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Move Sqlite code into Schema/Dialect
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| <?php | ||
| /** | ||
| * PHP Version 5.4 | ||
| * | ||
| * CakePHP(tm) : Rapid Development Framework (http://cakephp.org) | ||
| * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org) | ||
| * | ||
| * Licensed under The MIT License | ||
| * For full copyright and license information, please see the LICENSE.txt | ||
| * Redistributions of files must retain the above copyright notice. | ||
| * | ||
| * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org) | ||
| * @link http://cakephp.org CakePHP(tm) Project | ||
| * @since CakePHP(tm) v 3.0.0 | ||
| * @license MIT License (http://www.opensource.org/licenses/mit-license.php) | ||
| */ | ||
| namespace Cake\Database\Schema\Dialect; | ||
|
|
||
| class Sqlite { | ||
|
|
||
| /** | ||
| * The driver instance being used. | ||
| * | ||
| * @var Cake\Database\Driver\Sqlite | ||
| */ | ||
| protected $driver; | ||
|
|
||
| public function __construct($driver) { | ||
| $this->_driver = $driver; | ||
| } | ||
|
|
||
| /** | ||
| * Convert a column definition to the abstract types. | ||
| * | ||
| * The returned type will be a type that | ||
| * Cake\Database\Type can handle. | ||
| * | ||
| * @param string $column The column type + length | ||
| * @throws Cake\Error\Exception | ||
| * @return array List of (type, length) | ||
| */ | ||
| public function convertColumn($column) { | ||
| preg_match('/([a-z]+)(?:\(([0-9,]+)\))?/i', $column, $matches); | ||
| if (empty($matches)) { | ||
| throw new Error\Exception(__d('cake_dev', 'Unable to parse column type from "%s"', $column)); | ||
| } | ||
| $col = strtolower($matches[1]); | ||
| $length = null; | ||
| if (isset($matches[2])) { | ||
| $length = (int)$matches[2]; | ||
| } | ||
|
|
||
| if ($col === 'bigint') { | ||
| return ['biginteger', $length]; | ||
| } | ||
| if (in_array($col, ['blob', 'clob'])) { | ||
| return ['binary', null]; | ||
| } | ||
| if (in_array($col, ['date', 'time', 'timestamp', 'datetime'])) { | ||
| return [$col, null]; | ||
| } | ||
| if (strpos($col, 'decimal') !== false) { | ||
| return ['decimal', null]; | ||
| } | ||
|
|
||
| if (strpos($col, 'boolean') !== false) { | ||
| return ['boolean', null]; | ||
| } | ||
| if (strpos($col, 'int') !== false) { | ||
| return ['integer', $length]; | ||
| } | ||
| if (strpos($col, 'char') !== false) { | ||
| return ['string', $length]; | ||
| } | ||
| if (in_array($col, ['float', 'real', 'double'])) { | ||
| return ['float', null]; | ||
| } | ||
| return ['text', null]; | ||
| } | ||
|
|
||
| /** | ||
| * Get the SQL to list the tables in Sqlite | ||
| * | ||
| * @param array $config The connection configuration to use for | ||
| * getting tables from. | ||
| * @return array An array of (sql, params) to execute. | ||
| */ | ||
| public function listTablesSql() { | ||
| return ["SELECT name FROM sqlite_master WHERE type='table' ORDER BY name", []]; | ||
| } | ||
|
|
||
| /** | ||
| * Get the SQL to describe a table in Sqlite. | ||
| * | ||
| * @param string $table The table name to describe | ||
| * @return array An array of (sql, params) to execute. | ||
| */ | ||
| public function describeTableSql($table) { | ||
| return ["PRAGMA table_info(" . $this->_driver->quoteIdentifier($table) . ")", []]; | ||
| } | ||
|
|
||
| /** | ||
| * Additional metadata columns in table descriptions. | ||
| * | ||
| * @return array | ||
| */ | ||
| public function extraSchemaColumns() { | ||
| return []; | ||
| } | ||
|
|
||
| /** | ||
| * Convert field description results into abstract schema fields. | ||
| * | ||
| * @return array An array of with the key/values of schema data. | ||
| */ | ||
| public function convertFieldDescription($row, $fieldParams = []) { | ||
| list($type, $length) = $this->convertColumn($row['type']); | ||
| $schema = []; | ||
| $schema[$row['name']] = [ | ||
| 'type' => $type, | ||
| 'null' => !$row['notnull'], | ||
| 'default' => $row['dflt_value'] === null ? null : trim($row['dflt_value'], "'"), | ||
| 'length' => $length, | ||
| ]; | ||
| if ($row['pk'] == true) { | ||
| $schema[$row['name']]['key'] = 'primary'; | ||
| $schema[$row['name']]['null'] = false; | ||
| } | ||
| return $schema; | ||
| } | ||
|
|
||
| } |
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