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275 lines
10 KiB
Text
275 lines
10 KiB
Text
#---------------- 2-sweeps read Index merge test 2 -------------------------------
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SET SESSION STORAGE_ENGINE = InnoDB;
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drop table if exists t1;
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create table t1 (
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pk int primary key,
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key1 int,
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key2 int,
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filler char(200),
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filler2 char(200),
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index(key1),
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index(key2)
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);
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select * from t1 where (key1 >= 2 and key1 <= 10) or (pk >= 4 and pk <=8 );
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pk key1 key2 filler filler2
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2 2 2 filler-data filler-data-2
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3 3 3 filler-data filler-data-2
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9 9 9 filler-data filler-data-2
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10 10 10 filler-data filler-data-2
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4 4 4 filler-data filler-data-2
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5 5 5 filler-data filler-data-2
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6 6 6 filler-data filler-data-2
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7 7 7 filler-data filler-data-2
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8 8 8 filler-data filler-data-2
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set @maxv=1000;
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select * from t1 where
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(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10)
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or key1=18 or key1=60;
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pk key1 key2 filler filler2
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18 18 18 filler-data filler-data-2
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60 60 60 filler-data filler-data-2
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1 1 1 filler-data filler-data-2
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2 2 2 filler-data filler-data-2
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3 3 3 filler-data filler-data-2
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4 4 4 filler-data filler-data-2
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11 11 11 filler-data filler-data-2
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12 12 12 filler-data filler-data-2
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13 13 13 filler-data filler-data-2
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14 14 14 filler-data filler-data-2
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50 50 50 filler-data filler-data-2
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51 51 51 filler-data filler-data-2
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52 52 52 filler-data filler-data-2
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53 53 53 filler-data filler-data-2
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54 54 54 filler-data filler-data-2
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991 991 991 filler-data filler-data-2
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992 992 992 filler-data filler-data-2
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993 993 993 filler-data filler-data-2
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994 994 994 filler-data filler-data-2
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995 995 995 filler-data filler-data-2
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996 996 996 filler-data filler-data-2
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997 997 997 filler-data filler-data-2
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998 998 998 filler-data filler-data-2
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999 999 999 filler-data filler-data-2
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1000 1000 1000 filler-data filler-data-2
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select * from t1 where
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(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10)
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or key1 < 3 or key1 > @maxv-11;
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pk key1 key2 filler filler2
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990 990 990 filler-data filler-data-2
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1 1 1 filler-data filler-data-2
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2 2 2 filler-data filler-data-2
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3 3 3 filler-data filler-data-2
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4 4 4 filler-data filler-data-2
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11 11 11 filler-data filler-data-2
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12 12 12 filler-data filler-data-2
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13 13 13 filler-data filler-data-2
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14 14 14 filler-data filler-data-2
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50 50 50 filler-data filler-data-2
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51 51 51 filler-data filler-data-2
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52 52 52 filler-data filler-data-2
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53 53 53 filler-data filler-data-2
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54 54 54 filler-data filler-data-2
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991 991 991 filler-data filler-data-2
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992 992 992 filler-data filler-data-2
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993 993 993 filler-data filler-data-2
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994 994 994 filler-data filler-data-2
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995 995 995 filler-data filler-data-2
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996 996 996 filler-data filler-data-2
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997 997 997 filler-data filler-data-2
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998 998 998 filler-data filler-data-2
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999 999 999 filler-data filler-data-2
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1000 1000 1000 filler-data filler-data-2
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select * from t1 where
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(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10)
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or
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(key1 < 5) or (key1 > 10 and key1 < 15) or (key1 >= 50 and key1 < 55 ) or (key1 > @maxv-10);
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pk key1 key2 filler filler2
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1 1 1 filler-data filler-data-2
