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Start moving Schema Dialect features to Schema/Dialect
Move code + tests for converting columns/indexes.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| <?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 Mysql { | ||
|
|
||
| protected $driver; | ||
|
|
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| public function __construct($driver) { | ||
| $this->_driver = $driver; | ||
| } | ||
|
|
||
| /** | ||
| * Get the SQL to list the tables in MySQL | ||
| * | ||
| * @param array $config The connection configuration to use for | ||
| * getting tables from. | ||
| * @return array An array of (sql, params) to execute. | ||
| */ | ||
| public function listTablesSql(array $config) { | ||
| return ["SHOW TABLES FROM " . $this->quoteIdentifier($config['database']), []]; | ||
| } | ||
|
|
||
| /** | ||
| * Get the SQL to describe a table in MySQL. | ||
| * | ||
| * @param string $table The table name to describe. | ||
| * @return array An array of (sql, params) to execute. | ||
| */ | ||
| public function describeTableSql($table) { | ||
| return ["SHOW FULL COLUMNS FROM " . $this->quoteIdentifier($table), []]; | ||
| } | ||
|
|
||
| /** | ||
| * Convert a platform specific index type to the abstract type | ||
| * | ||
| * @param string $key The key type to convert. | ||
| * @return string The abstract key type (primary, unique, index) | ||
| */ | ||
| public function convertIndex($key) { | ||
| if ($key === 'PRI') { | ||
| return 'primary'; | ||
| } | ||
| if ($key === 'MUL') { | ||
| return 'index'; | ||
| } | ||
| if ($key === 'UNI') { | ||
| return 'unique'; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Convert a MySQL column type into an abstract type. | ||
| * | ||
| * The returnned type will be a type that Cake\Database\Type can handle. | ||
| * | ||
| * @param string $column The column type + length | ||
| * @return array List of (type, length) | ||
| */ | ||
| public function convertColumn($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)); | ||
| } | ||
|
|
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| $col = strtolower($matches[1]); | ||
| $length = null; | ||
| if (isset($matches[2])) { | ||
| $length = (int)$matches[2]; | ||
| } | ||
|
|
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| if (in_array($col, array('date', 'time', 'datetime', 'timestamp'))) { | ||
| return [$col, null]; | ||
| } | ||
| if (($col === 'tinyint' && $length === 1) || $col === 'boolean') { | ||
| return ['boolean', null]; | ||
| } | ||
| if (strpos($col, 'bigint') !== false || $col === 'bigint') { | ||
| return ['biginteger', $length]; | ||
| } | ||
| if (strpos($col, 'int') !== false) { | ||
| return ['integer', $length]; | ||
| } | ||
| if (strpos($col, 'char') !== false || $col === 'tinytext') { | ||
| return ['string', $length]; | ||
| } | ||
| if (strpos($col, 'text') !== false) { | ||
| return ['text', $length]; | ||
| } | ||
| if (strpos($col, 'blob') !== false || $col === 'binary') { | ||
| return ['binary', $length]; | ||
| } | ||
| if (strpos($col, 'float') !== false || strpos($col, 'double') !== false) { | ||
| return ['float', $length]; | ||
| } | ||
| if (strpos($col, 'decimal') !== false) { | ||
| return ['decimal', null]; | ||
| } | ||
| return ['text', null]; | ||
| } | ||
|
|
||
| /** | ||
| * 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['Field']] = [ | ||
| 'type' => $type, | ||
| 'null' => $row['Null'] === 'YES' ? true : false, | ||
| 'default' => $row['Default'], | ||
| 'length' => $length, | ||
| ]; | ||
| if (!empty($row['Key'])) { | ||
| $schema[$row['Field']]['key'] = $this->convertIndex($row['Key']); | ||
| } | ||
| foreach ($fieldParams as $key => $metadata) { | ||
| if (!empty($row[$metadata['column']])) { | ||
| $schema[$row['Field']][$key] = $row[$metadata['column']]; | ||
| } | ||
| } | ||
| return $schema; | ||
| } | ||
|
|
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| /** | ||
| * Get additional column meta data used in schema reflections. | ||
| * | ||
| * @return array | ||
| */ | ||
| public function extraSchemaColumns() { | ||
| return [ | ||
| 'charset' => [ | ||
| 'column' => false, | ||
| ], | ||
| 'collate' => [ | ||
| 'column' => 'Collation', | ||
| ], | ||
| 'comment' => [ | ||
| 'column' => 'Comment', | ||
| ] | ||
| ]; | ||
| } | ||
|
|
||
| } |
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