 		
 		run {
 			let	db1	=	Database(location: Database.Location.Memory, editable: true)
+			db1.schema().create(table: "T1", column: ["c1"])
 			db1.apply(transaction: { () -> () in
 				let	p1	=	db1.prepare(code: "SELECT name FROM sqlite_master;")
 				for s in p1.items {
 					println(s.row().numberOfFields)
+					assert(s.row().numberOfFields == 0)
+					
 					s.step()
 					println(s.row().numberOfFields)
+					println(s.row().columnNameOfField(atIndex: 0))
+					println(s.row()[0])
+					assert(s.row().numberOfFields == 1)
+					assert(s.row().columnNameOfField(atIndex: 0) == "name")
+					assert(s.row()[0] == "T1")
+					s.step()
 					
-					assert(s.row().numberOfFields == 1)
-					println(s.row().columnNameOfField(atIndex: 0))
-//					assert(s.row()[0] == "AAA")
-					s.step()
 					assert(s.row().numberOfFields == 0)
 				}
 			})

				println(r1.columnNameOfField(atIndex: 0))
				println(r1[0])
				assert(r1.numberOfFields == 1)
				assert(r1[0] == "AAA")
			})
			
		}
		
		
		
		
		
		run {
			let	db1	=	Database(location: Database.Location.Memory, editable: true)
			db1.schema().create(table: "T1", column: ["c1"])
			
			db1.apply(transaction: { () -> () in
				db1.run(query: "INSERT INTO T1 (c1) VALUES (\"AAA\")")
//				db1.run(query: "INSERT INTO T1 (c1) VALUES (\"BBB\")")
//				db1.run(query: "INSERT INTO T1 (c1) VALUES (\"CCC\")")
				
				let	rs	=	db1.run(query: "SELECT * FROM T1;").all()
				println(rs)
				assert(rs[0]["c1"]! == "AAA")
//				assert(rs[1]["c1"]! == "BBB")
//				assert(rs[2]["c1"]! == "CCC")
			})
			
		}

		run {
			let	db1	=	Database(location: Database.Location.Memory, editable: true)
			db1.schema().create(table: "T1", column: ["c1"])
			db1.apply(transaction: { () -> () in
				let	p1	=	db1.prepare(code: "SELECT name FROM sqlite_master;")
				let	e1	=	p1.execute(parameters: [:])
				let	r0	=	e1.next()
				let	r1	=	r0!
