Kouhei Sutou
null+****@clear*****
Fri Aug 9 16:26:25 JST 2013
Kouhei Sutou 2013-08-09 16:26:25 +0900 (Fri, 09 Aug 2013) New Revision: 12b152bf25854af8bdbc13537999bbe285c2e750 https://github.com/groonga/groonga/commit/12b152bf25854af8bdbc13537999bbe285c2e750 Message: doc: document summary of grn_expr Modified files: doc/source/reference/api/grn_expr.txt Modified: doc/source/reference/api/grn_expr.txt (+20 -0) =================================================================== --- doc/source/reference/api/grn_expr.txt 2013-08-08 13:34:50 +0900 (b860ffc) +++ doc/source/reference/api/grn_expr.txt 2013-08-09 16:26:25 +0900 (9473ed2) @@ -5,4 +5,24 @@ grn_expr ======== +`grn_expr` is an :c:type:`grn_obj` that represents an expression. Here +is a list of what expression can do: + + * Expression can apply some operations to a record by + :c:function:`grn_expr_exec`. + * Expression can represents search condition. :c:function:`grn_table_select` + can select records that match against the search condition represented + by expression. + +There are two string representations of expression: + + * :doc:`/reference/grn_expr/query_syntax` + * :doc:`/reference/grn_expr/script_syntax` + +:c:function:`grn_expr_parse` parses string represented expression and +appends the parsed expression to another expression. + +Example +------- + TODO... -------------- next part -------------- HTML����������������������������...다운로드