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	use partial primary key if another index can prevent filesort The fix for bug #28404 causes the covering ordering indexes to be preferred unconditionally over non-covering and ref indexes. Fixed by comparing the cost of using a covering index to the cost of using a ref index even for covering ordering indexes. Added an assertion to clarify the condition the local variables should be in. mysql-test/include/mix1.inc: Bug #36259: fixed a non-stable test case mysql-test/r/innodb_mysql.result: Bug #36259 and #45828 : test case mysql-test/t/innodb_mysql.test: Bug #36259 and #45828 : test case sql/sql_select.cc: Bug #36259 and #45828 : don't consider covering indexes supperior to ref keys.
		
			
				
	
	
		
			465 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			465 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # t/innodb_mysql.test
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| #
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| # Last update:
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| # 2006-07-26 ML test refactored (MySQL 5.1)
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| #               main testing code t/innodb_mysql.test -> include/mix1.inc              
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| #
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| 
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| -- source include/have_innodb.inc
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| let $engine_type= InnoDB;
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| let $other_engine_type= MEMORY;
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| # InnoDB does support FOREIGN KEYFOREIGN KEYs
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| let $test_foreign_keys= 1;
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| set global innodb_support_xa=default;
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| set session innodb_support_xa=default;
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| --source include/mix1.inc
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| 
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| --disable_warnings
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| drop table if exists t1, t2, t3;
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| --enable_warnings
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| #
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| # BUG#35850: Performance regression in 5.1.23/5.1.24
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| #
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| create table t1(a int);
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| insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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| create table t2 (a int, b int, pk int, key(a,b), primary key(pk)) engine=innodb;
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| insert into t2 select @a:=A.a+10*(B.a + 10*C.a),@a, @a from t1 A, t1 B, t1 C;
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| --echo this must use key 'a', not PRIMARY:
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| --replace_column 9 #
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| explain select a from t2 where a=b;
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| drop table t1, t2;
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| 
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| #
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| # Bug #40360: Binlog related errors with binlog off
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| #
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| # This bug is triggered when the binlog format is STATEMENT and the
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| # binary log is turned off. In this case, no error should be shown for
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| # the statement since there are no replication issues.
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| 
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| SET SESSION BINLOG_FORMAT=STATEMENT;
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| SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
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| query_vertical select @@session.sql_log_bin, @@session.binlog_format, @@session.tx_isolation;
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| CREATE TABLE t1 ( a INT ) ENGINE=InnoDB;
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| INSERT INTO t1 VALUES(1);
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| DROP TABLE t1;
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| 
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| #
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| # Bug#37284 Crash in Field_string::type()
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| #
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| --disable_warnings
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| DROP TABLE IF EXISTS t1;
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| --enable_warnings
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| CREATE TABLE t1 (a char(50)) ENGINE=InnoDB;
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| CREATE INDEX i1 on t1 (a(3));
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| SELECT * FROM t1 WHERE a = 'abcde';
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| DROP TABLE t1;
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| 
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| #
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| # Bug #37742: HA_EXTRA_KEYREAD flag is set when key contains only prefix of
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| # requested column
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| #
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| 
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| CREATE TABLE foo (a int, b int, c char(10),
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|                   PRIMARY KEY (c(3)),
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|                   KEY b (b)
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| ) engine=innodb;
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| 
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| CREATE TABLE foo2 (a int, b int, c char(10),
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|                   PRIMARY KEY (c),
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|                   KEY b (b)
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| ) engine=innodb;
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| 
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| CREATE TABLE bar (a int, b int, c char(10),
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|                   PRIMARY KEY (c(3)),
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|                   KEY b (b)
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| ) engine=myisam;
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| 
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| INSERT INTO foo VALUES
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|    (1,2,'abcdefghij'), (2,3,''), (3,4,'klmnopqrst'),
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|    (4,5,'uvwxyz'), (5,6,'meotnsyglt'), (4,5,'asfdewe');
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| 
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| INSERT INTO bar SELECT * FROM foo;
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| INSERT INTO foo2 SELECT * FROM foo;
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| 
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| --query_vertical EXPLAIN SELECT c FROM bar WHERE b>2;
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| --query_vertical EXPLAIN SELECT c FROM foo WHERE b>2;
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| --query_vertical EXPLAIN SELECT c FROM foo2 WHERE b>2;
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| 
