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Merge 10.11 into 11.0
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@ -5689,4 +5689,60 @@ EXECUTE stmt;
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COUNT(DISTINCT a)
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3
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DROP TABLE t1;
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#
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# MDEV-29294: Assertion `functype() == ((Item_cond *) new_item)->functype()'
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# failed in Item_cond::remove_eq_conds on SELECT
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#
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (1),(2),(3);
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# Test for nested OR conditions:
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SELECT * FROM t1 WHERE a = 1 AND
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(3 = 0 OR (SELECT a = 1 OR (SELECT 3 WHERE a = a) = 3));
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a
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1
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EXPLAIN EXTENDED
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SELECT * FROM t1 WHERE a = 1 AND
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(3 = 0 OR (SELECT a = 1 OR (SELECT 3 WHERE a = a) = 3));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using temporary
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3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
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Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
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Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
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Note 1249 Select 2 was reduced during optimization
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Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1 and (1 or <expr_cache><`test`.`t1`.`a`>((/* select#3 */ select 3 from DUAL where `test`.`t1`.`a` = `test`.`t1`.`a`)) = 3)
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PREPARE stmt FROM 'SELECT * FROM t1 WHERE a = 1 AND
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(3 = 0 OR (SELECT a = 1 OR (SELECT 3 WHERE a = a) = 3))';
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EXECUTE stmt;
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a
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1
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EXECUTE stmt;
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a
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1
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CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = 1 AND
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(3 = 0 OR (SELECT a = 1 OR (SELECT 3 WHERE a = a) = 3));
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SELECT * FROM v1;
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a
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1
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# Test for nested AND conditions:
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SELECT * FROM t1 WHERE a = 1 OR
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(3 = 3 AND (SELECT a = 1 AND (SELECT 3 WHERE a = a) = 3));
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a
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1
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PREPARE stmt FROM 'SELECT * FROM t1 WHERE a = 1 OR
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(3 = 3 AND (SELECT a = 1 AND (SELECT 3 WHERE a = a) = 3))';
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EXECUTE stmt;
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a
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1
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EXECUTE stmt;
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a
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1
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CREATE VIEW v2 AS SELECT * FROM t1 WHERE a = 1 OR
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(3 = 3 AND (SELECT a = 1 AND (SELECT 3 WHERE a = a) = 3));
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SELECT * FROM v2;
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a
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1
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DROP TABLE t1;
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DROP VIEW v1, v2;
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End of 10.0 tests
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