android - Error in group by clause in query() method of ContentResolver -

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i getting error in using following query. how resolve it?

string projection[] = {data.contact_id,data.display_name,phone.number,data.raw_contact_id,email.data,phone.data1,structuredpostal.street,structuredpostal.postcode};          cursor c = getcontentresolver().query(                 data.content_uri,                  projection,                  "(" + data.mimetype + "=? or " + data.mimetype + "=?) group ?",                  new string[]{email.content_item_type, phone.content_item_type, data.contact_id},                 data.contact_id);

logcat :

02-06 14:18:01.175: e/androidruntime(6884): fatal exception: intentservice[contactmanagerservice] 02-06 14:18:01.175: e/androidruntime(6884): android.database.sqlite.sqliteexception: near "group": syntax error: , while compiling: select contact_id, display_name, data1, raw_contact_id, data1, data1, data4, data9 view_data data (1) , (((mimetype=? or mimetype=?) group ?)) order contact_id 02-06 14:18:01.175: e/androidruntime(6884):     @ android.database.databaseutils.readexceptionfromparcel(databaseutils.java:180) 02-06 14:18:01.175: e/androidruntime(6884):     @ android.database.databaseutils.readexceptionfromparcel(databaseutils.java:136) 02-06 14:18:01.175: e/androidruntime(6884):     @ android.content.contentproviderproxy.query(contentprovidernative.java:358) 02-06 14:18:01.175: e/androidruntime(6884):     @ android.content.contentresolver.query(contentresolver.java:311) 02-06 14:18:01.175: e/androidruntime(6884):     @ com.ecosmob.contactpro.service.contactmanagerservice.onhandleintent(contactmanagerservice.java:103) 02-06 14:18:01.175: e/androidruntime(6884):     @ android.app.intentservice$servicehandler.handlemessage(intentservice.java:65) 02-06 14:18:01.175: e/androidruntime(6884):     @ android.os.handler.dispatchmessage(handler.java:99) 02-06 14:18:01.175: e/androidruntime(6884):     @ android.os.looper.loop(looper.java:137) 02-06 14:18:01.175: e/androidruntime(6884):     @ android.os.handlerthread.run(handlerthread.java:60)

it's not possible use group by contentresolver query. there used parenthesis injection tricks place group by in syntactically correct place doesn't work on platform versions.

also, can use ? placeholder literals only, not identifiers such column names.

consider approach data need in way want.


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