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| --query_vertical EXPLAIN SELECT c FROM bar WHERE c>2;
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| --query_vertical EXPLAIN SELECT c FROM foo WHERE c>2;
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| --query_vertical EXPLAIN SELECT c FROM foo2 WHERE c>2;
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| 
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| DROP TABLE foo, bar, foo2;
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| 
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| 
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| #
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| # Bug#41348: INSERT INTO tbl SELECT * FROM temp_tbl overwrites locking type of temp table
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| #
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| 
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| --disable_warnings
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| DROP TABLE IF EXISTS t1,t3,t2;
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| DROP FUNCTION IF EXISTS f1;
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| --enable_warnings
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| 
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| DELIMITER |;
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| CREATE FUNCTION f1() RETURNS VARCHAR(250)
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|  BEGIN
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|      return 'hhhhhhh' ;
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|  END|
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| DELIMITER ;|
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| 
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| CREATE TABLE t1 (a VARCHAR(20), b VARCHAR(20), c VARCHAR(20)) ENGINE=INNODB;
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| 
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| BEGIN WORK;
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| 
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| CREATE TEMPORARY TABLE t2 (a VARCHAR(20), b VARCHAR(20), c varchar(20)) ENGINE=INNODB;
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| CREATE TEMPORARY TABLE t3 LIKE t2;
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| 
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| INSERT INTO t1 VALUES ('a','b',NULL),('c','d',NULL),('e','f',NULL);
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| 
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| SET @stmt := CONCAT('INSERT INTO t2 SELECT tbl.a, tbl.b, f1()',' FROM t1 tbl');
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| PREPARE stmt1 FROM @stmt;
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| 
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| SET @stmt := CONCAT('INSERT INTO t3', ' SELECT * FROM t2');
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| PREPARE stmt3 FROM @stmt;
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| 
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| EXECUTE stmt1;
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| 
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| COMMIT;
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| 
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| DEALLOCATE PREPARE stmt1;
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| DEALLOCATE PREPARE stmt3;
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| 
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| DROP TABLE t1,t3,t2;
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| DROP FUNCTION f1;
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| 
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| #
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| # Bug#37016: TRUNCATE TABLE removes some rows but not all
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| #
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| 
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| --disable_warnings
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| DROP TABLE IF EXISTS t1,t2;
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| --enable_warnings
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| 
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| CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB;
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| CREATE TABLE t2 (id INT PRIMARY KEY,
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|                  t1_id INT, INDEX par_ind (t1_id),
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|                  FOREIGN KEY (t1_id) REFERENCES t1(id)) ENGINE=INNODB;
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| INSERT INTO t1 VALUES (1),(2);
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| INSERT INTO t2 VALUES (3,2);
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| 
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| SET AUTOCOMMIT = 0;
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| 
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| START TRANSACTION;
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| --error ER_ROW_IS_REFERENCED_2
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| TRUNCATE TABLE t1;
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| SELECT * FROM t1;
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| COMMIT;
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| SELECT * FROM t1;
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| 
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| START TRANSACTION;
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| --error ER_ROW_IS_REFERENCED_2
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| TRUNCATE TABLE t1;
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| SELECT * FROM t1;
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| ROLLBACK;
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| SELECT * FROM t1;
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| 
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| SET AUTOCOMMIT = 1;
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| 
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| START TRANSACTION;
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| SELECT * FROM t1;
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| COMMIT;
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| 
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| --error ER_ROW_IS_REFERENCED_2
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| TRUNCATE TABLE t1;
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| SELECT * FROM t1;
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| DELETE FROM t2 WHERE id = 3;
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| 
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| START TRANSACTION;
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| SELECT * FROM t1;
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| TRUNCATE TABLE t1;
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| ROLLBACK;
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| SELECT * FROM t1;
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| TRUNCATE TABLE t2;
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| 
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| DROP TABLE t2;
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| DROP TABLE t1;
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| 
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| --echo #
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| --echo # Bug#40127 Multiple table DELETE IGNORE hangs on foreign key constraint violation on 5.0
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| --echo #
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| CREATE TABLE t1 (
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|         id INT UNSIGNED NOT NULL AUTO_INCREMENT,
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|         PRIMARY KEY (id)
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| ) ENGINE=InnoDB;
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| 
