improved Maintenance for MySQL and SQLite DB type

composer.json

@@ -4,7 +4,7 @@
 	"description": "This library extends the builtin PDO object by several useful features. ",
 	"type": "library",
 	"readme": "README.md",
-	"keywords": ["db", "model", "pdo"],
+	"keywords": ["db", "model", "pdo", "mysql", "sqlite"],
 	"authors": [
 		{
 			"name": "Igor Mino",

src/Creator.php

@@ -21,8 +21,9 @@ class Creator {
 
 	public function interact() {
 		$name = $this->readline('New model name: ');
-		$table = $this->readline('Table name: ');
-		$entity = $this->readline('Entity name: ');
+		$table = strtolower($name);
+		$table = $this->readline('Table name ['.$table.']: ', $table);
+		$entity = $this->readline('Entity name ['.$table.']: ', $table);
 		$namespace = $this->readline('Namespace [App\Models]: ', 'App\Models');
 		if (strlen($entity) <= 0) {
 			$entity = $table;

src/DBmodel.php

@@ -154,6 +154,11 @@ class DBmodel
 		return $where;
 	}
 
+	public function getDBtype()
+	{
+		return $this->dbh->getAttribute(\PDO::ATTR_DRIVER_NAME);
+	}
+
 	public function existTable($table_id)
 	{
 		$query = sprintf(
@@ -269,11 +274,14 @@ class DBmodel
 				return false;
 			}
 			if (count($primary_key_names) > 1) return true;
+			$last_id = $this->getLastInsertID();
+			/*
 			if (method_exists($this->dbh, 'getLastInsertID')) {
 				$last_id = $this->getLastInsertID();
 			} else {
 				$last_id = $this->getOne('SELECT last_insert_id()');
 			}
+			*/
 			return $last_id;
 		}
 
@@ -304,12 +312,14 @@ class DBmodel
 			$query = sprintf(
 				'UPDATE %s'
 					. ' SET %s'
-					. ' WHERE %s'
-					. ' LIMIT 1',
+					. ' WHERE %s',
 				$table,
 				$set,
 				$this->buildWherePrimaryKey($table_id, $primary_key)
 			);
+			if ($this->getDBtype() == 'mysql') {
+				$query .= ' LIMIT 1';
+			}
 			$this->_debug('[DBmodel][record][UPDATE]: ' . $query);
 			$ret = $this->query($query);
 			if ($ret === false) {
@@ -331,11 +341,13 @@ class DBmodel
 			}
 			$query = sprintf(
 				'DELETE FROM %s'
-					. ' WHERE %s'
-					. ' LIMIT 1',
+					. ' WHERE %s',
 				$table,
 				$this->buildWherePrimaryKey($table_id, $primary_key)
 			);
+			if ($this->getDBtype() == 'mysql') {
+				$query .= ' LIMIT 1';
+			}
 			$this->_debug('[DBmodel][record][DELETE]: ' . $query);
 			$ret = $this->query($query);
 			if ($ret === false) {
@@ -548,6 +560,15 @@ class DBmodel
 	}
 
 	public function getTableColumns($table_name) {
+		$db_type = $this->getDBtype();
+		switch ($db_type) {
+			case 'mysql': return $this->getTableColumnsMYSQL($table_name);
+			case 'sqlite': return $this->getTableColumnsSQLITE($table_name);
+			default: new \Exception('Unknown DB type: ' . $db_type);
+		}
+	}
+
+	public function getTableColumnsMYSQL($table_name) {
 		$desc = $this->getAll(sprintf('DESC %s', $table_name));
 		$desc = $this->arrayKeysToLowerCase($desc);
 		$pks = array();
@@ -567,6 +588,26 @@ class DBmodel
 		return array('pks' => $pks, 'columns' => $columns, 'types' => $types);
 	}
 
+	public function getTableColumnsSQLITE($table_name) {
+		$desc = $this->getAll(sprintf('PRAGMA table_info(%s)', $table_name));
+		$desc = $this->arrayKeysToLowerCase($desc);
+		$pks = array();
+		$columns = array();
+		foreach ($desc as $d) {
+			$colname = $d['name'];
+			$types[$colname] = $d['type'];
+			if ($d['pk'] == 1) {
+				$pks[] = $colname;
+				if (strtoupper($d['type']) != 'INTEGER') {
+					$columns[] = $colname;
+				}
+			} else {
+				$columns[] = $colname;
+			}
+		}
+		return array('pks' => $pks, 'columns' => $columns, 'types' => $types);
+	}
+
 	/* ----------------------------------------------------
 	 * HELPER METHODS
 	 */

src/Maintenance.php

@@ -81,10 +81,21 @@ class Maintenance
 
 	public function existsTable($table_name)
 	{
-		return $this->testDB(
-			'SHOW TABLES LIKE "' . $table_name . '"',
-			$table_name
-		);
+		$db_type = $this->dbh->getDBtype();
+		switch ($db_type) {
+			case 'mysql':
+				return $this->testDB(
+					'SHOW TABLES LIKE "' . $table_name . '"',
+					$table_name
+				);
+			case 'sqlite':
+				return $this->testDB(
+					'SELECT name FROM sqlite_master WHERE TYPE = "table" AND name LIKE "' . $table_name . '"',
+					$table_name
+				);
+			default:
+				new \Exception('Unknown DB type: ' . $db_type);
+		}
 	}
 
 	public function checkDBTable($table_name, $definition, $after_definition = '')
@@ -93,9 +104,21 @@ class Maintenance
 			$this->lastMessage = 'Table ' . strtoupper($table_name) . ' - invalid index';
 			return Maintenance::ABNORMAL;
 		}
+		$check_query = '';
+		$db_type = $this->dbh->getDBtype();
+		switch ($db_type) {
+			case 'mysql':
+				$check_query = 'SHOW TABLES LIKE "' . $table_name . '"';
+				break;
+			case 'sqlite':
+				$check_query = 'SELECT name FROM sqlite_master WHERE TYPE = "table" AND name LIKE "' . $table_name . '"';
+				break;
+			default:
+				new \Exception('Unknown DB type: ' . $db_type);
+		}
 		$status = $this->checkDB(
 			// TEST query
-			'SHOW TABLES LIKE "' . $table_name . '"',
+			$check_query,
 			// TEST output
 			$table_name,
 			// FIX query