returning value from unsafe UUID() function.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT * FROM view_retval_1; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_retval_2 returning value from view view_retval_1 returning value from unsafe UUID() function.
CREATE VIEW view_retval_2 AS SELECT * FROM view_retval_1;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_retval_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT * FROM view_retval_2;
DROP VIEW view_retval_2;
Invoking prepared statement prep_2 invoking view view_retval_1 returning value from unsafe UUID() function.
PREPARE prep_2 FROM "INSERT INTO t1 SELECT * FROM view_retval_1";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP VIEW view_retval_1;
Invoking prepared statement prep_1 invoking unsafe UUID() function.
PREPARE prep_1 FROM "INSERT INTO t0 VALUES (UUID())";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_1;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_1;
Invoking unsafe UUID() function.
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t0 VALUES (UUID());
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT UUID();
==== Testing @@hostname unsafeness ====
Invoking function func_retval_1 returning value from unsafe @@hostname variable.
CREATE FUNCTION func_retval_1() RETURNS VARCHAR(100) BEGIN INSERT INTO ta1 VALUES (47); RETURN @@hostname; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 VALUES (func_retval_1());
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT func_retval_1();
Invoking function func_retval_2 returning value from function func_retval_1 returning value from unsafe @@hostname variable.
CREATE FUNCTION func_retval_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); RETURN func_retval_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 VALUES (func_retval_2());
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT func_retval_2();
DROP FUNCTION func_retval_2;
Invoking function func_sidef_2 invoking function func_retval_1 returning value from unsafe @@hostname variable.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 VALUES (func_retval_1()); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking function func_retval_1 returning value from unsafe @@hostname variable.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 VALUES (func_retval_1()); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking function func_retval_1 returning value from unsafe @@hostname variable.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 VALUES (func_retval_1()); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_retval_2 returning value from function func_retval_1 returning value from unsafe @@hostname variable.
CREATE VIEW view_retval_2 AS SELECT func_retval_1();
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_retval_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT * FROM view_retval_2;
DROP VIEW view_retval_2;
Invoking prepared statement prep_2 invoking function func_retval_1 returning value from unsafe @@hostname variable.
PREPARE prep_2 FROM "INSERT INTO t1 VALUES (func_retval_1())";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP FUNCTION func_retval_1;
Invoking function func_sidef_1 invoking unsafe @@hostname variable.
CREATE FUNCTION func_sidef_1() RETURNS VARCHAR(100) BEGIN INSERT INTO ta1 VALUES (47); INSERT INTO t0 VALUES (@@hostname); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 SELECT func_sidef_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking function func_sidef_1 invoking unsafe @@hostname variable.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking function func_sidef_1 invoking unsafe @@hostname variable.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 SELECT func_sidef_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking function func_sidef_1 invoking unsafe @@hostname variable.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_sidef_2 invoking function func_sidef_1 invoking unsafe @@hostname variable.
CREATE VIEW view_sidef_2 AS SELECT func_sidef_1();
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_sidef_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP VIEW view_sidef_2;
Invoking prepared statement prep_2 invoking function func_sidef_1 invoking unsafe @@hostname variable.
PREPARE prep_2 FROM "INSERT INTO t1 SELECT func_sidef_1()";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP FUNCTION func_sidef_1;
Invoking procedure proc_1 invoking unsafe @@hostname variable.
CREATE PROCEDURE proc_1() BEGIN INSERT INTO t0 VALUES (@@hostname); INSERT INTO ta1 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking procedure proc_1 invoking unsafe @@hostname variable.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking procedure proc_1 invoking unsafe @@hostname variable.
CREATE PROCEDURE proc_2() BEGIN CALL proc_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking procedure proc_1 invoking unsafe @@hostname variable.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking procedure proc_1 invoking unsafe @@hostname variable.
PREPARE prep_2 FROM "CALL proc_1()";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP PROCEDURE proc_1;
Invoking trigger trig_1 invoking unsafe @@hostname variable.
