SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function viewExplain (children 1)
              ExpressionList (children 3)
               Literal \'EXPLAIN\'
               Literal \'\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 4)
                   ExpressionList (children 1)
                    Asterisk
                   TablesInSelectQuery (children 3)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      TableIdentifier tab
                    TablesInSelectQueryElement (children 2)
                     TableExpression (children 1)
                      TableIdentifier mem
                     TableJoin (children 1)
                      Function equals (children 1)
                       ExpressionList (children 2)
                        Identifier k1
                        Identifier mem.k
                    TablesInSelectQueryElement (children 2)
                     TableExpression (children 1)
                      TableIdentifier mem2
                     TableJoin (children 1)
                      Function equals (children 1)
                       ExpressionList (children 2)
                        Identifier k2
                        Identifier mem2.k
                   ExpressionList (children 1)
                    OrderByElement (children 1)
                     Identifier tab.v
                   Set
   Function ilike (children 1)
    ExpressionList (children 2)
     Identifier explain
     Literal \'%ReadFromRemoteParallelReplicas%\'
