question: gets the where condition , or null if none . concode_field_sep List<AliasedNode> select concode_elem_sep ParseNode having concode_elem_sep List<SelectStatement> selects concode_elem_sep OffsetNode offset concode_elem_sep Map<String,UDFParseNode> udfParseNodes concode_elem_sep SelectStatement SELECT_ONE concode_elem_sep List<OrderByNode> orderBy concode_elem_sep boolean isDistinct concode_elem_sep List<ParseNode> groupBy concode_elem_sep TableNode fromTable concode_elem_sep SelectStatement COUNT_ONE concode_elem_sep int bindCount concode_elem_sep HintNode hint concode_elem_sep LimitNode limit concode_elem_sep ParseNode where concode_elem_sep boolean isAggregate concode_elem_sep boolean hasWildcard concode_elem_sep boolean hasSequence concode_field_sep void toSQL concode_elem_sep LimitNode getLimit concode_elem_sep ParseNode getHaving concode_elem_sep OffsetNode getOffset concode_elem_sep boolean isUnion concode_elem_sep List<ParseNode> getGroupBy concode_elem_sep boolean isJoin concode_elem_sep List<OrderByNode> getOrderBy concode_elem_sep int hashCode concode_elem_sep int countConstants concode_elem_sep SelectStatement create concode_elem_sep SelectStatement create concode_elem_sep SelectStatement create concode_elem_sep boolean isAggregate concode_elem_sep SelectStatement combine concode_elem_sep TableNode getFrom concode_elem_sep List<AliasedNode> getSelect concode_elem_sep boolean isDistinct concode_elem_sep int getBindCount concode_elem_sep Map<String,UDFParseNode> getUdfParseNodes concode_elem_sep List<SelectStatement> getSelects concode_elem_sep boolean equals concode_elem_sep Operation getOperation concode_elem_sep String toString concode_elem_sep HintNode getHint concode_elem_sep boolean hasWildcard concode_elem_sep boolean hasSequence concode_elem_sep SelectStatement getInnerSelectStatement
target: ParseNode function ( ) { return where ; }