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			489 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# func_rollback.test
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#
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# Test variations inspired by 
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# Bug#12713 Error in a stored function called from a SELECT doesn't cause
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#           ROLLBACK of statement
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# Essential of the bug:
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# - A SELECT using a FUNCTION processes a table.
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# - The SELECT affects more than row.
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# - The FUNCTION modifies a table.
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# - When processing the non first matching row, the function fails.
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#   But the modification caused by the function when the SELECT processed the
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#   first matching row is not reverted.
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#   
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# Goal of this test:  Attempts to catch a situation where
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# - a statement A involving the execution of one or more functions is run
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# - the function/functions themself contain one or more statements
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#   modifying a table
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# - one of the modifying statements within one of the functions fails
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# - the table remains at least partially modified
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#
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# = There is no automatic ROLLBACK of changes caused by the failing
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#     statement A.
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# = Statement A is not atomic.
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#
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# Notes:
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# - The table to be modified must use a transactional storage engine.
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#   For example MyISAM cannot avoid the situation above.
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# - Some comments assume that the rows of the table t1_select are processed
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#   in the order of insertion. That means
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#      SELECT f1,f2 FROM t1_select
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#   should have the same result set and row order like
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#   SELECT f1,f2 FROM t1_select ORDER BY f1;
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# - The manual says that we get in non strict sql mode a warning around INSERT:
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#   Inserting NULL into a column that has been declared NOT NULL.
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#   For multiple-row INSERT statements or INSERT INTO ... SELECT statements,
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#   the column is set to the implicit default value for the column data type.
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#
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# Created:
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# 2008-04-09 mleich
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#
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let $fixed_bug_35877 = 0;
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let $from_select = SELECT 1 AS f1,1 AS f2 UNION ALL SELECT 1,NULL;
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--source include/have_innodb.inc
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let $engine = InnoDB;
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--disable_warnings
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DROP TABLE IF EXISTS t1_select;
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DROP TABLE IF EXISTS t1_aux;
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DROP TABLE IF EXISTS t1_not_null;
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DROP VIEW IF EXISTS v1_not_null;
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DROP VIEW IF EXISTS v1_func;
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DROP TABLE IF EXISTS t1_fail;
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DROP FUNCTION IF EXISTS f1_simple_insert;
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DROP FUNCTION IF EXISTS f1_two_inserts;
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DROP FUNCTION IF EXISTS f1_insert_select;
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--enable_warnings
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SET SESSION AUTOCOMMIT=0;
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SET SESSION sql_mode = '';
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CREATE TABLE t1_select (f1 BIGINT, f2 BIGINT) ENGINE = MEMORY;
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INSERT INTO t1_select(f1,f2) VALUES (1,-1),(2,NULL),(3,0),(4,1),(5,2);
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SELECT * FROM t1_select;
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--replace_result $engine <transactional_engine>
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eval
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CREATE TABLE t1_not_null (f1 BIGINT, f2 BIGINT NOT NULL)
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ENGINE = $engine;
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SELECT * FROM t1_not_null;
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--replace_result $engine <transactional_engine>
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eval
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CREATE TABLE t1_aux (f1 BIGINT, f2 BIGINT)
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ENGINE = $engine;
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SELECT * FROM t1_aux;
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COMMIT;
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# FUNCTION with "simple" INSERT
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delimiter //;
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CREATE FUNCTION f1_simple_insert(my_f1 INTEGER) RETURNS INTEGER
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BEGIN
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   INSERT INTO t1_not_null SET f1 = 10, f2 = my_f1;
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   RETURN 1;
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END//
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delimiter ;//
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--echo
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--echo # One f1_simple_insert execution per row, no NOT NULL violation
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SELECT f1_simple_insert(1);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null;
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#
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SELECT f1_simple_insert(1) FROM t1_select;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null;
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--echo
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--echo # One f1_simple_insert execution per row, NOT NULL violation when the
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--echo # SELECT processes the first row.