CREATE TRIGGER trig_1 BEFORE INSERT ON trigger_table_1 FOR EACH ROW BEGIN INSERT INTO ta1 VALUES (47); INSERT INTO t0 VALUES (@@hostname); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_1 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking trigger trig_1 invoking unsafe @@hostname variable.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking trigger trig_1 invoking unsafe @@hostname variable.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO trigger_table_1 VALUES (1); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking trigger trig_1 invoking unsafe @@hostname variable.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking trigger trig_1 invoking unsafe @@hostname variable.
PREPARE prep_2 FROM "INSERT INTO trigger_table_1 VALUES (1)";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP TRIGGER trig_1;
Invoking prepared statement prep_1 invoking unsafe @@hostname variable.
PREPARE prep_1 FROM "INSERT INTO t0 VALUES (@@hostname)";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_1;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_1;
Invoking unsafe @@hostname variable.
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t0 VALUES (@@hostname);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system variable that may have a different value on the slave
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
==== Testing SELECT...LIMIT unsafeness ====
Invoking function func_sidef_1 invoking unsafe SELECT...LIMIT statement.
CREATE FUNCTION func_sidef_1() RETURNS VARCHAR(100) BEGIN INSERT INTO ta1 VALUES (47); INSERT INTO t0 SELECT * FROM data_table LIMIT 1; RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 SELECT func_sidef_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking function func_sidef_1 invoking unsafe SELECT...LIMIT statement.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking function func_sidef_1 invoking unsafe SELECT...LIMIT statement.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 SELECT func_sidef_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking function func_sidef_1 invoking unsafe SELECT...LIMIT statement.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_sidef_2 invoking function func_sidef_1 invoking unsafe SELECT...LIMIT statement.
CREATE VIEW view_sidef_2 AS SELECT func_sidef_1();
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_sidef_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP VIEW view_sidef_2;
Invoking prepared statement prep_2 invoking function func_sidef_1 invoking unsafe SELECT...LIMIT statement.
PREPARE prep_2 FROM "INSERT INTO t1 SELECT func_sidef_1()";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP FUNCTION func_sidef_1;
Invoking procedure proc_1 invoking unsafe SELECT...LIMIT statement.
CREATE PROCEDURE proc_1() BEGIN INSERT INTO t0 SELECT * FROM data_table LIMIT 1; INSERT INTO ta1 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking procedure proc_1 invoking unsafe SELECT...LIMIT statement.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking procedure proc_1 invoking unsafe SELECT...LIMIT statement.
CREATE PROCEDURE proc_2() BEGIN CALL proc_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking procedure proc_1 invoking unsafe SELECT...LIMIT statement.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking procedure proc_1 invoking unsafe SELECT...LIMIT statement.
PREPARE prep_2 FROM "CALL proc_1()";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP PROCEDURE proc_1;
Invoking trigger trig_1 invoking unsafe SELECT...LIMIT statement.
CREATE TRIGGER trig_1 BEFORE INSERT ON trigger_table_1 FOR EACH ROW BEGIN INSERT INTO ta1 VALUES (47); INSERT INTO t0 SELECT * FROM data_table LIMIT 1; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_1 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking trigger trig_1 invoking unsafe SELECT...LIMIT statement.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking trigger trig_1 invoking unsafe SELECT...LIMIT statement.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO trigger_table_1 VALUES (1); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking trigger trig_1 invoking unsafe SELECT...LIMIT statement.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking trigger trig_1 invoking unsafe SELECT...LIMIT statement.
PREPARE prep_2 FROM "INSERT INTO trigger_table_1 VALUES (1)";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP TRIGGER trig_1;
Invoking view view_retval_1 returning value from unsafe SELECT...LIMIT statement.
CREATE VIEW view_retval_1 AS SELECT * FROM data_table LIMIT 1;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 SELECT * FROM view_retval_1;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT * FROM view_retval_1;
Invoking function func_sidef_2 invoking view view_retval_1 returning value from unsafe SELECT...LIMIT statement.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT * FROM view_retval_1; RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking view view_retval_1 returning value from unsafe SELECT...LIMIT statement.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 SELECT * FROM view_retval_1; INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking view view_retval_1 returning value from unsafe SELECT...LIMIT statement.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT * FROM view_retval_1; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_retval_2 returning value from view view_retval_1 returning value from unsafe SELECT...LIMIT statement.
