Github user jihoonson commented on a diff in the pull request: https://github.com/apache/tajo/pull/1038#discussion_r71061870 --- Diff: tajo-docs/src/main/sphinx/functions/string_func_and_operators.rst --- @@ -347,82 +347,82 @@ String Functions and Operators > TAJO -.. function:: lower(string text) +.. function:: lower(string TEXT) Makes an input text to be lower case. :param string: input string - :rtype: text + :rtype: TEXT :example: .. code-block:: sql select lower('TAJO'); > tajo -.. function:: lpad(source text, number int4, pad text) +.. function:: lpad(source TEXT, number INT4, pad TEXT) Fill up the string to length by prepending the characters fill (a space by default). If the string is already longer than length then it is truncated (on the right). :param source: source string :param number: padding length :param pad: padding string - :rtype: text + :rtype: TEXT :example: .. code-block:: sql select lpad('hi', 5, 'xy'); > xyxhi -.. function:: rpad(source text, number int4, pad text) +.. function:: rpad(source TEXT, number INT4, pad TEXT) --- End diff -- pad can be omitted.
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