Kentaro Hayashi
null+****@clear*****
Wed May 10 16:28:55 JST 2017
Kentaro Hayashi 2017-05-10 16:28:55 +0900 (Wed, 10 May 2017) New Revision: fc0b3dfcab0a0cef62da0f77508571400e7e2a63 https://github.com/groonga/groonga/commit/fc0b3dfcab0a0cef62da0f77508571400e7e2a63 Message: doc: add note about index columns for --match_columns Modified files: doc/source/reference/commands/select.rst Modified: doc/source/reference/commands/select.rst (+17 -0) =================================================================== --- doc/source/reference/commands/select.rst 2017-05-10 16:27:00 +0900 (ca52c49) +++ doc/source/reference/commands/select.rst 2017-05-10 16:28:55 +0900 (d963da5) @@ -551,6 +551,23 @@ details. Note that score function isn't related to :ref:`select-scorer` parameter. +You can also specify index columns to ``--match_columns`` +parameter. In such a case, you can control what index column should be +used and what data column should be searched explicitly. + +There are two kind of index columns which you can specify. + +* index column for one data column +* index column for multiple data column + +If you use index column for one data column, index column which +corresponds to data column is paired. On the otherhand, if you use +index column for multiple data column, all data column is searched by +default. If you want to use specific index column to search specific +data column, Specify index column with data column name such as +`TERMS_TABLE.INDEX_COLUMN.DATA_COLUMN``. See example use case +:ref:`full-text-search-with-specific-index-name` for details. + .. _select-query: ``query`` -------------- next part -------------- HTML����������������������������...下載
