Kouhei Sutou
null+****@clear*****
Mon Jul 1 13:23:27 JST 2013
Kouhei Sutou 2013-07-01 13:23:27 +0900 (Mon, 01 Jul 2013) New Revision: aaefb6f6f2914feb04dd1f452010dbe44ffc1791 https://github.com/groonga/groonga/commit/aaefb6f6f2914feb04dd1f452010dbe44ffc1791 Message: doc sub_filter: add more description about scope parameter Modified files: doc/source/reference/functions/sub_filter.txt Modified: doc/source/reference/functions/sub_filter.txt (+5 -1) =================================================================== --- doc/source/reference/functions/sub_filter.txt 2013-07-01 11:03:28 +0900 (e9a71eb) +++ doc/source/reference/functions/sub_filter.txt 2013-07-01 13:23:27 +0900 (946566f) @@ -103,13 +103,17 @@ There are two required parameter, ``scope`` and ``filter_string``. ^^^^^^^^^ It specifies a column of the table that is specified by ``table`` -parameter in ``select``. ``filter_string`` is evaluated in the column +parameter in ``select``. The column has a limitation. The limitation +is described later. ``filter_string`` is evaluated in the column context. It means that ``filter_string`` is evaluated like ``select --table TYPE_OF_THE_COLUMN --filter FILTER_STRING``. The specified column type must be a table. In other words, the column type must be reference type. +You can chain columns by ``COLUMN_1.COLUMN_2.COLUMN_3...COLUMN_N`` +syntax. For example, ``user.group.name``. + See :ref:`select-table` about ``table`` parameter in ``select``. ``filter_string`` -------------- next part -------------- HTML����������������������������...Download