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ha_ndb blobs 2
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pekka@mysql.com
@@ -0,0 +1,249 @@
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--source include/have_ndb.inc
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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#
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# Minimal NDB blobs test.
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#
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# On NDB API level there is an extensive test program "testBlobs".
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# A prerequisite for this handler test is that "testBlobs" succeeds.
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#
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# make test harder with autocommit off
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set autocommit=0;
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create table t1 (
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a int not null primary key,
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b text not null,
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c int not null,
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d longblob,
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key (c)
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) engine=ndbcluster;
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# -- values --
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# x0 size 256 (current inline size)
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set @x0 = '01234567012345670123456701234567';
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set @x0 = concat(@x0,@x0,@x0,@x0,@x0,@x0,@x0,@x0);
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# b1 length 2000+256 (blob part aligned)
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set @b1 = 'b1';
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set @b1 = concat(@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1);
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set @b1 = concat(@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1);
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set @b1 = concat(@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1,@b1);
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set @b1 = concat(@b1,@x0);
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# d1 length 3000
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set @d1 = 'dd1';
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set @d1 = concat(@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1);
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set @d1 = concat(@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1);
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set @d1 = concat(@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1,@d1);
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# b2 length 20000
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set @b2 = 'b2';
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set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2);
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set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2);
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set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2);
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set @b2 = concat(@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2,@b2);
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# d2 length 30000
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set @d2 = 'dd2';
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set @d2 = concat(@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2);
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set @d2 = concat(@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2);
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set @d2 = concat(@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2);
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set @d2 = concat(@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2,@d2);
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select length(@x0),length(@b1),length(@d1) from dual;
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select length(@x0),length(@b2),length(@d2) from dual;
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# -- pk ops --
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insert into t1 values(1,@b1,111,@d1);
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insert into t1 values(2,@b2,222,@d2);
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commit;
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explain select * from t1 where a = 1;
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# pk read
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where a=1;
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select a,length(b),substr(b,1+2*9000,2),length(d),substr(d,1+3*9000,3)
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from t1 where a=2;
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# pk update
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update t1 set b=@b2,d=@d2 where a=1;
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update t1 set b=@b1,d=@d1 where a=2;
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commit;
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select a,length(b),substr(b,1+2*9000,2),length(d),substr(d,1+3*9000,3)
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from t1 where a=1;
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where a=2;
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# pk update
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update t1 set b=concat(b,b),d=concat(d,d) where a=1;
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update t1 set b=concat(b,b),d=concat(d,d) where a=2;
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commit;
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select a,length(b),substr(b,1+4*9000,2),length(d),substr(d,1+6*9000,3)
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from t1 where a=1;
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select a,length(b),substr(b,1+4*900,2),length(d),substr(d,1+6*900,3)
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from t1 where a=2;
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# pk update to null
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update t1 set d=null where a=1;
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commit;
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select a from t1 where d is null;
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# pk delete
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delete from t1 where a=1;
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delete from t1 where a=2;
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commit;
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select count(*) from t1;
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# -- hash index ops --
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insert into t1 values(1,@b1,111,@d1);
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insert into t1 values(2,@b2,222,@d2);
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commit;
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explain select * from t1 where c = 111;
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# hash key read
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where c=111;
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select a,length(b),substr(b,1+2*9000,2),length(d),substr(d,1+3*9000,3)
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from t1 where c=222;
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# hash key update
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update t1 set b=@b2,d=@d2 where c=111;
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update t1 set b=@b1,d=@d1 where c=222;
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commit;
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select a,length(b),substr(b,1+2*9000,2),length(d),substr(d,1+3*9000,3)
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from t1 where c=111;
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where c=222;
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# hash key update to null
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update t1 set d=null where c=111;
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commit;
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select a from t1 where d is null;
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# hash key delete
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delete from t1 where c=111;
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delete from t1 where c=222;
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commit;
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select count(*) from t1;
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# -- table scan ops, short values --
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insert into t1 values(1,'b1',111,'dd1');
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insert into t1 values(2,'b2',222,'dd2');
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insert into t1 values(3,'b3',333,'dd3');
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insert into t1 values(4,'b4',444,'dd4');
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insert into t1 values(5,'b5',555,'dd5');
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insert into t1 values(6,'b6',666,'dd6');
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insert into t1 values(7,'b7',777,'dd7');
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insert into t1 values(8,'b8',888,'dd8');
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insert into t1 values(9,'b9',999,'dd9');
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commit;
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explain select * from t1;
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# table scan read
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select * from t1 order by a;
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# table scan update
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update t1 set b=concat(a,'x',b),d=concat(a,'x',d);
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commit;
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select * from t1 order by a;
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# table scan delete
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delete from t1;
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commit;
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select count(*) from t1;
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# -- table scan ops, long values --
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insert into t1 values(1,@b1,111,@d1);
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insert into t1 values(2,@b2,222,@d2);
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commit;
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explain select * from t1;
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# table scan read
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 order by a;
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# table scan update
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update t1 set b=concat(b,b),d=concat(d,d);
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commit;
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select a,length(b),substr(b,1+4*9000,2),length(d),substr(d,1+6*9000,3)
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from t1 order by a;
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# table scan delete
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delete from t1;
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commit;
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select count(*) from t1;
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# -- range scan ops, short values --
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insert into t1 values(1,'b1',111,'dd1');
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insert into t1 values(2,'b2',222,'dd2');
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insert into t1 values(3,'b3',333,'dd3');
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insert into t1 values(4,'b4',444,'dd4');
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insert into t1 values(5,'b5',555,'dd5');
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insert into t1 values(6,'b6',666,'dd6');
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insert into t1 values(7,'b7',777,'dd7');
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insert into t1 values(8,'b8',888,'dd8');
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insert into t1 values(9,'b9',999,'dd9');
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commit;
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explain select * from t1 where c >= 100 order by a;
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# range scan read
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select * from t1 where c >= 100 order by a;
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# range scan update
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update t1 set b=concat(a,'x',b),d=concat(a,'x',d)
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where c >= 100;
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commit;
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select * from t1 where c >= 100 order by a;
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# range scan delete
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delete from t1 where c >= 100;
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commit;
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select count(*) from t1;
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# -- range scan ops, long values --
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insert into t1 values(1,@b1,111,@d1);
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insert into t1 values(2,@b2,222,@d2);
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commit;
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explain select * from t1 where c >= 100 order by a;
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# range scan read
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where c >= 100 order by a;
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# range scan update
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update t1 set b=concat(b,b),d=concat(d,d);
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commit;
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select a,length(b),substr(b,1+4*9000,2),length(d),substr(d,1+6*9000,3)
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from t1 where c >= 100 order by a;
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# range scan delete
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delete from t1 where c >= 100;
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commit;
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select count(*) from t1;
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# -- rollback --
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insert into t1 values(1,@b1,111,@d1);
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insert into t1 values(2,@b2,222,@d2);
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# 626
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where a = 0;
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where a = 1;
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 where a = 2;
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select a,length(b),substr(b,1+2*900,2),length(d),substr(d,1+3*900,3)
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from t1 order by a;
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rollback;
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select count(*) from t1;
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--drop table t1;
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