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<?php |
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/** |
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* KumbiaPHP web & app Framework |
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* |
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* LICENSE |
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* |
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* This source file is subject to the new BSD license that is bundled |
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* with this package in the file LICENSE.txt. |
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* It is also available through the world-wide-web at this URL: |
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* http://wiki.kumbiaphp.com/Licencia |
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* If you did not receive a copy of the license and are unable to |
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* obtain it through the world-wide-web, please send an email |
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* to [email protected] so we can send you a copy immediately. |
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* |
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* @category Kumbia |
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* @package ActiveRecord |
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* @subpackage Metadata |
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* |
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* @copyright 2005 - 2020 Kumbia Team (http://www.kumbiaphp.com) |
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* @license http://wiki.kumbiaphp.com/Licencia New BSD License |
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*/ |
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namespace Kumbia\ActiveRecord\Metadata; |
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use \PDO; |
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/** |
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* Adaptador de Metadata para Sqlsrv |
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* |
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*/ |
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class SqlsrvMetadata extends Metadata |
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{ |
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/** |
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* Consultar los campos de la tabla en la base de datos |
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* |
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* @param \PDO $pdo base de datos |
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* @param string $table tabla |
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* @param string $schema squema |
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* @return array |
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*/ |
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protected function queryFields(\PDO $pdo, string $table, string $schema = 'dbo'): array |
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{ |
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$describe = $pdo->query( |
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"SELECT |
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c.name AS field_name, |
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c.is_identity AS is_auto_increment, |
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c.is_nullable, |
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object_definition(c.default_object_id) AS default_value, |
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t.name AS type_field |
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FROM sys.columns c join sys.types t |
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ON c.system_type_id = t.user_type_id |
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WHERE object_id = object_id('$schema.$table')" |
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); |
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$pk = self::pk($pdo, $table); |
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return self::describe($describe, $pk); |
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} |
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/** |
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* Optiene el PK |
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* |
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* @param \PDO $pdo base de datos |
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* @param string $table tabla |
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* @return string |
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*/ |
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private static function pk(\PDO $pdo, string $table): string |
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{ |
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$pk = $pdo->query("exec sp_pkeys @table_name='$table'"); |
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$pk = $pk->fetch(\PDO::FETCH_OBJ); |
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return $pk->COLUMN_NAME; |
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} |
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/** |
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* Genera la metadata |
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* |
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* @param \PDOStatement $describe SQL result |
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* @param string $pk Primary key |
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* @return array |
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*/ |
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protected function describe(\PDOStatement $describe, string $pk): array |
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{ |
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// TODO Mejorar |
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$fields = []; |
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while ($value = $describe->fetch()) { |
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$fields[$value->field_name] = [ |
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'Type' => $value->type_field, |
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'Null' => ($value->is_nullable), |
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'Key' => ($value->field_name === $pk) ? 'PRI' : '', |
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'Default' => \str_replace("''", "'", \trim($value->default_value, "(')")), |
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'Auto' => ($value->is_auto_increment) |
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]; |
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$this->filterColumn($fields[$value->field_name], $value->field_name); |
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} |
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return $fields; |
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} |
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} |
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KumbiaPHP /
ActiveRecord
