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ee6f400fe1
- Key_value_records_iterator::get_next() should pass pointer to the key to handler->ha_index_next_same(). Because of a typo bug, pointer-to-pointer was passed instead in certain cases.
62 lines
1.7 KiB
Text
62 lines
1.7 KiB
Text
--disable_warnings
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drop table if exists t1,t2,t3;
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--enable_warnings
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--echo #
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--echo # MDEV-5976: TokuDB: Wrong query result using mrr=on
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--echo #
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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 (
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task_id int(10) unsigned NOT NULL AUTO_INCREMENT,
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`type` tinyint(3) DEFAULT NULL,
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filler1 varchar(256),
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filler2 varchar(256),
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PRIMARY KEY (`task_id`),
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KEY `ymtasks_type` (`type`)
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) ENGINE=TokuDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA;
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INSERT INTO t2 VALUES
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(1,1,'filler-data1','filler-data2'),
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(2,1,'filler-data1','filler-data2');
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CREATE TABLE t3 (
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`task_id` int(10) unsigned NOT NULL DEFAULT '0',
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`field` varchar(256) NOT NULL DEFAULT '',
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`value` varchar(4096) DEFAULT NULL,
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KEY `ymtasksoptions_task` (`task_id`),
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KEY `ymtasksoptions_field` (`field`)
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) ENGINE=TokuDB DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA;
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INSERT INTO t3
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select 1,
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concat('field-data-', A.a*10 + B.a),
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concat('field-data-', A.a*10 + B.a)
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from t1 A, t1 B
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where
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A.a*10 + B.a < 38;
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explain
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SELECT t3.task_id, t3.field FROM
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t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
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SELECT t3.task_id, t3.field FROM
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t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
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set @tmp5976_jcl=@@join_cache_level;
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set @tmp5976_os=@@optimizer_switch;
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set join_cache_level= 6;
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set optimizer_switch='mrr=on,mrr_sort_keys=on';
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explain
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SELECT t3.task_id, t3.field FROM
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t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
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SELECT t3.task_id, t3.field FROM
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t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
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drop table t1,t2,t3;
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set join_cache_level=@tmp5976_jcl;
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set optimizer_switch=@tmp5976_os;
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