 }
 
 extension String: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(cString: sqlite3_column_text(stmt, idx))
 	}
 }
 
 extension Data: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		let byteCount = Int(sqlite3_column_bytes(stmt, idx))
 		self.init(bytes: sqlite3_column_blob(stmt, idx).assumingMemoryBound(to: UInt8.self), count: byteCount)
 	}
 }
 
 extension Int: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension UInt: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(bitPattern: Int(sqlite3_column_int64(stmt, idx)))
 	}
 }
 
 extension Int8: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension UInt8: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension Int16: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension UInt16: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension Int32: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension UInt32: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension Int64: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self = sqlite3_column_int64(stmt, idx)
 	}
 }
 
 extension UInt64: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(bitPattern: sqlite3_column_int64(stmt, idx))
 	}
 }
 
 extension Float: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_double(stmt, idx))
 	}
 }
 
 extension Double: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self = sqlite3_column_double(stmt, idx)
 	}
 }
 
 extension Bool: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) {
 		self.init(sqlite3_column_int64(stmt, idx) != 0)
 	}
 }
 
 extension UUID: ColumnConvertible {
-	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) throws {
+	public init(_ stmt: SQLitePreparedStatement, column idx: Int32) throws {
 		let s = String(cString: sqlite3_column_text(stmt, idx))
 		guard let u = UUID(uuidString: s) else {
 			throw DatabaseError("String \"\(s)\" isn't a valid UUID")

}

extension URL: ColumnConvertible {
	public init(with stmt: SQLitePreparedStatement, parameter idx: Int32) throws {
		let s = String(cString: sqlite3_column_text(stmt, idx))
		guard let u = URL(string: s) else {
			throw DatabaseError("String \"\(s)\" isn't a valid URL")

		case SQLITE_NULL:
			return nil
		default:
			return try T(stmt, column: idx)
		}
	}

