visit
Visit a parse tree produced by the values labeled alternative in statementstatementstatementstatementcreateCommandcreateCommanddropCommanddropCommandtableDefPartcolumnConstraintDefcolumnConstraintDefdmldmldmldmlpathSimpleStepspathSimpleStepspathSimpleStepsfromClauseSimplefromClauseSimpleselectClauseselectClauseselectClauseselectClauseexcludeExprStepsexcludeExprStepsexcludeExprStepsexcludeExprStepsexcludeExprStepsmatchSelectormatchSelectormatchSelectoredgeedgeedgeWSpecedgeWSpecedgeWSpecedgeWSpecedgeWSpecedgeWSpecedgeWSpeclabelSpeclabelSpeclabelTermlabelTermlabelFactorlabelFactorlabelPrimarylabelPrimarylabelPrimarytableReferencetableReferencetableReferencetableReferencetableBaseReferencetableBaseReferencetableBaseReferencejoinRhsjoinRhsexprBagOpexprBagOpexprBagOpexprBagOpexprSelectexprSelectexprOrexprOrexprAndexprAndexprNotexprNotexprPredicateexprPredicateexprPredicateexprPredicateexprPredicateexprPredicateexprPrimaryexprPrimaryexprTermexprTermexprTermexprTermaggregateaggregatewindowFunctionfunctionNamefunctionNamepathSteppathSteppathSteppathStepvarRefExprvarRefExprliteralliteralliteralliteralliteralliteralliteralliteralliteralliteralliteraltypetypetypetypetypetype.
Return
the visitor result
Parameters
the parse tree