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Allow optimzation of multi-table-update also for InnoDB tables
MEMORY is alias for HEAP for CREATE TABLE ... TYPE=HEAP Fixed bug in multi-table-update where a row could be updated several times mysql-test/r/heap.result: Test of CREATE TABLE ... type=MEMORY mysql-test/r/innodb.result: Added multi-update-test mysql-test/r/multi_update.result: Added multi-update-test mysql-test/t/heap.test: Test of CREATE TABLE ... type=MEMORY mysql-test/t/innodb.test: Added multi-update-test mysql-test/t/multi_update.test: Added multi-update-test sql/ha_innodb.h: Allow optimzation of multi-table-update also for InnoDB tables sql/handler.h: Allow optimzation of multi-update also for InnoDB tables sql/key.cc: After merge fix sql/lex.h: MEMORY is alias for HEAP sql/sql_test.cc: Fixed wrong printf sql/sql_update.cc: Fixed bug in multi-table-update where a row could be updated several times sql/sql_yacc.yy: MEMORY is alias for HEAP
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13 changed files with 313 additions and 48 deletions
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@ -224,3 +224,31 @@ INSERT INTO t3 VALUES (1,'jedan'),(2,'dva');
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update t1,t2 set t1.naziv="aaaa" where t1.broj=t2.broj;
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update t1,t2,t3 set t1.naziv="bbbb", t2.naziv="aaaa" where t1.broj=t2.broj and t2.broj=t3.broj;
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drop table if exists t1,t2,t3;
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#
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# Test multi update with different join methods
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#
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CREATE TABLE t1 (a int not null primary key, b int not null, key (b));
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CREATE TABLE t2 (a int not null primary key, b int not null, key (b));
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INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
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INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
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# Full join, without key
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update t1,t2 set t1.a=t1.a+100;
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select * from t1;
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# unique key
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update t1,t2 set t1.a=t1.a+100 where t1.a=101;
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select * from t1;
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# ref key
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update t1,t2 set t1.b=t1.b+10 where t1.b=2;
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select * from t1;
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# Range key (in t1)
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update t1,t2 set t1.b=t1.b+2,t2.b=t1.b where t1.b between 3 and 5;
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select * from t1;
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select * from t2;
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drop table t1,t2;
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