CREATE VIEW view_retval_2 AS SELECT * FROM view_retval_1;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_retval_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT * FROM view_retval_2;
DROP VIEW view_retval_2;
Invoking prepared statement prep_2 invoking view view_retval_1 returning value from unsafe SELECT...LIMIT statement.
PREPARE prep_2 FROM "INSERT INTO t1 SELECT * FROM view_retval_1";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP VIEW view_retval_1;
Invoking prepared statement prep_1 invoking unsafe SELECT...LIMIT statement.
PREPARE prep_1 FROM "INSERT INTO t0 SELECT * FROM data_table LIMIT 1";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_1;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_1;
Invoking unsafe SELECT...LIMIT statement.
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t0 SELECT * FROM data_table LIMIT 1;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
* Invoke statement so that return value is dicarded: expect no warning.
SELECT * FROM data_table LIMIT 1;
==== Testing INSERT DELAYED safeness after BUG#54579 is fixed ====
Invoking function func_sidef_1 invoking unsafe INSERT DELAYED statement.
CREATE FUNCTION func_sidef_1() RETURNS VARCHAR(100) BEGIN INSERT INTO ta1 VALUES (47); INSERT DELAYED INTO t0 VALUES (1), (2); RETURN 0; END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO t1 SELECT func_sidef_1();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking function func_sidef_1 invoking unsafe INSERT DELAYED statement.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO t2 SELECT func_sidef_2();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking function func_sidef_1 invoking unsafe INSERT DELAYED statement.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 SELECT func_sidef_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 0 warnings.
CALL proc_2();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking function func_sidef_1 invoking unsafe INSERT DELAYED statement.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO trigger_table_2 VALUES (1);
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_sidef_2 invoking function func_sidef_1 invoking unsafe INSERT DELAYED statement.
CREATE VIEW view_sidef_2 AS SELECT func_sidef_1();
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO t2 SELECT * FROM view_sidef_2;
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP VIEW view_sidef_2;
Invoking prepared statement prep_2 invoking function func_sidef_1 invoking unsafe INSERT DELAYED statement.
PREPARE prep_2 FROM "INSERT INTO t1 SELECT func_sidef_1()";
* binlog_format = STATEMENT: expect 0 warnings.
EXECUTE prep_2;
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP FUNCTION func_sidef_1;
Invoking procedure proc_1 invoking unsafe INSERT DELAYED statement.
CREATE PROCEDURE proc_1() BEGIN INSERT DELAYED INTO t0 VALUES (1), (2); INSERT INTO ta1 VALUES (47); END;
* binlog_format = STATEMENT: expect 0 warnings.
CALL proc_1();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking procedure proc_1 invoking unsafe INSERT DELAYED statement.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO t2 SELECT func_sidef_2();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking procedure proc_1 invoking unsafe INSERT DELAYED statement.
CREATE PROCEDURE proc_2() BEGIN CALL proc_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 0 warnings.
CALL proc_2();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking procedure proc_1 invoking unsafe INSERT DELAYED statement.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); CALL proc_1(); END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO trigger_table_2 VALUES (1);
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking procedure proc_1 invoking unsafe INSERT DELAYED statement.
PREPARE prep_2 FROM "CALL proc_1()";
* binlog_format = STATEMENT: expect 0 warnings.
EXECUTE prep_2;
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP PROCEDURE proc_1;
Invoking trigger trig_1 invoking unsafe INSERT DELAYED statement.
CREATE TRIGGER trig_1 BEFORE INSERT ON trigger_table_1 FOR EACH ROW BEGIN INSERT INTO ta1 VALUES (47); INSERT DELAYED INTO t0 VALUES (1), (2); END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO trigger_table_1 VALUES (1);
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking trigger trig_1 invoking unsafe INSERT DELAYED statement.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); RETURN 0; END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO t2 SELECT func_sidef_2();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking trigger trig_1 invoking unsafe INSERT DELAYED statement.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO trigger_table_1 VALUES (1); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 0 warnings.
