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MDL-35691 fix max length calculation in pg, mysql and our bigint checker

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This commit is contained in:
Petr Škoda 2012-10-02 16:21:17 +02:00
parent ccd90e765e
commit 3c17c85ae6
3 changed files with 45 additions and 30 deletions
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30
admin/tool/xmldb/actions/check_bigints/check_bigints.class.php
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@ -29,9 +29,6 @@
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class check_bigints extends XMLDBCheckAction {
private $correct_type;
private $dbfamily;
/**
* Init method, every subclass will have its own
*/
@ -51,19 +48,6 @@ class check_bigints extends XMLDBCheckAction {
'nowrongintsfound' => 'tool_xmldb',
'yeswrongintsfound' => 'tool_xmldb',
));
// Correct fields must be type bigint for MySQL and int8 for PostgreSQL
$this->dbfamily = $DB->get_dbfamily();
switch ($this->dbfamily) {
case 'mysql':
$this->correct_type = 'bigint';
break;
case 'postgres':
$this->correct_type = 'int8';
break;
default:
$this->correct_type = NULL;
}
}
protected function check_table(xmldb_table $xmldb_table, array $metacolumns) {
@ -87,7 +71,7 @@ class check_bigints extends XMLDBCheckAction {
// Going to check this field in DB
$o.=' <li>' . $this->str['field'] . ': ' . $xmldb_field->getName() . ' ';
// Detect if the physical field is wrong
if ($metacolumn->type != $this->correct_type) {
if (($metacolumn->meta_type != 'I' and $metacolumn->meta_type != 'R') or $metacolumn->max_length < 10) {
$o.='<font color="red">' . $this->str['wrong'] . '</font>';
// Add the wrong field to the list
$obj = new stdClass();
@ -124,17 +108,7 @@ class check_bigints extends XMLDBCheckAction {
foreach ($wrong_fields as $obj) {
$xmldb_table = $obj->table;
$xmldb_field = $obj->field;
// MySQL directly supports this
// TODO: move this hack to generators!!
if ($this->dbfamily == 'mysql') {
$sqlarr = $dbman->generator->getAlterFieldSQL($xmldb_table, $xmldb_field);
// PostgreSQL (XMLDB implementation) is a bit, er... imperfect.
} else if ($this->dbfamily == 'postgres') {
$sqlarr = array('ALTER TABLE ' . $DB->get_prefix() . $xmldb_table->getName() .
' ALTER COLUMN ' . $xmldb_field->getName() . ' TYPE BIGINT;');
}
$sqlarr = $dbman->generator->getAlterFieldSQL($xmldb_table, $xmldb_field);
$r.= ' <li>' . $this->str['table'] . ': ' . $xmldb_table->getName() . '. ' .
$this->str['field'] . ': ' . $xmldb_field->getName() . '</li>';
// Add to output if we have sentences