HAYASHI Kentaro
null+****@clear*****
Wed Feb 18 12:08:05 JST 2015
HAYASHI Kentaro 2015-02-18 12:08:05 +0900 (Wed, 18 Feb 2015) New Revision: 8bb0e1ea31641a28661b695735a875126d05551c https://github.com/groonga/groonga/commit/8bb0e1ea31641a28661b695735a875126d05551c Message: doc: add summary and note about logical_count Modified files: doc/source/reference/commands/logical_count.rst Modified: doc/source/reference/commands/logical_count.rst (+15 -0) =================================================================== --- doc/source/reference/commands/logical_count.rst 2015-02-18 11:26:15 +0900 (0f1bde9) +++ doc/source/reference/commands/logical_count.rst 2015-02-18 12:08:05 +0900 (7fa6da4) @@ -11,14 +11,29 @@ Summary ------- +.. note:: + + ``logical_count`` command is an experimental feature. + .. versionadded:: 5.0.0 +``logical_count`` is a command to count matched records even though actual records are stored into parted tables. It is useful for users because there is less need to care about maximum records of table :doc:`/reference/limitations`. + +Note that this feature is not matured yet, so there are some limitations. + +* Create parted tables which contains "_YYYYMMDD" postfix. It is hardcoded, so you must create tables by each day. +* Load proper data into parted tables on your own. + Syntax ------ Usage ----- +Register ``sharding`` plugin to use ``logical_count`` command in advance. + +Note that ``logical_count`` is implemented as an experimental plugin, and the specification may be changed in the future. + Parameters ---------- -------------- next part -------------- HTML����������������������������...Descargar
