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Better approach. Use higher level MetaIndexes() and avoid some MySQL warnings. MDL-9256

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Merged from MOODLE_18_STABLE
This commit is contained in:
stronk7 2007-04-09 00:11:22 +00:00
parent 9770914d5f
commit 84a13375f0
1 changed files with 12 additions and 6 deletions
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18
lib/xmldb/classes/generators/mysql/mysql.class.php
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@ -265,6 +265,8 @@ class XMLDBmysql extends XMLDBGenerator {
*/
function isNameInUse($object_name, $type, $table_name) {
global $db;
/// Calculate the real table name
$xmldb_table = new XMLDBTable($table_name);
$tname = $this->getTableName($xmldb_table);
@ -272,13 +274,17 @@ class XMLDBmysql extends XMLDBGenerator {
switch($type) {
case 'ix':
case 'uix':
/// Fetch all the indexes in the table
if ($indexes = get_records_sql("SHOW INDEX FROM $tname")) {
foreach ($indexes as $index) {
/// First of all, check table exists
$metatables = $db->MetaTables();
$metatables = array_flip($metatables);
$metatables = array_change_key_case($metatables, CASE_LOWER);
if (array_key_exists($tname, $metatables)) {
/// Fetch all the indexes in the table
if ($indexes = $db->MetaIndexes($tname)) {
/// Normalize array keys
$index = array_change_key_case((array)$index, CASE_LOWER);
/// Check if the name is being used
if (strtolower($object_name) == $index['key_name']) {
$indexes = array_change_key_case($indexes, CASE_LOWER);
/// Look for existing index in array
if (array_key_exists(strtolower($object_name), $indexes)) {
return true;
}
}