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c9a349488b
The patch imposes unconditional materialization for derived tables used in update and multi-update statements. Fixed a bug with a wrong order of processing derived tables/views at the prepare stage that caused a crash for the variant of the query from test case for bug 52157.
84 lines
1.6 KiB
Text
84 lines
1.6 KiB
Text
CREATE TABLE bug38999_1 (a int not null primary key, b int not null, key (b)) engine=innodb;
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CREATE TABLE bug38999_2 (a int not null primary key, b int not null, key (b)) engine=innodb;
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INSERT INTO bug38999_1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12);
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INSERT INTO bug38999_2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
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update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100;
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select * from bug38999_1;
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a b
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101 1
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102 2
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103 3
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104 4
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105 5
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106 6
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107 7
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108 8
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109 9
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110 10
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111 11
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112 12
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update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100 where bug38999_1.a=101;
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select * from bug38999_1;
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a b
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201 1
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102 2
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103 3
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104 4
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105 5
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106 6
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107 7
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108 8
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109 9
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110 10
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111 11
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112 12
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update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+10 where bug38999_1.b=2;
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select * from bug38999_1;
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a b
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201 1
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103 3
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104 4
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105 5
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106 6
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107 7
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108 8
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109 9
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110 10
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111 11
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102 12
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112 12
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update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+2,bug38999_2.b=bug38999_1.b+10 where bug38999_1.b between 3 and 5 and bug38999_1.a=bug38999_2.a+100;
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select * from bug38999_1;
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a b
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201 1
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103 5
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104 6
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106 6
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105 7
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107 7
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108 8
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109 9
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110 10
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111 11
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102 12
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112 12
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select * from bug38999_2;
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a b
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1 1
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2 2
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6 6
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7 7
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8 8
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9 9
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3 13
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4 14
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5 15
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drop table bug38999_1,bug38999_2;
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#
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# Bug#54475 improper error handling causes cascading crashing failures in innodb/ndb
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#
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CREATE TABLE t1(f1 INT) ENGINE=INNODB;
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INSERT INTO t1 VALUES(1);
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UPDATE (SELECT ((SELECT 1 FROM t1), 1) FROM t1 WHERE (SELECT 1 FROM t1)) x, (SELECT 1) AS d SET d.f1 = 1;
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ERROR 21000: Operand should contain 1 column(s)
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DROP TABLE t1;
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