文档解释ORA-56904:pivotvaluemusthavedatatypethatisconvertibletopivotcolumnCause:Datatypeofpivotvalueisnotconvertibletothedatatypeofpivotcolumn.Action:Checkandcorrec...

inconvertibletypes;cannotcast'android.supoort.v4.app.Fragment'to'com.example.sevenun.littledemo.fragment.NewsTitleFragment'inconvertibletypes;cannotcast'android...