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2014/10/15 ¤U¤È 10:12:58

iphone Programming Glossary: property_value

NSPredicate subquery syntax

http://stackoverflow.com/questions/9630237/nspredicate-subquery-syntax

started off with NSPredicate lookupPredicate NSPredicate predicateWithFormat @ row_values.property_id @ AND row_values.property_value @ @ 47cc67093475061e01000540 @ Male dataRows filterUsingPredicate lookupPredicate This returns no values. I've tried various.. out the incantation to make this work... any ideas dataRows row 1 row_values property_id 47cc67093475061e01000542 property_value Mr. property_id 47cc67093475061e01000540 property_value Male row 2 row_values property_id 47cc67093475061e01000542.. row 1 row_values property_id 47cc67093475061e01000542 property_value Mr. property_id 47cc67093475061e01000540 property_value Male row 2 row_values property_id 47cc67093475061e01000542 property_value Ms. ... iphone ios nsarray nspredicate..