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Merge bk-internal.mysql.com:/home/bk/mysql-4.1
into mashka.mysql.fi:/home/my/mysql-4.1
This commit is contained in:
commit
b60aea4058
4 changed files with 60 additions and 1 deletions
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@ -117,6 +117,7 @@ serg@serg.mylan
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serg@serg.mysql.com
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serg@sergbook.mylan
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serg@sergbook.mysql.com
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sergefp@mysql.com
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sinisa@rhols221.adsl.netsonic.fi
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tfr@beta.frontier86.ee
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tfr@indrek.tfr.cafe.ee
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@ -341,3 +341,25 @@ select t1.a, t1.b,t2.a, t2.b from t1 left join t2 on t1.a=t2.a where t1.b=1 and
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a b a b
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2 2 NULL NULL
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drop table t1,t2;
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create table t1 ( a int not null, b int not null) ;
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alter table t1 add index i1(a);
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delete from t1 where a > 2000000;
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create table t2 like t1;
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insert into t2 select * from t1;
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select 't2 rows before small delete', count(*) from t1;
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t2 rows before small delete count(*)
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t2 rows before small delete 2000000
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delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 2;
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select 't2 rows after small delete', count(*) from t2;
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t2 rows after small delete count(*)
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t2 rows after small delete 1999999
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select 't1 rows after small delete', count(*) from t1;
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t1 rows after small delete count(*)
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t1 rows after small delete 1999999
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delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 100*1000;
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select 't2 rows after big delete', count(*) from t2;
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t2 rows after big delete count(*)
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t2 rows after big delete 1900001
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select 't1 rows after big delete', count(*) from t1;
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t1 rows after big delete count(*)
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t1 rows after big delete 1900001
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@ -275,3 +275,38 @@ insert into t2 values (1,1), (3,1);
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update t1 left join t2 on t1.a=t2.a set t1.b=2, t2.b=2 where t1.b=1 and t2.b=1 or t2.a is NULL;
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select t1.a, t1.b,t2.a, t2.b from t1 left join t2 on t1.a=t2.a where t1.b=1 and t2.b=1 or t2.a is NULL;
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drop table t1,t2;
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#
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# Test for bug #1820.
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#
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create table t1 ( a int not null, b int not null) ;
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--disable_query_log
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insert into t1 values (1,1),(2,2),(3,3),(4,4);
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let $1=19;
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set @d=4;
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while ($1)
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{
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eval insert into t1 select a+@d,b+@d from t1;
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eval set @d=@d*2;
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dec $1;
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}
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--enable_query_log
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alter table t1 add index i1(a);
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delete from t1 where a > 2000000;
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create table t2 like t1;
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insert into t2 select * from t1;
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select 't2 rows before small delete', count(*) from t1;
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delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 2;
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select 't2 rows after small delete', count(*) from t2;
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select 't1 rows after small delete', count(*) from t1;
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## Try deleting many rows
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delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 100*1000;
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select 't2 rows after big delete', count(*) from t2;
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select 't1 rows after big delete', count(*) from t1;
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#drop table t1,t2;
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@ -132,7 +132,8 @@ bool Unique::get(TABLE *table)
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bzero((char*) &sort_param,sizeof(sort_param));
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sort_param.max_rows= elements;
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sort_param.sort_form=table;
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sort_param.sort_length=sort_param.ref_length=tree.size_of_element;
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sort_param.rec_length= sort_param.sort_length=sort_param.ref_length=
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tree.size_of_element;
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sort_param.keys= max_in_memory_size / sort_param.sort_length;
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sort_param.not_killable=1;
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