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first pass at columndef->drupal-style array converter (need to handle some more things probably; untested)

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This commit is contained in:
Brion Vibber 2010-08-16 15:14:16 -07:00
parent aff54d8efb
commit eaa4ded053
2 changed files with 72 additions and 2 deletions
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4
classes/Managed_DataObject.php
View File

@ -21,9 +21,9 @@
* Wrapper for Memcached_DataObject which knows its own schema definition.
* Builds its own damn settings from a schema definition.
*
* @author brion
* @author Brion Vibber <brion@status.net>
*/
class Managed_DataObject extends Memcached_DataObject
abstract class Managed_DataObject extends Memcached_DataObject
{
/**
* The One True Thingy that must be defined and declared.

70
lib/schema.php
View File

@ -41,6 +41,7 @@ if (!defined('STATUSNET')) {
* @category Database
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Brion Vibber <brion@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
@ -491,6 +492,75 @@ class Schema
return $sql;
}
/**
* Convert an old-style set of ColumnDef objects into the current
* Drupal-style schema definition array, for backwards compatibility
* with plugins written for 0.9.x.
*
* @param string $tableName
* @param array $defs
* @return array
*/
function oldToNew($tableName, $defs)
{
$table = array();
$prefixes = array(
'tiny',
'small',
'medium',
'big',
);
foreach ($defs as $cd) {
$cd->addToTableDef($table);
$column = array();
$column['type'] = $cd->type;
foreach ($prefixes as $prefix) {
if (substr($cd->type, 0, strlen($prefix)) == $prefix) {
$column['type'] = substr($cd->type, strlen($prefix));
$column['size'] = $prefix;
break;
}
}
if ($cd->size) {
if ($cd->type == 'varchar' || $cd->type == 'char') {
$column['length'] = $cd->size;
}
}
if (!$cd->nullable) {
$column['not null'] = true;
}
if ($cd->autoincrement) {
$column['type'] = 'serial';
}
if ($cd->default) {
$column['default'] = $cd->default;
}
$table['fields'][$cd->name] = $column;
if ($cd->key == 'PRI') {
// If multiple columns are defined as primary key,
// we'll pile them on in sequence.
if (!isset($table['primary key'])) {
$table['primary key'] = array();
}
$table['primary key'][] = $cd->name;
} else if ($cd->key == 'MUL') {
// Individual multiple-value indexes are only per-column
// using the old ColumnDef syntax.
$idx = "{$tableName}_{$cd->name}_idx";
$table['indexes'][$idx] = array($cd->name);
} else if ($cd->key == 'UNI') {
// Individual unique-value indexes are only per-column
// using the old ColumnDef syntax.
$idx = "{$tableName}_{$cd->name}_idx";
$table['unique keys'][$idx] = array($cd->name);
}
}
return $table;
}
}
class SchemaTableMissingException extends Exception