question: get expression . concode_field_sep int START concode_elem_sep int END concode_elem_sep List<Expression> expressionList concode_elem_sep int SPATIAL_INTERSECTS concode_elem_sep int compareType concode_elem_sep Expression expression concode_elem_sep int EQUALITY concode_elem_sep int RANGE concode_elem_sep Column column concode_elem_sep Query expressionQuery concode_elem_sep int ALWAYS_FALSE concode_field_sep int getMask concode_elem_sep Query getExpressionQuery concode_elem_sep boolean isStart concode_elem_sep int getCompareType concode_elem_sep boolean isEnd concode_elem_sep ResultInterface getCurrentResult concode_elem_sep IndexCondition getInList concode_elem_sep String getSQL concode_elem_sep List<Expression> getExpressionList concode_elem_sep IndexCondition getInQuery concode_elem_sep boolean isSpatialIntersects concode_elem_sep Value getCurrentValue concode_elem_sep IndexCondition get concode_elem_sep Column getColumn concode_elem_sep boolean isEvaluatable concode_elem_sep String toString concode_elem_sep boolean isAlwaysFalse concode_elem_sep String compareTypeToString concode_elem_sep Value[] getCurrentValueList
target: Expression function ( ) { return expression ; }