find out duplicate name . concode_field_sep PlaceHolder placeHolder concode_field_sep void validateSkewedColNames concode_elem_sep void validateSkewedColNameValueNumberMatch concode_elem_sep void validateSkewedInformation
void function ( List < String > arg0 ) { Set < String > loc0 = new HashSet < String > ( ) ; for ( String loc1 : arg0 ) { if ( loc0 . contains ( loc1 ) ) { throw new SemanticException ( ErrorMsg . SKEWED_TABLE_DUPLICATE_COLUMN_NAMES . getMsg ( loc1 ) ) ; } else { loc0 . add ( loc1 ) ; } } }