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<?php |
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/** |
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* This file is part of dimtrovich/db-dumper". |
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* |
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* (c) 2024 Dimitri Sitchet Tomkeu <[email protected]> |
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* |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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namespace Dimtrovich\DbDumper\Adapters; |
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use Dimtrovich\DbDumper\Exceptions\Exception; |
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class SqliteAdapter extends Factory |
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{ |
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// Numerical SQLITE types |
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public $sqliteTypes = [ |
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'numerical' => [ |
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'INT', |
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'INTEGER', |
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'TINYINT', |
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'SMALLINT', |
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'MEDIUMINT', |
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'BIGINT', |
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'UNSIGNED BIG INT', |
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'INT2', |
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'INT8', |
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'REAL', |
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'DOUBLE', |
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'DOUBLE PRECISION', |
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'FLOAT', |
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'NUMERIC', |
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], |
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'blob' => [ |
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'BLOB', |
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], |
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]; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function showCreateTable(string $tableName): string |
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{ |
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return "SELECT tbl_name as 'Table', sql as 'Create Table' " . |
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'FROM sqlite_master ' . |
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"WHERE type='table' AND tbl_name='{$tableName}'"; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function createTable(array $row): string |
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{ |
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if (! isset($row['Create Table'])) { |
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throw new Exception('Error getting table code, unknown output'); |
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} |
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$createTable = $row['Create Table']; |
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if ($this->option->reset_auto_increment) { |
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$createTable = 'DELETE FROM sqlite_sequence WHERE name=\'' . $row['Table'] . '\'' . PHP_EOL . $createTable; |
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} |
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if ($this->option->if_not_exists) { |
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$createTable = preg_replace('/^CREATE TABLE/', 'CREATE TABLE IF NOT EXISTS', $createTable); |
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} |
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return $createTable . ';' . PHP_EOL; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function showCreateView(string $viewName): string |
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{ |
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return "SELECT tbl_name as 'View', sql as 'Create View' " . |
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'FROM sqlite_master ' . |
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"WHERE type='view' AND tbl_name='{$viewName}'"; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function showTables(string $database = ''): string |
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{ |
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return "SELECT tbl_name FROM sqlite_master WHERE type='table' AND tbl_name NOT LIKE 'sqlite_%'"; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function showViews(string $database = ''): string |
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{ |
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return "SELECT tbl_name FROM sqlite_master WHERE type='view' AND tbl_name NOT LIKE 'sqlite_%'"; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function showTriggers(string $database = ''): string |
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{ |
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return "SELECT name FROM sqlite_master WHERE type='trigger' AND tbl_name NOT LIKE 'sqlite_%'"; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function showColumns(string $table): string |
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{ |
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return "pragma table_info({$table})"; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function startTransaction(): string |
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{ |
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return 'BEGIN EXCLUSIVE'; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function commitTransaction(): string |
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{ |
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return 'COMMIT'; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function startDisableForeignKeysCheck(): string |
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{ |
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return 'PRAGMA foreign_keys = OFF;'; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function endDisableForeignKeysCheck(): string |
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{ |
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return 'PRAGMA foreign_keys = ON;'; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function parseColumnType(array $colType): array |
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{ |
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return parent::_parseColumnType($colType, $this->sqliteTypes); |
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// for virtual columns that are of type 'Extra', column type |
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// could by "STORED GENERATED" or "VIRTUAL GENERATED" |
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// MySQL reference: https://dev.mysql.com/doc/refman/5.7/en/create-table-generated-columns.html |
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// $colInfo['is_virtual'] = str_contains($colType['Extra'], 'VIRTUAL GENERATED') || str_contains($colType['Extra'], 'STORED GENERATED'); |
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} |
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} |
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dimtrovich /
php-db-dumper