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| CREATE TABLE t2 (
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|         id INT UNSIGNED NOT NULL AUTO_INCREMENT,
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|         aid INT UNSIGNED NOT NULL,
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|         PRIMARY KEY (id),
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|         FOREIGN KEY (aid) REFERENCES t1 (id)
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| ) ENGINE=InnoDB;
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| 
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| CREATE TABLE t3 (
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|         bid INT UNSIGNED NOT NULL,
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|         FOREIGN KEY (bid) REFERENCES t2 (id)
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| ) ENGINE=InnoDB;
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| 
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| CREATE TABLE t4 (
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|   a INT
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| ) ENGINE=InnoDB;
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| 
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| CREATE TABLE t5 (
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|   a INT
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| ) ENGINE=InnoDB;
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| 
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| INSERT INTO t1 (id) VALUES (1);
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| INSERT INTO t2 (id, aid) VALUES (1, 1),(2,1),(3,1),(4,1);
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| INSERT INTO t3 (bid) VALUES (1);
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| 
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| INSERT INTO t4 VALUES (1),(2),(3),(4),(5);
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| INSERT INTO t5 VALUES (1);
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| 
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| DELETE t5 FROM t4 LEFT JOIN t5 ON t4.a= t5.a;
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| 
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| --error ER_ROW_IS_REFERENCED_2
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| DELETE t2, t1 FROM t2 INNER JOIN t1 ON (t2.aid = t1.id) WHERE t2.id = 1;
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| --error ER_ROW_IS_REFERENCED_2
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| DELETE t2, t1 FROM t2 INNER JOIN t1 ON (t2.aid = t1.id) WHERE t2.id = 1;
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| 
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| DELETE IGNORE t2, t1 FROM t2 INNER JOIN t1 ON (t2.aid = t1.id) WHERE t2.id = 1;
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| 
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| DROP TABLE t3;
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| DROP TABLE t2;
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| DROP TABLE t1;
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| DROP TABLES t4,t5;
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| 
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| --echo # Bug#40127 Multiple table DELETE IGNORE hangs on foreign key constraint violation on 5.0
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| --echo # Testing for any side effects of IGNORE on AFTER DELETE triggers used with
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| --echo # transactional tables.
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| --echo #
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| CREATE TABLE t1 (i INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
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| CREATE TABLE t2 (a VARCHAR(100)) ENGINE=InnoDB;
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| CREATE TABLE t3 (i INT NOT NULL PRIMARY KEY) ENGINE=InnoDB;
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| CREATE TABLE t4 (i INT NOT NULL PRIMARY KEY, t1i INT, 
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|   FOREIGN KEY (t1i) REFERENCES t1(i))
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|   ENGINE=InnoDB;
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| delimiter ||;
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| CREATE TRIGGER trg AFTER DELETE ON t1 FOR EACH ROW
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| BEGIN
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|   SET @b:='EXECUTED TRIGGER';
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|   INSERT INTO t2 VALUES (@b);
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|   SET @a:= error_happens_here;
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| END||
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| delimiter ;||
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| 
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| SET @b:="";
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| SET @a:="";
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| INSERT INTO t1 VALUES (1),(2),(3),(4);
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| INSERT INTO t3 SELECT * FROM t1;
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| --echo ** An error in a trigger causes rollback of the statement.
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| --error ER_BAD_FIELD_ERROR
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| DELETE t1 FROM t3 LEFT JOIN t1 ON t1.i=t3.i;
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| SELECT @a,@b;
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| SELECT * FROM t2;
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| SELECT * FROM t1 LEFT JOIN t3 ON t1.i=t3.i;
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| 
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| --echo ** Same happens with the IGNORE option
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| --error ER_BAD_FIELD_ERROR
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| DELETE IGNORE t1 FROM t3 LEFT JOIN t1 ON t1.i=t3.i;
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| SELECT * FROM t2;
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| SELECT * FROM t1 LEFT JOIN t3 ON t1.i=t3.i;
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| 
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| --echo **
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| --echo ** The following is an attempt to demonstrate
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| --echo ** error handling inside a row iteration.
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| --echo **
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| DROP TRIGGER trg;
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| TRUNCATE TABLE t1;
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| TRUNCATE TABLE t2;
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| TRUNCATE TABLE t3;
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| 
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| INSERT INTO t1 VALUES (1),(2),(3),(4);
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| INSERT INTO t3 VALUES (1),(2),(3),(4);
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| INSERT INTO t4 VALUES (3,3),(4,4);
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| 
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| delimiter ||;
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| CREATE TRIGGER trg AFTER DELETE ON t1 FOR EACH ROW
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| BEGIN
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|   SET @b:= CONCAT('EXECUTED TRIGGER FOR ROW ',CAST(OLD.i AS CHAR));
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|   INSERT INTO t2 VALUES (@b);
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| END||
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| delimiter ;||
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| 
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| --echo ** DELETE is prevented by foreign key constrains but errors are silenced.