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(NULL);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(NULL) FROM t1_select;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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eval SELECT 1 FROM ($from_select) AS t1 WHERE f1_simple_insert(NULL) = 1;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # One f1_simple_insert execution per row, NOT NULL violation when the
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--echo # SELECT processes the non first row
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--error ER_BAD_NULL_ERROR
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eval SELECT f1_simple_insert(f2) FROM ($from_select) AS t1;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(f2) FROM t1_select;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # Two f1_simple_insert executions per row, NOT NULL violation when the
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--echo # SELECT processes the first row.
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(1),f1_simple_insert(NULL);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(NULL),f1_simple_insert(1);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # Two f1_simple_insert executions per row, NOT NULL violation when the
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--echo # SELECT processes the non first row
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--error ER_BAD_NULL_ERROR
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eval SELECT f1_simple_insert(f1),f1_simple_insert(f2) FROM ($from_select) AS t1;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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eval SELECT f1_simple_insert(f2),f1_simple_insert(f1) FROM ($from_select) AS t1;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(f1),f1_simple_insert(f2) FROM t1_select;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(f2),f1_simple_insert(f1) FROM t1_select;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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eval SELECT 1 FROM ($from_select) AS t1
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WHERE 1 = f1_simple_insert(f2) AND 1 = f1_simple_insert(f1);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # Nested functions, the inner fails
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(f1_simple_insert(NULL)) FROM t1_select;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # Nested functions, the outer fails
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--error ER_BAD_NULL_ERROR
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SELECT f1_simple_insert(f1_simple_insert(1) + NULL) FROM t1_select;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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DROP FUNCTION f1_simple_insert;
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# FUNCTION with INSERT ... SELECT
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delimiter //;
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let $f1_insert_select =
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CREATE FUNCTION f1_insert_select(my_f1 INTEGER) RETURNS INTEGER
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BEGIN
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   INSERT INTO t1_not_null SELECT * FROM t1_select WHERE f1 = my_f1;
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   RETURN 1;
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END//
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delimiter ;//
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eval $f1_insert_select;
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#
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--echo
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--echo # f1_insert_select(2), tries to INSERT SELECT one row containing NULL
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--echo # The fact that
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--echo # - SELECT f1_insert_select(2);     gives any result set    and
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--echo # - t1_not_null gets a row inserted
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--echo # is covered by the manual.
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# Non strict sqlmode + INSERT SELECT --> NULL adjusted to default
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SELECT f1_insert_select(2);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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DROP FUNCTION f1_insert_select;
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#
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SET SESSION sql_mode = 'traditional';
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eval $f1_insert_select;
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--error ER_BAD_NULL_ERROR
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SELECT f1_insert_select(2);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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DROP FUNCTION f1_insert_select;
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SET SESSION sql_mode = '';
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# FUNCTION with two simple INSERTs
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--echo
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--echo # Function tries to
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--echo #    1. INSERT statement: Insert one row with NULL -> NOT NULL violation
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--echo #    2. INSERT statement: Insert one row without NULL
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# I guess the execution of the function becomes aborted just when the
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# error happens.
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delimiter //;
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CREATE FUNCTION f1_two_inserts() RETURNS INTEGER
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BEGIN
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   INSERT INTO t1_not_null SET f1 = 10, f2 = NULL;
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   INSERT INTO t1_not_null SET f1 = 10, f2 = 10;
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   RETURN 1;
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END//
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delimiter ;//
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--error ER_BAD_NULL_ERROR
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SELECT f1_two_inserts();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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DROP FUNCTION f1_two_inserts;
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#
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--echo
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--echo # Function tries to
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--echo #    1. INSERT statement: Insert one row without NULL
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--echo #    2. INSERT statement: Insert one row with NULL -> NOT NULL violation
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delimiter //;
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CREATE FUNCTION f1_two_inserts() RETURNS INTEGER
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BEGIN
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   INSERT INTO t1_not_null SET f1 = 10, f2 = 10;
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   INSERT INTO t1_not_null SET f1 = 10, f2 = NULL;
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   RETURN 1;
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END//
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delimiter ;//
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--error ER_BAD_NULL_ERROR
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SELECT f1_two_inserts();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # Function tries to
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--echo #    INSERT statement: Insert two rows
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--echo #                      first row without NULL
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--echo #                      second row with NULL -> NOT NULL violation
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--echo #       -> NOT NULL violation
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delimiter //;
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let $f1_insert_with_two_rows =
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CREATE FUNCTION f1_insert_with_two_rows() RETURNS INTEGER
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BEGIN
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   INSERT INTO t1_not_null(f1,f2) VALUES (10,10),(10,NULL);
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   RETURN 1;
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END//
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delimiter ;//
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eval $f1_insert_with_two_rows;
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--echo # The fact that
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--echo # - SELECT f1_insert_with_two_rows();     gives any result set    and
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--echo # - t1_not_null gets a row inserted
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--echo # is covered by the manual.