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2 2 2 filler-data filler-data-2
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3 3 3 filler-data filler-data-2
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4 4 4 filler-data filler-data-2
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11 11 11 filler-data filler-data-2
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12 12 12 filler-data filler-data-2
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13 13 13 filler-data filler-data-2
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14 14 14 filler-data filler-data-2
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50 50 50 filler-data filler-data-2
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51 51 51 filler-data filler-data-2
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52 52 52 filler-data filler-data-2
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53 53 53 filler-data filler-data-2
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54 54 54 filler-data filler-data-2
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991 991 991 filler-data filler-data-2
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992 992 992 filler-data filler-data-2
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993 993 993 filler-data filler-data-2
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994 994 994 filler-data filler-data-2
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995 995 995 filler-data filler-data-2
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996 996 996 filler-data filler-data-2
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997 997 997 filler-data filler-data-2
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998 998 998 filler-data filler-data-2
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999 999 999 filler-data filler-data-2
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1000 1000 1000 filler-data filler-data-2
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select * from t1 where
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(pk > 10 and pk < 15) or (pk >= 50 and pk < 55 )
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or
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(key1 < 5) or (key1 > @maxv-10);
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pk key1 key2 filler filler2
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1 1 1 filler-data filler-data-2
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2 2 2 filler-data filler-data-2
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3 3 3 filler-data filler-data-2
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4 4 4 filler-data filler-data-2
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991 991 991 filler-data filler-data-2
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992 992 992 filler-data filler-data-2
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993 993 993 filler-data filler-data-2
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994 994 994 filler-data filler-data-2
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995 995 995 filler-data filler-data-2
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996 996 996 filler-data filler-data-2
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997 997 997 filler-data filler-data-2
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998 998 998 filler-data filler-data-2
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999 999 999 filler-data filler-data-2
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1000 1000 1000 filler-data filler-data-2
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11 11 11 filler-data filler-data-2
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12 12 12 filler-data filler-data-2
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13 13 13 filler-data filler-data-2
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14 14 14 filler-data filler-data-2
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50 50 50 filler-data filler-data-2
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51 51 51 filler-data filler-data-2
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52 52 52 filler-data filler-data-2
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53 53 53 filler-data filler-data-2
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54 54 54 filler-data filler-data-2
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drop table t1;
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#---------------- Clustered PK ROR-index_merge tests -----------------------------
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SET SESSION STORAGE_ENGINE = InnoDB;
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drop table if exists t1;
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create table t1
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(
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pk1 int not null,
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pk2 int not null,
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key1 int not null,
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key2 int not null,
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pktail1ok int not null,
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pktail2ok int not null,
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pktail3bad int not null,
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pktail4bad int not null,
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pktail5bad int not null,
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pk2copy int not null,
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badkey int not null,
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filler1 char (200),
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filler2 char (200),
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key (key1),
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key (key2),
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/* keys with tails from CPK members */
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key (pktail1ok, pk1),
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key (pktail2ok, pk1, pk2),
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key (pktail3bad, pk2, pk1),
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key (pktail4bad, pk1, pk2copy),
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key (pktail5bad, pk1, pk2, pk2copy),
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primary key (pk1, pk2)
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);
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explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 9 Using where
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select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
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pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2
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1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2
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1 11 0 0 0 0 0 0 0 11 0 filler-data-11 filler2
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1 12 0 0 0 0 0 0 0 12 0 filler-data-12 filler2
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1 13 0 0 0 0 0 0 0 13 0 filler-data-13 filler2
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1 14 0 0 0 0 0 0 0 14 0 filler-data-14 filler2
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1 15 0 0 0 0 0 0 0 15 0 filler-data-15 filler2
