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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 12:24:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 12:24:36 +0000 |
commit | 06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/include/index_merge_ror_cpk.inc | |
parent | Initial commit. (diff) | |
download | mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/include/index_merge_ror_cpk.inc')
-rw-r--r-- | mysql-test/include/index_merge_ror_cpk.inc | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/mysql-test/include/index_merge_ror_cpk.inc b/mysql-test/include/index_merge_ror_cpk.inc new file mode 100644 index 00000000..9ebca3cd --- /dev/null +++ b/mysql-test/include/index_merge_ror_cpk.inc @@ -0,0 +1,139 @@ +# include/index_merge_ror_cpk.inc +# +# Clustered PK ROR-index_merge tests +# +# Note: The comments/expectations refer to InnoDB. +# They might be not valid for other storage engines. +# +# Last update: +# 2006-08-02 ML test refactored +# old name was t/index_merge_ror_cpk.test +# main code went into include/index_merge_ror_cpk.inc +# + +--source include/have_sequence.inc + +--echo #---------------- Clustered PK ROR-index_merge tests ----------------------------- + +create table t1 +( + pk1 int not null, + pk2 int not null, + + key1 int not null, + key2 int not null, + + pktail1ok int not null, + pktail2ok int not null, + pktail3bad int not null, + pktail4bad int not null, + pktail5bad int not null, + + pk2copy int not null, + badkey int not null, + + filler1 char (200), + filler2 char (200), + key (key1), + key (key2), + + /* keys with tails from CPK members */ + key (pktail1ok, pk1), + key (pktail2ok, pk1, pk2), + key (pktail3bad, pk2, pk1), + key (pktail4bad, pk1, pk2copy), + key (pktail5bad, pk1, pk2, pk2copy), + + primary key (pk1, pk2) +); + +--disable_query_log +begin; +let $1=10000; +while ($1) +{ + eval insert into t1 values ($1 div 10,$1 mod 100, $1/100,$1/100, $1/100,$1/100,$1/100,$1/100,$1/100, $1 mod 100, $1/1000,'filler-data-$1','filler2'); + dec $1; +} +commit; +--enable_query_log + +# Verify that range scan on CPK is ROR +# (use index_intersection because it is impossible to check that for index union) +explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; +# CPK scan + 1 ROR range scan is a special case +select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; + +# Verify that CPK fields are considered to be covered by index scans +explain select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; +select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; + +# Verify that CPK is always used for index intersection scans +# (this is because it is used as a filter, not for retrieval) +explain select * from t1 where badkey=1 and key1=10; +set @tmp_index_merge_ror_cpk=@@optimizer_switch; +set optimizer_switch='extended_keys=off'; +--replace_column 9 ROWS +explain select * from t1 where pk1 < 7500 and key1 = 10; +set optimizer_switch=@tmp_index_merge_ror_cpk; + +# Verify that keys with 'tails' of PK members are ok. +explain select * from t1 where pktail1ok=1 and key1=10; +explain select * from t1 where pktail2ok=1 and key1=10; + +# Note: The following is actually a deficiency, it uses sort_union currently. +# This comment refers to InnoDB and is probably not valid for other engines. +explain select * from t1 where (pktail2ok=1 and pk1< 50000) or key1=10; + +# The expected rows differs a bit from platform to platform +--replace_result 98 ROWS 99 ROWS +explain select * from t1 where pktail3bad=1 and key1=10; +explain select * from t1 where pktail4bad=1 and key1=10; +explain select * from t1 where pktail5bad=1 and key1=10; + +# Test for problem with innodb key values prefetch buffer: +explain select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; +select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; + +drop table t1; +# Testcase for BUG#4984 +create table t1 +( + RUNID varchar(22), + SUBMITNR varchar(5), + ORDERNR char(1), + PROGRAMM varchar(8), + TESTID varchar(4), + UCCHECK char(1), + ETEXT varchar(80), + ETEXT_TYPE char(1), + INFO char(1), + SEVERITY tinyint(3), + TADIRFLAG char(1), + PRIMARY KEY (RUNID,SUBMITNR,ORDERNR,PROGRAMM,TESTID,UCCHECK), + KEY `TVERM~KEY` (PROGRAMM,TESTID,UCCHECK) +) DEFAULT CHARSET=latin1; + +update t1 set `ETEXT` = '', `ETEXT_TYPE`='', `INFO`='', `SEVERITY`='', `TADIRFLAG`='' +WHERE + `RUNID`= '' AND `SUBMITNR`= '' AND `ORDERNR`='' AND `PROGRAMM`='' AND + `TESTID`='' AND `UCCHECK`=''; + +drop table t1; + +--echo # +--echo # Bug#50402 Optimizer producing wrong results when using Index Merge on InnoDB +--echo # +CREATE TABLE t1 (f1 INT, PRIMARY KEY (f1)); +INSERT INTO t1 VALUES (2); +CREATE TABLE t2 (f1 INT, f2 INT, f3 char(1), + PRIMARY KEY (f1), KEY (f2), KEY (f3) ); +INSERT INTO t2 VALUES (1, 1, 'h'), (2, 3, 'h'), (3, 2, ''), (4, 2, ''); + +SELECT t1.f1 FROM t1 +WHERE (SELECT COUNT(*) FROM t2 WHERE t2.f3 = 'h' AND t2.f2 = t1.f1) = 0 AND t1.f1 = 2; + +EXPLAIN SELECT t1.f1 FROM t1 +WHERE (SELECT COUNT(*) FROM t2 WHERE t2.f3 = 'h' AND t2.f2 = t1.f1) = 0 AND t1.f1 = 2; + +DROP TABLE t1,t2; |