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# Copyright (C) 2008-2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
# USA
query:
select | select | select | select | select | select |
select | select | select | select | select | select |
select | select | select | select | select | select |
insert | update | delete | insert | update | delete |
insert | update | delete | insert | update | delete |
insert | update | delete | insert | update | delete |
create | create | drop | alter |
cache_index | load_index |
set_key_buffer_size | set_key_cache_block_size ;
cache_index:
CACHE INDEX table_name /*!50400 PARTITION ( ALL ) */ IN cache_name |
CACHE INDEX table_name /*!50400 PARTITION ( partition_name_list ) */ IN cache_name ;
load_index:
LOAD INDEX INTO CACHE table_name /*!50400 PARTITION ( ALL ) */ ignore_leaves |
LOAD INDEX INTO CACHE table_name /*!50400 PARTITION ( partition_name_list ) */ ignore_leaves ;
ignore_leaves:
| IGNORE LEAVES ;
set_key_buffer_size:
/*!50400 SET GLOBAL cache_name . key_buffer_size = _tinyint_unsigned */ |
/*!50400 SET GLOBAL cache_name . key_buffer_size = _smallint_unsigned */ |
/*!50400 SET GLOBAL cache_name . key_buffer_size = _mediumint_unsigned */ ;
set_key_cache_block_size:
/*!50400 SET GLOBAL key_cache_block_size = key_cache_block_size_enum */ ;
key_cache_block_size_enum:
512 | 1024 | 2048 | 4096 | 8192 | 16384 ;
cache_name:
c1 | c2 | c3 | c4;
select:
SELECT `col_int_nokey` % 10 AS `col_int_nokey` , `col_int_key` % 10 AS `col_int_key` FROM _table where ;
where:
| | WHERE _field sign value ;
sign:
> | < | = | <> | != | >= | <= ;
insert:
insert_replace INTO table_name ( `col_int_nokey`, `col_int_key` ) VALUES ( value , value ) , ( value , value ) |
insert_replace INTO table_name ( `col_int_nokey`, `col_int_key` ) select LIMIT _digit ;
insert_replace:
INSERT | REPLACE ;
update:
UPDATE table_name SET _field = value WHERE _field = value ;
delete:
DELETE FROM table_name WHERE _field = value LIMIT _digit ;
_field:
`col_int_nokey` | `col_int_nokey` ;
table_name:
_letter | _table ;
value:
_digit ;
create:
CREATE TABLE _letter (
`col_int_nokey` INTEGER,
`col_int_key` INTEGER NOT NULL,
KEY (`col_int_key`)
) ENGINE = engine /*!50100 partition */ select ;
drop:
DROP TABLE IF EXISTS _letter ;
alter:
/*!50400 ALTER TABLE _letter alter_operation */;
alter_operation:
ENGINE = engine |
enable_disable KEYS |
ORDER BY _field |
DROP PARTITION partition_name_list |
partition |
ADD PARTITION (PARTITION p3 VALUES LESS THAN MAXVALUE) |
COALESCE PARTITION one_two |
REORGANIZE PARTITION |
ANALYZE PARTITION partition_name_list |
CHECK PARTITION partition_name_list |
OPTIMIZE PARTITION partition_name_list |
REBUILD PARTITION partition_name_list |
REPAIR PARTITION partition_name_list |
TRUNCATE PARTITION partition_name_list |
REMOVE PARTITIONING;
one_two:
1 | 2;
partition_name_list:
partition_name |
partition_name |
partition_name |
partition_name_list;
partition_name:
p0 | p1 | p2 | p3 ;
enable_disable:
ENABLE | DISABLE ;
# Give preference to MyISAM because key caching is specific to MyISAM
engine:
MYISAM | MYISAM | MYISAM |
INNODB | MEMORY ;
partition:
|
partition_by_range |
partition_by_list |
partition_by_hash |
partition_by_key
;
subpartition:
|
SUBPARTITION BY linear HASH ( _field ) SUBPARTITIONS _digit ;
partition_by_range:
populate_ranges PARTITION BY RANGE ( _field ) subpartition (
PARTITION p0 VALUES LESS THAN ( shift_range ),
PARTITION p1 VALUES LESS THAN ( shift_range ),
PARTITION p2 VALUES LESS THAN ( shift_range ),
PARTITION p3 VALUES LESS THAN MAXVALUE
);
populate_ranges:
{ @ranges = sort { $a <=> $b } ($prng->digit(), $prng->fieldType('tinyint_unsigned'), $prng->fieldType('smallint_unsigned')) ; return undef } ;
shift_range:
{ shift @ranges };
partition_by_list:
populate_digits PARTITION BY LIST ( _field ) subpartition (
PARTITION p0 VALUES IN ( shift_digit, NULL ),
PARTITION p1 VALUES IN ( shift_digit, shift_digit, shift_digit ),
PARTITION p2 VALUES IN ( shift_digit, shift_digit, shift_digit ),
PARTITION p3 VALUES IN ( shift_digit, shift_digit, shift_digit )
);
populate_digits:
{ @digits = @{$prng->shuffleArray([0..9])} ; return undef };
shift_digit:
{ shift @digits };
partition_by_hash:
PARTITION BY linear HASH ( _field ) PARTITIONS _digit;
linear:
| LINEAR;
partition_by_key:
PARTITION BY KEY(`col_int_key`) PARTITIONS _digit ;
partition_item:
PARTITION partition_name VALUES
PARTITION BY partition_hash_or_key;
partition_hash_or_key:
HASH ( field_name ) partitions |
KEY ( field_name ) partitions ;
partitions:
PARTITIONS digit ;
_digit:
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 ;
|