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149 lines
4 KiB
Text
149 lines
4 KiB
Text
#
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# Tests for range access and descending indexes
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#
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--source include/have_sequence.inc
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--source include/have_innodb.inc
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# The test uses optimizer trace:
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--source include/not_embedded.inc
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create table t1 (
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a int,
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key (a desc)
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);
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insert into t1 select seq from seq_1_to_1000;
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set optimizer_trace=1;
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explain select * from t1 force index(a) where a in (2, 4, 6);
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#Enable after fix MDEV-32034
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--disable_view_protocol
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select json_detailed(json_extract(trace, '$**.range_access_plan.ranges')) as jd
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from information_schema.optimizer_trace;
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set optimizer_trace=default;
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--enable_view_protocol
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--echo # These should go in reverse order:
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select * from t1 force index(a) where a in (2, 4, 6);
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drop table t1;
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--echo #
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--echo # Multi-part key tests
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--echo #
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create table t1 (
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a int not null,
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b int not null,
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key ab(a, b desc)
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);
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insert into t1 select A.seq, B.seq*10 from seq_1_to_10 A, seq_1_to_10 B;
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set optimizer_trace=1;
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explain select * from t1 force index(ab) where a>=8 and b>=50;
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#Enable after fix MDEV-32034
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--disable_view_protocol
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select json_detailed(json_extract(trace, '$**.range_access_plan.ranges')) as jd
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from information_schema.optimizer_trace;
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--enable_view_protocol
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explain select * from t1 force index(ab) where a>=8 and b<=50;
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#Enable after fix MDEV-32034
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--disable_view_protocol
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select json_detailed(json_extract(trace, '$**.range_access_plan.ranges')) as jd
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from information_schema.optimizer_trace;
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--enable_view_protocol
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select * from t1 force index(ab) where a>=8 and b<=50;
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select * from t1 ignore index(ab) where a>=8 and b<=50 order by a, b desc;
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explain
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select * from t1 where a between 2 and 4 and b between 50 and 80;
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#Enable after fix MDEV-32034
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--disable_view_protocol
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select json_detailed(json_extract(trace, '$**.range_access_plan.ranges')) as jd
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from information_schema.optimizer_trace;
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--enable_view_protocol
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select * from t1 where a between 2 and 4 and b between 50 and 80;
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drop table t1;
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create table t2 (
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a int not null,
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b int not null,
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key ab(a desc, b desc)
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);
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insert into t2 select A.seq, B.seq*10 from seq_1_to_10 A, seq_1_to_10 B;
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explain
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select * from t2 where a between 2 and 4;
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#Enable after fix MDEV-32034
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--disable_view_protocol
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select json_detailed(json_extract(trace, '$**.range_access_plan.ranges')) as jd
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from information_schema.optimizer_trace;
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--enable_view_protocol
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explain
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select * from t2 where a between 2 and 4 and b between 50 and 80;
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#Enable after fix MDEV-32034
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--disable_view_protocol
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select json_detailed(json_extract(trace, '$**.range_access_plan.ranges')) as jd
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from information_schema.optimizer_trace;
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--enable_view_protocol
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drop table t2;
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--echo #
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--echo # Check that "Using index for group-by" is disabled (it's not supported, yet)
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--echo #
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CREATE TABLE t1 (p int NOT NULL, a int NOT NULL, PRIMARY KEY (p,a desc));
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insert into t1 select 2,seq from seq_0_to_1000;
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EXPLAIN select MIN(a) from t1 where p = 2 group by p;
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#Enable after fix MDEV-32034
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--disable_view_protocol
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select json_detailed(json_extract(trace, '$**.potential_group_range_indexes')) as jd
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from information_schema.optimizer_trace;
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--enable_view_protocol
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drop table t1;
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set optimizer_trace=default;
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--echo #
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--echo # MDEV-27426: Wrong result upon query using index_merge with DESC key
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--echo #
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CREATE TABLE t1 (pk INT, a INT, b int, KEY(a), PRIMARY KEY(pk DESC))
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ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1,4,5),(2,9,6),(3,NULL,7),(4,NULL,8);
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SELECT * FROM t1 WHERE pk > 10 OR a > 0;
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DROP TABLE t1;
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--echo #
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--echo # MDEV-27529: Wrong result upon query using index_merge with DESC key (#2)
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--echo #
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create table t1 (
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pk int,
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a int,
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b int,
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primary key(pk desc),
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key(a),
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key(b)
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) engine=innodb;
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insert into t1 values (0, 111111, 255);
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insert into t1 select seq+50000, NULL, seq+1000 from seq_1_to_260;
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insert into t1 values (10000, NULL, 255);
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insert into t1 select seq+20000, seq+20000, seq+20000 from seq_1_to_1500;
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analyze table t1;
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--echo # Must use ROR-intersect:
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explain select * from t1 where b = 255 AND a IS NULL;
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select * from t1 where b = 255 AND a IS NULL;
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drop table t1;
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