diff options
Diffstat (limited to 'mysql-test/suite/innodb/r/innodb_mysql.result')
| -rw-r--r-- | mysql-test/suite/innodb/r/innodb_mysql.result | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/mysql-test/suite/innodb/r/innodb_mysql.result b/mysql-test/suite/innodb/r/innodb_mysql.result index 7a164da41b5..b78988e08a8 100644 --- a/mysql-test/suite/innodb/r/innodb_mysql.result +++ b/mysql-test/suite/innodb/r/innodb_mysql.result @@ -3133,8 +3133,49 @@ ERROR 22007: Truncated incorrect datetime value: '' DROP TABLE t1; SET SQL_MODE=DEFAULT; # -# Bug#56862 Moved to innodb_16k.test +# Bug#56862 Execution of a query that uses index merge returns a wrong result # +CREATE TABLE t1 ( +pk int NOT NULL AUTO_INCREMENT PRIMARY KEY, +a int, +b int, +INDEX idx(a)) +ENGINE=INNODB; +INSERT INTO t1(a,b) VALUES +(11, 1100), (2, 200), (1, 100), (14, 1400), (5, 500), +(3, 300), (17, 1700), (4, 400), (12, 1200), (8, 800), +(6, 600), (18, 1800), (9, 900), (10, 1000), (7, 700), +(13, 1300), (15, 1500), (19, 1900), (16, 1600), (20, 2000); +INSERT INTO t1(a,b) SELECT a+20, b+2000 FROM t1; +INSERT INTO t1(a,b) SELECT a+40, b+4000 FROM t1; +INSERT INTO t1(a,b) SELECT a+80, b+8000 FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1(a,b) SELECT a,b FROM t1; +INSERT INTO t1 VALUES (1000000, 0, 0); +set @optimizer_switch_saved=@@optimizer_switch; +SET SESSION optimizer_switch='derived_merge=off'; +SET SESSION sort_buffer_size = 1024*36; +EXPLAIN +SELECT COUNT(*) FROM +(SELECT * FROM t1 FORCE INDEX (idx,PRIMARY) +WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 1537 +2 DERIVED t1 index_merge PRIMARY,idx idx,PRIMARY 5,4 NULL 1537 Using sort_union(idx,PRIMARY); Using where +SELECT COUNT(*) FROM +(SELECT * FROM t1 FORCE INDEX (idx,PRIMARY) +WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t; +COUNT(*) +1537 +set @@optimizer_switch=@optimizer_switch_saved; +SET SESSION sort_buffer_size = DEFAULT; +DROP TABLE t1; # # Test for bug #39932 "create table fails if column for FK is in different # case than in corr index". |