SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 4)
    Identifier d
    Identifier k1
    Function uniqMerge (children 1)
     ExpressionList (children 1)
      Identifier Uniq
    Function uniqThetaMerge (children 1)
     ExpressionList (children 1)
      Identifier UniqThetaSketch
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier stored_aggregates
   ExpressionList (children 2)
    Identifier d
    Identifier k1
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier d
    OrderByElement (children 1)
     Identifier k1