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1 16 0 0 0 0 0 0 0 16 0 filler-data-16 filler2
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1 17 0 0 0 0 0 0 0 17 0 filler-data-17 filler2
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1 18 0 0 0 0 0 0 0 18 0 filler-data-18 filler2
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1 19 0 0 0 0 0 0 0 19 0 filler-data-19 filler2
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explain select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where; Using index
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select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1;
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pk1 pk2
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95 50
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95 51
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95 52
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95 53
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95 54
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95 55
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95 56
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95 57
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95 58
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95 59
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explain select * from t1 where badkey=1 and key1=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref key1 key1 4 const 100 Using where
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explain select * from t1 where pk1 < 7500 and key1 = 10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index_merge PRIMARY,key1 key1,PRIMARY 4,4 NULL ROWS Using intersect(key1,PRIMARY); Using where
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explain select * from t1 where pktail1ok=1 and key1=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index_merge key1,pktail1ok key1,pktail1ok 4,4 NULL 1 Using intersect(key1,pktail1ok); Using where
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explain select * from t1 where pktail2ok=1 and key1=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index_merge key1,pktail2ok key1,pktail2ok 4,4 NULL 1 Using intersect(key1,pktail2ok); Using where
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explain select * from t1 where (pktail2ok=1 and pk1< 50000) or key1=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index_merge PRIMARY,key1,pktail2ok pktail2ok,key1 8,4 NULL 199 Using sort_union(pktail2ok,key1); Using where
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explain select * from t1 where pktail3bad=1 and key1=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref key1,pktail3bad key1 4 const 100 Using where
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explain select * from t1 where pktail4bad=1 and key1=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref key1,pktail4bad key1 4 const 100 Using where
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explain select * from t1 where pktail5bad=1 and key1=10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref key1,pktail5bad key1 4 const 100 Using where
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explain select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where; Using index
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select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10;
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pk1 pk2 key1 key2
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95 50 10 10
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95 51 10 10
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95 52 10 10
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95 53 10 10
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95 54 10 10
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95 55 10 10
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95 56 10 10
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95 57 10 10
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95 58 10 10
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95 59 10 10
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drop table t1;
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create table t1
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(
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RUNID varchar(22),
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SUBMITNR varchar(5),
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ORDERNR char(1),
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PROGRAMM varchar(8),
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TESTID varchar(4),
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UCCHECK char(1),
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ETEXT varchar(80),
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ETEXT_TYPE char(1),
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INFO char(1),
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SEVERITY tinyint(3),
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TADIRFLAG char(1),
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PRIMARY KEY (RUNID,SUBMITNR,ORDERNR,PROGRAMM,TESTID,UCCHECK),
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KEY `TVERM~KEY` (PROGRAMM,TESTID,UCCHECK)
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) DEFAULT CHARSET=latin1;
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update t1 set `ETEXT` = '', `ETEXT_TYPE`='', `INFO`='', `SEVERITY`='', `TADIRFLAG`=''
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WHERE
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`RUNID`= '' AND `SUBMITNR`= '' AND `ORDERNR`='' AND `PROGRAMM`='' AND
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`TESTID`='' AND `UCCHECK`='';
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drop table t1;
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#
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# Bug#50402 Optimizer producing wrong results when using Index Merge on InnoDB
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#
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CREATE TABLE t1 (f1 INT, PRIMARY KEY (f1));
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INSERT INTO t1 VALUES (2);
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CREATE TABLE t2 (f1 INT, f2 INT, f3 char(1),
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PRIMARY KEY (f1), KEY (f2), KEY (f3) );
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INSERT INTO t2 VALUES (1, 1, 'h'), (2, 3, 'h'), (3, 2, ''), (4, 2, '');
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SELECT t1.f1 FROM t1
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WHERE (SELECT COUNT(*) FROM t2 WHERE t2.f3 = 'h' AND t2.f2 = t1.f1) = 0 AND t1.f1 = 2;
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f1
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2
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EXPLAIN SELECT t1.f1 FROM t1
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WHERE (SELECT COUNT(*) FROM t2 WHERE t2.f3 = 'h' AND t2.f2 = t1.f1) = 0 AND t1.f1 = 2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1 Using index
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2 DEPENDENT SUBQUERY t2 index_merge f2,f3 f3,f2 2,5 NULL 1 Using intersect(f3,f2); Using where; Using index
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DROP TABLE t1,t2;
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