SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Function arrayJoin (alias point) (children 1)
     ExpressionList (children 1)
      Function lttb (children 2)
       ExpressionList (children 2)
        Identifier x
        Identifier y
       ExpressionList (children 1)
        Literal UInt64_1000
    Function tupleElement (alias point_x) (children 1)
     ExpressionList (children 2)
      Identifier point
      Literal UInt64_1
    Function minus (alias point_x_diff_with_previous_row) (children 1)
     ExpressionList (children 2)
      Identifier point_x
      Function neighbor (children 1)
       ExpressionList (children 2)
        Identifier point_x
        Literal Int64_-1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier largestTriangleTreeBucketsBucketSizeTest
   Literal UInt64_990
   Literal UInt64_10
