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<?php |
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namespace Lagdo\DbAdmin\Driver\Sqlite\Db; |
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use Lagdo\DbAdmin\Driver\Db\Grammar as AbstractGrammar; |
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class Grammar extends AbstractGrammar |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function escapeId(string $idf) |
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{ |
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return '"' . str_replace('"', '""', $idf) . '"'; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function autoIncrement() |
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{ |
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return " PRIMARY KEY AUTOINCREMENT"; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForCreateTable(string $table, bool $autoIncrement, string $style) |
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{ |
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$query = $this->connection->result("SELECT sql FROM sqlite_master " . |
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"WHERE type IN ('table', 'view') AND name = " . $this->driver->quote($table)); |
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foreach ($this->driver->indexes($table) as $name => $index) { |
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if ($name == '') { |
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continue; |
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} |
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$columns = implode(", ", array_map(function ($key) { |
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return $this->escapeId($key); |
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}, $index->columns)); |
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$query .= ";\n\n" . $this->sqlForCreateIndex($table, $index->type, $name, "($columns)"); |
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} |
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return $query; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForCreateIndex(string $table, string $type, string $name, string $columns) |
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{ |
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return "CREATE $type " . ($type != "INDEX" ? "INDEX " : "") . |
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$this->escapeId($name != "" ? $name : uniqid($table . "_")) . |
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" ON " . $this->table($table) . " $columns"; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForTruncateTable(string $table) |
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{ |
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return "DELETE FROM " . $this->table($table); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function sqlForCreateTrigger(string $table) |
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{ |
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$query = "SELECT sql || ';;\n' FROM sqlite_master WHERE type = 'trigger' AND tbl_name = " . |
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$this->driver->quote($table); |
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return implode($this->driver->values($query)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function queryRegex() |
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{ |
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return '\\s*|[\'"`[]|/\*|-- |$'; |
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} |
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} |
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