Rearrang mysql and sqlite drivers

sys/db/drivers/mysql/mysql_driver.php

@@ -62,96 +62,6 @@ class MySQL extends DB_PDO {
 
 	// --------------------------------------------------------------------------
 
-	/**
-	 * Get databases for the current connection
-	 *
-	 * @return array
-	 */
-	public function get_dbs()
-	{
-		$res = $this->query("SHOW DATABASES WHERE `Database` !='information_schema'");
-		return db_filter(array_values($res->fetchAll(PDO::FETCH_ASSOC)), 'Database');
-	}
-
-	// --------------------------------------------------------------------------
-
-	/**
-	 * Returns the tables available in the current database
-	 *
-	 * @return array
-	 */
-	public function get_tables()
-	{
-		$res = $this->query('SHOW TABLES');
-		return db_filter($res->fetchAll(PDO::FETCH_NUM), 0);
-	}
-
-	// --------------------------------------------------------------------------
-
-	/**
-	 * Get list of views for the current database
-	 *
-	 * @return array
-	 */
-	public function get_views()
-	{
-		$res = $this->query('SELECT `table_name` FROM `information_schema`.`views`');
-		return db_filter($res->fetchAll(PDO::FETCH_NUM), 'table_name');
-	}
-
-	// --------------------------------------------------------------------------
-
-	/**
-	 * Not applicable to MySQL
-	 *
-	 * @return FALSE
-	 */
-	public function get_sequences()
-	{
-		return FALSE;
-	}
-
-	// --------------------------------------------------------------------------
-
-	/**
-	 * Return list of custom functions for the current database
-	 *
-	 * @return array
-	 */
-	public function get_functions()
-	{
-		$res = $this->query('SHOW FUNCTION STATUS');
-		return $res->fetchAll(PDO::FETCH_ASSOC);
-	}
-
-	// --------------------------------------------------------------------------
-
-	/**
-	 * Retrun list of stored procedures for the current database
-	 *
-	 * @return array
-	 */
-	public function get_procedures()
-	{
-		$res = $this->query('SHOW PROCEDURE STATUS');
-		return $res->fetchAll(PDO::FETCH_ASSOC);
-	}
-
-	// --------------------------------------------------------------------------
-
-	/**
-	 * Return list of triggers for the current database
-	 *
-	 * @return array
-	 */
-	public function get_triggers()
-	{
-		$res = $this->query('SHOW TRIGGERS');
-		return $res->fetchAll(PDO::FETCH_ASSOC);
-	}
-
-	// --------------------------------------------------------------------------
-
 	/**
 	 * Returns system tables for the current database
 	 *

sys/db/drivers/mysql/mysql_sql.php

@@ -20,12 +20,12 @@ class MySQL_SQL extends DB_SQL{
  	/**
  	 * Convienience public function for creating a new MySQL table
  	 *
- 	 * @param [type] $name [description]
+ 	 * @param string $name
- 	 * @param [type] $columns [description]
+ 	 * @param array $columns
- 	 * @param array $constraints=array() [description]
+ 	 * @param array $constraints=array()
- 	 * @param array $indexes=array() [description]
+ 	 * @param array $indexes=array()
  	 *
- 	 * @return [type]
+ 	 * @return string
  	 */
 	public function create_table($name, $columns, array $constraints=array(), array $indexes=array())
 	{
@@ -155,5 +155,101 @@ class MySQL_SQL extends DB_SQL{
 		// @todo Implement Backup function
 		return '';
 	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list other databases
+	 *
+	 * @return string
+	 */
+	public function db_list()
+	{
+		return "SHOW DATABASES WHERE `Database` !='information_schema'";
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list tables
+	 *
+	 * @return string
+	 */
+	public function table_list()
+	{
+		return 'SHOW TABLES';
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Overridden in MySQL class
+	 *
+	 * @return string
+	 */
+	public function system_table_list()
+	{
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list views
+	 *
+	 * @return string
+	 */
+	public function view_list()
+	{
+		return 'SELECT `table_name` FROM `information_schema`.`views`';
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list triggers
+	 *
+	 * @return string
+	 */
+	public function trigger_list()
+	{
+		return 'SHOW TRIGGERS';
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Return sql to list functions
+	 *
+	 * @return string
+	 */
+	public function function_list()
+	{
+		return 'SHOW FUNCTION STATUS';
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Return sql to list stored procedures
+	 *
+	 * @return string
+	 */
+	public function procedure_list()
+	{
+		return 'SHOW PROCEDURE STATUS';
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Return sql to list sequences
+	 *
+	 * @return FALSE
+	 */
+	public function sequence_list()
+	{
+		return FALSE;
+	}
 }
 //End of mysql_sql.php

sys/db/drivers/sqlite/sqlite_sql.php

@@ -209,5 +209,114 @@ class SQLite_SQL extends DB_SQL {
 
 		return $sql_structure;
 	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list other databases
+	 *
+	 * @return FALSE
+	 */
+	public function db_list()
+	{
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list tables
+	 *
+	 * @return string
+	 */
+	public function table_list()
+	{
+		return <<<SQL
+			SELECT "name"
+			FROM "sqlite_master"
+			WHERE "type"='table'
+			ORDER BY "name" DESC
+SQL;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Overridden in SQLite class
+	 *
+	 * @return string
+	 */
+	public function system_table_list()
+	{
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list views
+	 *
+	 * @return string
+	 */
+	public function view_list()
+	{
+		return <<<SQL
+			SELECT "name" FROM "sqlite_master" WHERE "type" = 'view'
+SQL;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Returns sql to list triggers
+	 *
+	 * @return string
+	 */
+	public function trigger_list()
+	{
+		return <<<SQL
+			SELECT *
+			FROM "information_schema"."triggers"
+			WHERE "trigger_schema" NOT IN
+				('pg_catalog', 'information_schema')
+SQL;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Return sql to list functions
+	 *
+	 * @return FALSE
+	 */
+	public function function_list()
+	{
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Return sql to list stored procedures
+	 *
+	 * @return FALSE
+	 */
+	public function procedure_list()
+	{
+		return FALSE;
+	}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Return sql to list sequences
+	 *
+	 * @return FALSE
+	 */
+	public function sequence_list()
+	{
+		return FALSE;
+	}
+
 }
 //End of sqlite_sql.php

tests/databases/sqlite.php

@@ -165,7 +165,7 @@ SQL;
 	{
 		$this->assertFalse($this->db->get_dbs());
 	}
-	
+
 	function TestGetSchemas()
 	{
 		$this->assertFalse($this->db->get_schemas());