c++ - Get duplicated record by using QSqlTableModel -


i have table contains duplicated records.

i used following code put data qtableview:

qsqltablemodel *datamodel = new qsqltablemodel(); datamodel->settable("table_name"); datamodel->select();

now wanna query duplicated records. use group by , having in sql haven`t idea how in qt.

finally found solution, used "setfilter" method bellow:

datamodel = new qsqltablemodel(); datamodel->settable("customer"); qstring filter_txt = "id in (select id customer group id having count(*) >1)" ; datamodel->setfilter(filter); datamodel->select();

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