private boolean isQueryOutputColumnsUpdated() {
        if (queryOutputColumns.length != outputColumns.length) {
            return false;
        }
        for (int i = 0; i < queryOutputColumns.length; i++) {
            final Column outputColumn = queryOutputColumns[i];
            final String expectedName = outputColumns[i];
            if (!expectedName.equals(outputColumn.getName())) {
                return false;
            }
            if (tableName != null && !tableName.equals(outputColumn.getTable().getName())) {
                return false;
            }
        }

        return true;
    }
private boolean isQueryOutputColumnsUpdated ( ) { if ( queryOutputColumns . length != outputColumns . length ) { return false ; } for ( int i = 0 ; i < queryOutputColumns . length ; i ++ ) { final Column outputColumn = queryOutputColumns [ i ] ; final String expectedName = outputColumns [ i ] ; if ( ! expectedName . equals ( outputColumn . getName ( ) ) ) { return false ; } if ( tableName != null && ! tableName . equals ( outputColumn . getTable ( ) . getName ( ) ) ) { return false ; } } return true ; }
Checks the validity of the current (cached) output columns array.

@return true if the current columns are valid