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| --echo ** The AFTER trigger isn't fired.
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| DELETE IGNORE t1 FROM t3 LEFT JOIN t1 ON t1.i=t3.i;
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| --echo ** Tables are modified by best effort:
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| SELECT * FROM t1 LEFT JOIN t3 ON t1.i=t3.i;
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| --echo ** The AFTER trigger was only executed on successful rows:
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| SELECT * FROM t2;
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| 
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| DROP TRIGGER trg;
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| 
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| --echo **
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| --echo ** Induce an error midway through an AFTER-trigger
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| --echo **
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| TRUNCATE TABLE t4;
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| TRUNCATE TABLE t1;
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| TRUNCATE TABLE t3;
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| INSERT INTO t1 VALUES (1),(2),(3),(4);
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| INSERT INTO t3 VALUES (1),(2),(3),(4);
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| delimiter ||;
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| CREATE TRIGGER trg AFTER DELETE ON t1 FOR EACH ROW
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| BEGIN
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|   SET @a:= @a+1;
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|   IF @a > 2 THEN
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|     INSERT INTO t4 VALUES (5,5);
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|   END IF;
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| END||
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| delimiter ;||
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| 
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| SET @a:=0;
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| --echo ** Errors in the trigger causes the statement to abort.
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| --error ER_NO_REFERENCED_ROW_2
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| DELETE IGNORE t1 FROM t3 LEFT JOIN t1 ON t1.i=t3.i;
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| SELECT * FROM t1 LEFT JOIN t3 ON t1.i=t3.i;
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| SELECT * FROM t4;
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| 
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| DROP TRIGGER trg;
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| DROP TABLE t4;
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| DROP TABLE t1;
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| DROP TABLE t2;
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| DROP TABLE t3;
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| 
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| #
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| # Bug#43580: Issue with Innodb on multi-table update
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| #
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| CREATE TABLE t1 (a INT, b INT, KEY (a)) ENGINE = INNODB;
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| CREATE TABLE t2 (a INT KEY, b INT, KEY (b)) ENGINE = INNODB;
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| 
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| CREATE TABLE t3 (a INT, b INT KEY, KEY (a)) ENGINE = INNODB;
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| CREATE TABLE t4 (a INT KEY, b INT, KEY (b)) ENGINE = INNODB;
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| 
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| INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);
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| INSERT INTO t2 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
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| 
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| INSERT INTO t3 VALUES (1, 101), (2, 102), (3, 103), (4, 104), (5, 105), (6, 106);
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| INSERT INTO t4 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
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| 
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| UPDATE t1, t2 SET t1.a = t1.a + 100, t2.b = t1.a + 10 
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| WHERE t1.a BETWEEN 2 AND 4 AND t2.a = t1.b;
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| --sorted_result
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| SELECT * FROM t2;
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| 
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| UPDATE t3, t4 SET t3.a = t3.a + 100, t4.b = t3.a + 10 
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| WHERE t3.a BETWEEN 2 AND 4 AND t4.a = t3.b - 100;
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| --sorted_result
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| SELECT * FROM t4;
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| 
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| DROP TABLE t1, t2, t3, t4;
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| 
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| --echo #
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| --echo # Bug#44886: SIGSEGV in test_if_skip_sort_order() -
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| --echo #            uninitialized variable used as subscript 
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| --echo #
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| 
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| CREATE TABLE t1 (a INT, b INT, c INT, d INT, PRIMARY KEY (b), KEY (a,c))
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|   ENGINE=InnoDB;
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| INSERT INTO t1 VALUES (1,1,1,0);
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| 
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| CREATE TABLE t2 (a INT, b INT, e INT, KEY (e)) ENGINE=InnoDB;
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| INSERT INTO t2 VALUES (1,1,2);
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| 
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| CREATE TABLE t3 (a INT, b INT) ENGINE=MyISAM;
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| INSERT INTO t3 VALUES (1, 1);
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| 
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| SELECT * FROM t1, t2, t3
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|   WHERE t1.a = t3.a AND (t1.b = t3.b OR t1.d) AND t2.b = t1.b AND t2.e = 2
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|   GROUP BY t1.b;
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| 
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| DROP TABLE t1, t2, t3;
