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f486bfbbdb
column
When the storage engine uses secondary keys clustered with the primary key MySQL was
adding the primary key parts to each secondary key.
In doing so it was not checking whether the index was on full columns and this
resulted in the secondary keys being added to the list of covering keys even if
they have partial columns.
Fixed by not adding a primary key part to the list of columns that can be used
for index read of the secondary keys when the primary key part is a partial key part.
81 lines
2.4 KiB
Text
81 lines
2.4 KiB
Text
# t/innodb_mysql.test
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#
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# Last update:
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# 2006-07-26 ML test refactored (MySQL 5.1)
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# main testing code t/innodb_mysql.test -> include/mix1.inc
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#
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-- source include/have_innodb.inc
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let $engine_type= InnoDB;
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let $other_engine_type= MEMORY;
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# InnoDB does support FOREIGN KEYFOREIGN KEYs
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let $test_foreign_keys= 1;
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set global innodb_support_xa=default;
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set session innodb_support_xa=default;
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--source include/mix1.inc
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--disable_warnings
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drop table if exists t1, t2, t3;
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--enable_warnings
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#
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# BUG#35850: Performance regression in 5.1.23/5.1.24
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#
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create table t1(a int);
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insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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create table t2 (a int, b int, pk int, key(a,b), primary key(pk)) engine=innodb;
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insert into t2 select @a:=A.a+10*(B.a + 10*C.a),@a, @a from t1 A, t1 B, t1 C;
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--echo this must use key 'a', not PRIMARY:
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--replace_column 9 #
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explain select a from t2 where a=b;
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drop table t1, t2;
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#
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# Bug #40360: Binlog related errors with binlog off
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#
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# This bug is triggered when the binlog format is STATEMENT and the
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# binary log is turned off. In this case, no error should be shown for
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# the statement since there are no replication issues.
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SET SESSION BINLOG_FORMAT=STATEMENT;
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SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
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query_vertical select @@session.sql_log_bin, @@session.binlog_format, @@session.tx_isolation;
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CREATE TABLE t1 ( a INT ) ENGINE=InnoDB;
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INSERT INTO t1 VALUES(1);
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DROP TABLE t1;
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#
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# Bug #37742: HA_EXTRA_KEYREAD flag is set when key contains only prefix of
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# requested column
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#
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CREATE TABLE foo (a int, b int, c char(10),
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PRIMARY KEY (c(3)),
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KEY b (b)
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) engine=innodb;
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CREATE TABLE foo2 (a int, b int, c char(10),
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PRIMARY KEY (c),
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KEY b (b)
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) engine=innodb;
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CREATE TABLE bar (a int, b int, c char(10),
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PRIMARY KEY (c(3)),
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KEY b (b)
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) engine=myisam;
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INSERT INTO foo VALUES
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(1,2,'abcdefghij'), (2,3,''), (3,4,'klmnopqrst'),
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(4,5,'uvwxyz'), (5,6,'meotnsyglt'), (4,5,'asfdewe');
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INSERT INTO bar SELECT * FROM foo;
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INSERT INTO foo2 SELECT * FROM foo;
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--query_vertical EXPLAIN SELECT c FROM bar WHERE b>2;
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--query_vertical EXPLAIN SELECT c FROM foo WHERE b>2;
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--query_vertical EXPLAIN SELECT c FROM foo2 WHERE b>2;
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--query_vertical EXPLAIN SELECT c FROM bar WHERE c>2;
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--query_vertical EXPLAIN SELECT c FROM foo WHERE c>2;
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--query_vertical EXPLAIN SELECT c FROM foo2 WHERE c>2;
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DROP TABLE foo, bar, foo2;
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