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#185126 by moshe weitzman, David Strauss, bjaspan and JirkaRybka: improve index on system table for better database performance

6.x
Gábor Hojtsy 2007-11-04 16:39:59 +00:00
parent 5cc13f7271
commit ac914745c6
1 changed files with 16 additions and 1 deletions
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17
modules/system/system.install
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@ -935,7 +935,11 @@ function system_schema() {
'not null' => FALSE) 'not null' => FALSE)
), ),
'primary key' => array('filename'), 'primary key' => array('filename'),
'indexes' => array('weight' => array('weight')), 'indexes' =>
array(
'modules' => array(array('type', 12), 'status', 'weight', 'filename'),
'bootstrap' => array(array('type', 12), 'status', 'bootstrap', 'weight', 'filename'),
),
); );
$schema['url_alias'] = array( $schema['url_alias'] = array(
@ -4443,6 +4447,17 @@ function system_update_6034() {
return $ret; return $ret;
} }
/**
* Change index on system table for better performance.
*/
function system_update_6035() {
$ret = array();
db_drop_index($ret, 'system', 'weight');
db_add_index($ret, 'system', 'modules', array(array('type', 12), 'status', 'weight', 'filename'));
db_add_index($ret, 'system', 'bootstrap', array(array('type', 12), 'status', 'bootstrap', 'weight', 'filename'));
return $ret;
}
/** /**
* @} End of "defgroup updates-5.x-to-6.x" * @} End of "defgroup updates-5.x-to-6.x"
* The next series of updates should start at 7000. * The next series of updates should start at 7000.