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155 lines
5 KiB
PHP
155 lines
5 KiB
PHP
################################################################################
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# inc/gcol_partition.inc #
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# #
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# Purpose: #
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# Testing partitioning tables with generated columns. #
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# #
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# #
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# #
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#------------------------------------------------------------------------------#
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# Original Author: Andrey Zhakov #
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# Original Date: 2008-09-04 #
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# Change Author: #
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# Change Date: #
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# Change: #
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################################################################################
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--source include/have_partition.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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--echo # Case 1. Partitioning by RANGE based on a non-stored generated column.
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CREATE TABLE t1 (
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a DATE NOT NULL,
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b int generated always as (year(a)) virtual
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)
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PARTITION BY RANGE( b ) (
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PARTITION p0 VALUES LESS THAN (2006),
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PARTITION p2 VALUES LESS THAN (2008)
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);
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insert into t1 values ('2006-01-01',default);
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insert into t1 values ('2007-01-01',default);
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insert into t1 values ('2005-01-01',default);
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select * from t1;
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# Specifically for MyISAM, check that data is written into correct
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# $MYSQLTEST_VARDIR/master-data/test/t1*p?.MYD files
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--echo # Modify the expression of generated column b
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ALTER TABLE t1 modify b int generated always as (year(a)-1) virtual;
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select * from t1;
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drop table t1;
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--echo # Case 2. Partitioning by LIST based on a stored generated column.
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CREATE TABLE t1 (a int, b int generated always as (a % 3 ) stored)
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PARTITION BY LIST (a+1)
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(PARTITION p1 VALUES IN (1), PARTITION p2 VALUES IN (2));
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insert into t1 values (1,default);
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select * from t1;
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#
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# NOTE: The following tests are currently failing due to a
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# [suspected] bug in the existing partition functionality.
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# Here is what was observed when using mysqld compiled prior
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# to adding the generated column functionality.
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# mysql> create table t1 (a int) partition by list (a)
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# (partition p1 values in (1), partition p2 values in (2));
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# Query OK, 0 rows affected (0.00 sec)
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#
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# mysql> insert into t1 values (1), (1), (2);
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# Query OK, 3 rows affected (0.00 sec)
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# Records: 3 Duplicates: 0 Warnings: 0
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#
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# mysql> select * from t1;
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# +------+
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# | a |
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# +------+
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# | 1 |
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# | 1 |
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# | 2 |
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# +------+
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# 3 rows in set (0.00 sec)
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#
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# mysql> alter table t1 reorganize partition p1 into
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# (partition p1 values in (3));
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# Query OK, 2 rows affected (3.90 sec)
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# Records: 2 Duplicates: 2 Warnings: 0
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#
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# mysql> select * from t1;
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# +------+
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# | a |
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# +------+
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# | 2 | <- Two row have been lost!!!
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# +------+
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# 1 row in set (0.00 sec)
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#
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#alter table t1 change b b virtual int as ((a % 3)+1) stored;
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#--error ER_NO_PARTITION_FOR_GIVEN_VALUE
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#alter table t1 change b b virtual int as (a % 2) stored;
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#if ($myisam_engine)
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#{
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# --echo # Check how data is physically partitioned.
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# --replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
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# --exec du -b $MYSQLTEST_VARDIR/master-data/test/t1*p?.MYD
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#}
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select * from t1;
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drop table t1;
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--echo # Case 3. Partitioning by HASH based on a non-stored generated column.
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CREATE TABLE t1 (
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a DATE NOT NULL,
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b int generated always as (year(a)) virtual
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)
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PARTITION BY HASH( b % 3 ) PARTITIONS 3;
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insert into t1 values ('2005-01-01',default);
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insert into t1 values ('2006-01-01',default);
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select * from t1;
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--echo # Modify the expression of generated column b
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ALTER TABLE t1 modify b int generated always as (year(a)-1) virtual;
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select * from t1;
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drop table t1;
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--echo #
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--echo # Bug#21779011 INVALID READS AND SENDING RANDOM SERVER MEMORY BACK
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--echo # TO CLIENT
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--echo #
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CREATE TABLE t (
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c INTEGER GENERATED ALWAYS AS (2) VIRTUAL,
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d INTEGER,
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KEY (d)
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) PARTITION BY KEY (d) PARTITIONS 2;
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INSERT INTO t (d) VALUES (1),(1),(2),(2);
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SELECT c FROM t WHERE d >= 1 GROUP BY d LIMIT 2;
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DROP TABLE t;
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--echo #
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--echo # Bug#21779554: CHECK_MISPLACED_ROWS BOGUS "FOUND A MISPLACED ROW"
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--echo # AND CRASHES
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--echo #
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CREATE TABLE t(a INT,b INT GENERATED ALWAYS AS (1) VIRTUAL,c INT)
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PARTITION BY KEY (b)PARTITIONS 6;
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INSERT INTO t VALUES();
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CHECK TABLE t EXTENDED;
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FLUSH TABLES;
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CHECK TABLE t EXTENDED;
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DROP TABLE t;
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