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################################################################################
# inc/gcol_partition.inc #
# #
# Purpose: #
# Testing partitioning tables with generated columns. #
# #
# #
# #
#------------------------------------------------------------------------------#
# Original Author: Andrey Zhakov #
# Original Date: 2008-09-04 #
# Change Author: #
# Change Date: #
# Change: #
################################################################################
--source include/have_partition.inc
--disable_warnings
drop table if exists t1;
--enable_warnings
--echo # Case 1. Partitioning by RANGE based on a non-stored generated column.
CREATE TABLE t1 (
a DATE NOT NULL,
b int generated always as (year(a)) virtual
)
PARTITION BY RANGE( b ) (
PARTITION p0 VALUES LESS THAN (2006),
PARTITION p2 VALUES LESS THAN (2008)
);
insert into t1 values ('2006-01-01',default);
insert into t1 values ('2007-01-01',default);
insert into t1 values ('2005-01-01',default);
select * from t1;
# Specifically for MyISAM, check that data is written into correct
# $MYSQLTEST_VARDIR/master-data/test/t1*p?.MYD files
--echo # Modify the expression of generated column b
ALTER TABLE t1 modify b int generated always as (year(a)-1) virtual;
select * from t1;
drop table t1;
--echo # Case 2. Partitioning by LIST based on a stored generated column.
CREATE TABLE t1 (a int, b int generated always as (a % 3 ) stored)
PARTITION BY LIST (a+1)
(PARTITION p1 VALUES IN (1), PARTITION p2 VALUES IN (2));
insert into t1 values (1,default);
select * from t1;
#
# NOTE: The following tests are currently failing due to a
# [suspected] bug in the existing partition functionality.
# Here is what was observed when using mysqld compiled prior
# to adding the generated column functionality.
# mysql> create table t1 (a int) partition by list (a)
# (partition p1 values in (1), partition p2 values in (2));
# Query OK, 0 rows affected (0.00 sec)
#
# mysql> insert into t1 values (1), (1), (2);
# Query OK, 3 rows affected (0.00 sec)
# Records: 3 Duplicates: 0 Warnings: 0
#
# mysql> select * from t1;
# +------+
# | a |
# +------+
# | 1 |
# | 1 |
# | 2 |
# +------+
# 3 rows in set (0.00 sec)
#
# mysql> alter table t1 reorganize partition p1 into
# (partition p1 values in (3));
# Query OK, 2 rows affected (3.90 sec)
# Records: 2 Duplicates: 2 Warnings: 0
#
# mysql> select * from t1;
# +------+
# | a |
# +------+
# | 2 | <- Two row have been lost!!!
# +------+
# 1 row in set (0.00 sec)
#
#alter table t1 change b b virtual int as ((a % 3)+1) stored;
#--error ER_NO_PARTITION_FOR_GIVEN_VALUE
#alter table t1 change b b virtual int as (a % 2) stored;
#if ($myisam_engine)
#{
# --echo # Check how data is physically partitioned.
# --replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
# --exec du -b $MYSQLTEST_VARDIR/master-data/test/t1*p?.MYD
#}
select * from t1;
drop table t1;
--echo # Case 3. Partitioning by HASH based on a non-stored generated column.
CREATE TABLE t1 (
a DATE NOT NULL,
b int generated always as (year(a)) virtual
)
PARTITION BY HASH( b % 3 ) PARTITIONS 3;
insert into t1 values ('2005-01-01',default);
insert into t1 values ('2006-01-01',default);
select * from t1;
--echo # Modify the expression of generated column b
ALTER TABLE t1 modify b int generated always as (year(a)-1) virtual;
select * from t1;
drop table t1;
--echo #
--echo # Bug#21779011 INVALID READS AND SENDING RANDOM SERVER MEMORY BACK
--echo # TO CLIENT
--echo #
CREATE TABLE t (
c INTEGER GENERATED ALWAYS AS (2) VIRTUAL,
d INTEGER,
KEY (d)
) PARTITION BY KEY (d) PARTITIONS 2;
INSERT INTO t (d) VALUES (1),(1),(2),(2);
SELECT c FROM t WHERE d >= 1 GROUP BY d LIMIT 2;
DROP TABLE t;
--echo #
--echo # Bug#21779554: CHECK_MISPLACED_ROWS BOGUS "FOUND A MISPLACED ROW"
--echo # AND CRASHES
--echo #
CREATE TABLE t(a INT,b INT GENERATED ALWAYS AS (1) VIRTUAL,c INT)
PARTITION BY KEY (b)PARTITIONS 6;
INSERT INTO t VALUES();
CHECK TABLE t EXTENDED;
FLUSH TABLES;
CHECK TABLE t EXTENDED;
DROP TABLE t;
--echo #
--echo # MDEV-18166 ASSERT_COLUMN_MARKED_FOR_READ failed on tables with vcols
--echo #
CREATE TABLE t1 (
a INT,
b INT,
c BIT(4) NOT NULL DEFAULT b'0',
pk INTEGER AUTO_INCREMENT,
d BIT(4) AS (c) VIRTUAL,
PRIMARY KEY(pk),
KEY (b,d)
) PARTITION BY HASH(pk);
INSERT INTO t1 () VALUES (),();
UPDATE t1 SET a = 0 WHERE b IS NULL ORDER BY pk;
DROP TABLE t1;
--echo #
--echo # MDEV-26220 Server crashes with indexed by prefix virtual column
--echo #
CREATE TABLE t1 (pk INT PRIMARY KEY, a INT, b CHAR(20), c CHAR(20) AS (b),
KEY (c(10),a)) PARTITION BY HASH(pk);
INSERT INTO t1 (pk,a,b) VALUES (1,10,'foo'),(2,11,'baz');
SELECT a FROM t1;
# Cleanup
DROP TABLE t1;
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