当我执行以下查询时,即使有11条匹配的记录,也没有按照写入的方式返回.但是,如果我删除第6行和第9行的括号,则按预期返回所有11条记录.
1 select obj_id, obj_title, UI_DISPLAYNAME
2 from PITS_OBJECT
3 LEFT OUTER JOIN ui_displayname_view ON obj_create_ui_id = UI_ID
4 where
5 /* w/ parens, no results, w/o parens, expected results */
6 (
7 Upper( UI_DISPLAYNAME ) LIKE Upper( '%smith%' )
8 OR Upper( OBJ_TITLE ) LIKE Upper( '%smith%' )
9 )
10 /* end w/ parents, no results.... */
11 AND OBJ_ID IN (select obj_id from PITS_OBJECT where
12 (UPPER( OBJ_TITLE ) LIKE UPPER( '%smith%' ))
13 AND obj_id …