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# Non strict sqlmode + multiple-row INSERT --> NULL adjusted to default
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SELECT f1_insert_with_two_rows();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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DROP FUNCTION f1_insert_with_two_rows;
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#
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SET SESSION sql_mode = 'traditional';
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eval $f1_insert_with_two_rows;
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--error ER_BAD_NULL_ERROR
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SELECT f1_insert_with_two_rows();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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SET SESSION sql_mode = '';
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--echo
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--echo # FUNCTION in Correlated Subquery
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--error ER_BAD_NULL_ERROR
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SELECT 1 FROM t1_select t1
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WHERE 1 = (SELECT f1_insert_with_two_rows() FROM t1_select t2
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           WHERE t2.f1 = t1.f1);
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # FUNCTION in JOIN
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--error ER_BAD_NULL_ERROR
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SELECT 1 FROM t1_select t1, t1_select t2
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WHERE t1.f1 = t2.f1 AND t2.f1 = f1_insert_with_two_rows();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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SELECT STRAIGHT_JOIN * FROM t1_select t2 RIGHT JOIN t1_select t1
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ON t1.f1 = t1.f1 WHERE 1 = f1_insert_with_two_rows();
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DROP FUNCTION f1_insert_with_two_rows;
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--echo
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--echo # FUNCTION in UNION
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--error ER_BAD_NULL_ERROR
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SELECT 1
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UNION ALL
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SELECT f1_two_inserts();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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--echo
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--echo # FUNCTION in INSERT
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--error ER_BAD_NULL_ERROR
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INSERT INTO t1_aux SET f1 = 1, f2 = f1_two_inserts();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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INSERT INTO t1_aux SELECT 1, f1_two_inserts();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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SELECT * FROM t1_aux ORDER BY f1,f2;
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#
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--error ER_BAD_NULL_ERROR
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INSERT INTO t1_aux VALUES(1,f1_two_inserts());
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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SELECT * FROM t1_aux ORDER BY f1,f2;
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--echo
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--echo # FUNCTION in DELETE
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INSERT INTO t1_aux VALUES (1,1);
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COMMIT;
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--error ER_BAD_NULL_ERROR
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DELETE FROM t1_aux WHERE f1 = f1_two_inserts();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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SELECT * FROM t1_aux ORDER BY f1,f2;
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--echo
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--echo # FUNCTION in UPDATE SET
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# FUNCTION in SET
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--error ER_BAD_NULL_ERROR
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UPDATE t1_aux SET f2 = f1_two_inserts() + 1;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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SELECT * FROM t1_aux ORDER BY f1,f2;
