public static Map<String, Object> onNullComparisonExpression(Expression expression, EntityMetadata m,
                                                                 KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery)
    {
        NullComparisonExpression compExp = (NullComparisonExpression) expression;

        String condition = compExp.getIdentifier();
        Expression sfpExp = compExp.getExpression();
        Map<String, Object> map = KunderaQueryUtils.setFieldClazzAndColumnFamily(sfpExp, m, kunderaMetadata);
        kunderaQuery.addFilterClause(
              (String) map.get(Constants.COL_NAME), condition, null,
              (String) map.get(Constants.FIELD_NAME), (Boolean) map.get(Constants.IGNORE_CASE));
        return map;

    }
public static Map < String , Object > onNullComparisonExpression ( Expression expression , EntityMetadata m , KunderaMetadata kunderaMetadata , KunderaQuery kunderaQuery ) { NullComparisonExpression compExp = ( NullComparisonExpression ) expression ; String condition = compExp . getIdentifier ( ) ; Expression sfpExp = compExp . getExpression ( ) ; Map < String , Object > map = KunderaQueryUtils . setFieldClazzAndColumnFamily ( sfpExp , m , kunderaMetadata ) ; kunderaQuery . addFilterClause ( ( String ) map . get ( Constants . COL_NAME ) , condition , null , ( String ) map . get ( Constants . FIELD_NAME ) , ( Boolean ) map . get ( Constants . IGNORE_CASE ) ) ; return map ; }
On null-comparison expression.

@param expression
the expression
@param m
the m
@param idColumn
the id column
@param isIdColumn
the is id column
@return
@return the filter