L-electron-Rare/moodle
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MDL-33018 add general index type hints and use PostgreSQL varchar_pattern_ops index type for context.path

Browse Source 
This significantly improves performance of accesslib queries,
credit for the discovery of this solution goes to Andrew Masterton from OU.
This commit is contained in:
Petr Skoda
2012-07-06 08:19:39 +02:00
committed by Petr Škoda
parent 2cbdaa77ea
commit bd991d03cf
15 changed files with 191 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/ddl/sql_generator.php
+8 -5
View File
@@ -1013,13 +1013,16 @@ abstract class sql_generator {
$results = array();
// Get the real index name
$dbindexname = $this->mdb->get_manager()->find_index_name($xmldb_table, $xmldb_index);
$dbindexnames = $this->mdb->get_manager()->find_index_name($xmldb_table, $xmldb_index, true);
// Replace TABLENAME and INDEXNAME as needed
$dropsql = str_replace('TABLENAME', $this->getTableName($xmldb_table), $this->drop_index_sql);
$dropsql = str_replace('INDEXNAME', $this->getEncQuoted($dbindexname), $dropsql);
$results[] = $dropsql;
if ($dbindexnames) {
foreach ($dbindexnames as $dbindexname) {
$dropsql = str_replace('TABLENAME', $this->getTableName($xmldb_table), $this->drop_index_sql);
$dropsql = str_replace('INDEXNAME', $this->getEncQuoted($dbindexname), $dropsql);
$results[] = $dropsql;
}
}
return $results;
}