moodle/moodle
3
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-08-04 16:36:37 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

MDL-37284 fix mysql test for unicode compatibility

Browse source
This commit is contained in:
Petr Škoda 2012-12-22 18:42:55 +01:00
parent 0dc5a532ec
commit 9d0ded6697
1 changed files with 12 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

45
lib/dml/mysqli_native_moodle_database.php
View file

@ -803,45 +803,24 @@ class mysqli_native_moodle_database extends moodle_database {
}
/**
* Is db in unicode mode?
* Is this database compatible with utf8?
* @return bool
*/
public function setup_is_unicodedb() {
$sql = "SHOW LOCAL VARIABLES LIKE 'character_set_database'";
$this->query_start($sql, null, SQL_QUERY_AUX);
// All new tables are created with this collation, we just have to make sure it is utf8 compatible,
// if config table already exists it has this collation too.
$collation = $this->get_dbcollation();
$sql = "SHOW COLLATION WHERE Collation ='$collation' AND Charset = 'utf8'";
$this->query_start($sql, NULL, SQL_QUERY_AUX);
$result = $this->mysqli->query($sql);
$this->query_end($result);
$return = false;
if ($result) {
while($row = $result->fetch_assoc()) {
if (isset($row['Value'])) {
$return = (strtoupper($row['Value']) === 'UTF8' or strtoupper($row['Value']) === 'UTF-8');
}
break;
}
$result->close();
}
if (!$return) {
return false;
}
$sql = "SHOW LOCAL VARIABLES LIKE 'collation_database'";
$this->query_start($sql, null, SQL_QUERY_AUX);
$result = $this->mysqli->query($sql);
$this->query_end($result);
$return = false;
if ($result) {
while($row = $result->fetch_assoc()) {
if (isset($row['Value'])) {
$return = (strpos($row['Value'], 'latin1') !== 0);
}
break;
}
$result->close();
if ($result->fetch_assoc()) {
$return = true;
} else {
$return = false;
}
$result->close();
return $return;
}