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#
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if ($fixed_bug_35877)
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{
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--echo
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--echo # FUNCTION in UPDATE WHERE
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# Bug#35877 Update .. WHERE with function, constraint violation, crash
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UPDATE t1_aux SET f2 = 2 WHERE f1 = f1_two_inserts();
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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ROLLBACK;
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SELECT * FROM t1_not_null ORDER BY f1,f2;
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SELECT * FROM t1_aux ORDER BY f1,f2;
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}
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--echo
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--echo # FUNCTION in VIEW definition
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CREATE VIEW v1_func AS SELECT f1_two_inserts() FROM t1_select;
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--error ER_BAD_NULL_ERROR
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SELECT * FROM v1_func;
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						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
ROLLBACK;
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
DROP VIEW v1_func;
 | 
						|
 | 
						|
--echo
 | 
						|
--echo # FUNCTION in CREATE TABLE ... AS SELECT
 | 
						|
--error ER_BAD_NULL_ERROR
 | 
						|
CREATE TABLE t1_fail AS SELECT f1_two_inserts() FROM t1_select;
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
#
 | 
						|
--error ER_BAD_NULL_ERROR
 | 
						|
CREATE TABLE t1_fail AS SELECT * FROM t1_select WHERE 1 = f1_two_inserts();
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
#
 | 
						|
 | 
						|
--echo
 | 
						|
--echo # FUNCTION in ORDER BY
 | 
						|
--error ER_BAD_NULL_ERROR
 | 
						|
SELECT * FROM t1_select ORDER BY f1,f1_two_inserts();
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
 | 
						|
--echo
 | 
						|
--echo # FUNCTION in aggregate function
 | 
						|
--error ER_BAD_NULL_ERROR
 | 
						|
SELECT AVG(f1_two_inserts()) FROM t1_select;
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
 | 
						|
--echo
 | 
						|
--echo # FUNCTION in HAVING
 | 
						|
--error ER_BAD_NULL_ERROR
 | 
						|
SELECT 1 FROM t1_select HAVING AVG(f1) = f1_two_inserts() + 2;
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
DROP FUNCTION f1_two_inserts;
 | 
						|
 | 
						|
--echo
 | 
						|
--echo # FUNCTION modifies Updatable VIEW
 | 
						|
CREATE VIEW v1_not_null AS SELECT f1,f2 FROM t1_not_null WITH CHECK OPTION;
 | 
						|
delimiter //;
 | 
						|
CREATE FUNCTION f1_two_inserts_v1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
   INSERT INTO v1_not_null SET f1 = 10, f2 = 10;
 | 
						|
   INSERT INTO v1_not_null SET f1 = 10, f2 = NULL;
 | 
						|
   RETURN 1;
 | 
						|
END//
 | 
						|
delimiter ;//
 | 
						|
--error ER_BAD_NULL_ERROR
 | 
						|
SELECT f1_two_inserts_v1();
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
ROLLBACK;
 | 
						|
SELECT * FROM t1_not_null ORDER BY f1,f2;
 | 
						|
DROP FUNCTION f1_two_inserts_v1;
 | 
						|
DROP VIEW v1_not_null;
 | 
						|
 | 
						|
--echo
 | 
						|
--echo # FUNCTION causes FOREIGN KEY constraint violation
 | 
						|
eval
 | 
						|
CREATE TABLE t1_parent (f1 BIGINT, f2 BIGINT, PRIMARY KEY(f1))
 | 
						|
ENGINE = $engine;
 | 
						|
INSERT INTO t1_parent VALUES (1,1);
 | 
						|
eval
 | 
						|
CREATE TABLE t1_child (f1 BIGINT, f2 BIGINT, PRIMARY KEY(f1),
 | 
						|
FOREIGN KEY (f1) REFERENCES t1_parent(f1))
 | 
						|
ENGINE = $engine;
 | 
						|
--error ER_NO_REFERENCED_ROW_2
 | 
						|
delimiter //;
 | 
						|
CREATE FUNCTION f1_two_inserts() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
   INSERT INTO t1_child SET f1 = 1, f2 = 1;
 | 
						|
   INSERT INTO t1_child SET f1 = 2, f2 = 2;
 | 
						|
   RETURN 1;
 | 
						|
END//
 | 
						|
delimiter ;//
 | 
						|
--error ER_NO_REFERENCED_ROW_2
 | 
						|
SELECT f1_two_inserts();
 | 
						|
SELECT * FROM t1_child;
 | 
						|
DROP TABLE t1_child;
 | 
						|
DROP TABLE t1_parent;
 | 
						|
DROP FUNCTION f1_two_inserts;
 | 
						|
 | 
						|
# Cleanup
 | 
						|
DROP TABLE t1_select;
 | 
						|
DROP TABLE t1_aux;
 | 
						|
DROP TABLE t1_not_null;
 |