CALL proc_2();
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking trigger trig_1 invoking unsafe INSERT DELAYED statement.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO trigger_table_1 VALUES (1); END;
* binlog_format = STATEMENT: expect 0 warnings.
INSERT INTO trigger_table_2 VALUES (1);
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking prepared statement prep_2 invoking trigger trig_1 invoking unsafe INSERT DELAYED statement.
PREPARE prep_2 FROM "INSERT INTO trigger_table_1 VALUES (1)";
* binlog_format = STATEMENT: expect 0 warnings.
EXECUTE prep_2;
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP TRIGGER trig_1;
Invoking prepared statement prep_1 invoking unsafe INSERT DELAYED statement.
PREPARE prep_1 FROM "INSERT DELAYED INTO t0 VALUES (1), (2)";
* binlog_format = STATEMENT: expect 0 warnings.
EXECUTE prep_1;
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_1;
Invoking unsafe INSERT DELAYED statement.
* binlog_format = STATEMENT: expect 0 warnings.
INSERT DELAYED INTO t0 VALUES (1), (2);
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
==== Testing unsafeness of insert of two autoinc values ====
Invoking function func_sidef_1 invoking unsafe update of two autoinc columns.
CREATE FUNCTION func_sidef_1() RETURNS VARCHAR(100) BEGIN INSERT INTO ta1 VALUES (47); INSERT INTO double_autoinc_table VALUES (NULL); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t1 SELECT func_sidef_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking function func_sidef_1 invoking unsafe update of two autoinc columns.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); RETURN 0; END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT func_sidef_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP FUNCTION func_sidef_2;
Invoking procedure proc_2 invoking function func_sidef_1 invoking unsafe update of two autoinc columns.
CREATE PROCEDURE proc_2() BEGIN INSERT INTO t1 SELECT func_sidef_1(); INSERT INTO ta2 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_2();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PROCEDURE proc_2;
Invoking trigger trig_2 invoking function func_sidef_1 invoking unsafe update of two autoinc columns.
CREATE TRIGGER trig_2 BEFORE INSERT ON trigger_table_2 FOR EACH ROW BEGIN INSERT INTO ta2 VALUES (47); INSERT INTO t1 SELECT func_sidef_1(); END;
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO trigger_table_2 VALUES (1);
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP TRIGGER trig_2;
Invoking view view_sidef_2 invoking function func_sidef_1 invoking unsafe update of two autoinc columns.
CREATE VIEW view_sidef_2 AS SELECT func_sidef_1();
* binlog_format = STATEMENT: expect 1 warnings.
INSERT INTO t2 SELECT * FROM view_sidef_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP VIEW view_sidef_2;
Invoking prepared statement prep_2 invoking function func_sidef_1 invoking unsafe update of two autoinc columns.
PREPARE prep_2 FROM "INSERT INTO t1 SELECT func_sidef_1()";
* binlog_format = STATEMENT: expect 1 warnings.
EXECUTE prep_2;
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
DROP PREPARE prep_2;
DROP FUNCTION func_sidef_1;
Invoking procedure proc_1 invoking unsafe update of two autoinc columns.
CREATE PROCEDURE proc_1() BEGIN INSERT INTO double_autoinc_table VALUES (NULL); INSERT INTO ta1 VALUES (47); END;
* binlog_format = STATEMENT: expect 1 warnings.
CALL proc_1();
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTO_INCREMENT column. Inserted values cannot be logged correctly
* SQL_LOG_BIN = 0: expect nothing logged and no warning.
* binlog_format = MIXED: expect row events in binlog and no warning.
Invoking function func_sidef_2 invoking procedure proc_1 invoking unsafe update of two autoinc columns.
CREATE FUNCTION func_sidef_2() RETURNS VARCHAR(100) BEGIN INSERT INTO ta2 VALUES (47); CALL