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| 
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| --echo #
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| --echo # Bug #45828: Optimizer won't use partial primary key if another 
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| --echo # index can prevent filesort
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| --echo #
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| 
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| # Create the table
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| CREATE TABLE `t1` (
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|   c1 int NOT NULL,
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|   c2 int NOT NULL,
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|   c3 int NOT NULL,
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|   PRIMARY KEY (c1,c2),
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|   KEY  (c3)
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| ) ENGINE=InnoDB;
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| 
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| # populate with data
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| INSERT INTO t1 VALUES (5,2,1246276747);
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| INSERT INTO t1 VALUES (2,1,1246281721);
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| INSERT INTO t1 VALUES (7,3,1246281756);
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| INSERT INTO t1 VALUES (4,2,1246282139);
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| INSERT INTO t1 VALUES (3,1,1246282230);
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| INSERT INTO t1 VALUES (1,0,1246282712);
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| INSERT INTO t1 VALUES (8,3,1246282765);
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| INSERT INTO t1 SELECT c1+10,c2+10,c3+10 FROM t1;
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| INSERT INTO t1 SELECT c1+100,c2+100,c3+100 from t1;
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| INSERT INTO t1 SELECT c1+1000,c2+1000,c3+1000 from t1;
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| INSERT INTO t1 SELECT c1+10000,c2+10000,c3+10000 from t1;
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| INSERT INTO t1 SELECT c1+100000,c2+100000,c3+100000 from t1;
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| INSERT INTO t1 SELECT c1+1000000,c2+1000000,c3+1000000 from t1;
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| 
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| # query and no rows will match the c1 condition, whereas all will match c3
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| SELECT * FROM t1 WHERE c1 = 99999999 AND c3 > 1 ORDER BY c3;
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| 
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| # SHOULD use the pk.
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| # index on c3 will be used instead of primary key
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| EXPLAIN SELECT * FROM t1 WHERE c1 = 99999999 AND c3 > 1 ORDER BY c3;
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| 
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| # if we force the primary key, we can see the estimate is 1 
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| EXPLAIN SELECT * FROM t1 FORCE INDEX (PRIMARY) WHERE c1 = 99999999 AND c3 > 1 ORDER BY c3;
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| 
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| 
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| CREATE TABLE t2 (
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|   c1 int NOT NULL,
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|   c2 int NOT NULL,
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|   c3 int NOT NULL,
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|   KEY (c1,c2),
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|   KEY (c3)
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| ) ENGINE=InnoDB;
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| 
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| # SHOULD use the pk.
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| # if we switch it from a primary key to a regular index, it works correctly as well
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| explain SELECT * FROM t2 WHERE c1 = 99999999 AND c3 > 1 ORDER BY c3;
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| 
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| DROP TABLE t1,t2;
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| 
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| 
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| --echo #
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| --echo # 36259: Optimizing with ORDER BY
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| --echo #
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| 
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| CREATE TABLE t1 (
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|   a INT NOT NULL AUTO_INCREMENT,
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|   b INT NOT NULL,
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|   c INT NOT NULL,
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|   d VARCHAR(5),
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|   e INT NOT NULL,
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|   PRIMARY KEY (a), KEY i2 (b,c,d)
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| ) ENGINE=InnoDB;
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| 
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| INSERT INTO t1 (b,c,d,e) VALUES (1,1,'a',1), (2,2,'b',2);
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| INSERT INTO t1 (b,c,d,e) SELECT RAND()*10000, RAND()*10000, d, e FROM t1;
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| INSERT INTO t1 (b,c,d,e) SELECT RAND()*10000, RAND()*10000, d, e FROM t1;
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| INSERT INTO t1 (b,c,d,e) SELECT RAND()*10000, RAND()*10000, d, e FROM t1;
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| INSERT INTO t1 (b,c,d,e) SELECT RAND()*10000, RAND()*10000, d, e FROM t1;
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| INSERT INTO t1 (b,c,d,e) SELECT RAND()*10000, RAND()*10000, d, e FROM t1;
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| INSERT INTO t1 (b,c,d,e) SELECT RAND()*10000, RAND()*10000, d, e FROM t1;
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| EXPLAIN SELECT * FROM t1 WHERE b=1 AND c=1 ORDER BY a;
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| EXPLAIN SELECT * FROM t1 FORCE INDEX(i2) WHERE b=1 and c=1 ORDER BY a;
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| EXPLAIN SELECT * FROM t1 FORCE INDEX(PRIMARY) WHERE b=1 AND c=1 ORDER BY a;
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| 
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| DROP TABLE t1;
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| 
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| --echo End of 5.1 tests
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