SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 5)
    Identifier d
    Identifier k1
    Identifier k2
    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 3)
    Identifier d
    Identifier k1
    Identifier k2
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier d
    OrderByElement (children 1)
     Identifier k1
    OrderByElement (children 1)
     Identifier k2