CreateQuery skewed_probe (children 3)
 Identifier skewed_probe
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier key
    Identifier begin
 SelectWithUnionQuery (children 1)
  ExpressionList (children 4)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Function plus (alias begin) (children 1)
      ExpressionList (children 2)
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'1990-04-21 13:00:01\'
       Function toIntervalMinute (children 1)
        ExpressionList (children 1)
         Identifier number
     Literal UInt64_0 (alias key)
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 2)
         Literal UInt64_0
         Literal UInt64_5
   SelectQuery (children 2)
    ExpressionList (children 2)
     Function plus (alias begin) (children 1)
      ExpressionList (children 2)
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'1990-05-21 13:00:01\'
       Function toIntervalMinute (children 1)
        ExpressionList (children 1)
         Identifier number
     Literal UInt64_1 (alias key)
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 2)
         Literal UInt64_0
         Literal UInt64_10
   SelectQuery (children 2)
    ExpressionList (children 2)
     Function plus (alias begin) (children 1)
      ExpressionList (children 2)
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'1990-06-21 13:00:01\'
       Function toIntervalMinute (children 1)
        ExpressionList (children 1)
         Identifier number
     Literal UInt64_2 (alias key)
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 2)
         Literal UInt64_0
         Literal UInt64_20
   SelectQuery (children 2)
    ExpressionList (children 2)
     Function plus (alias begin) (children 1)
      ExpressionList (children 2)
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'1990-03-21 13:00:01\'
       Function toIntervalMinute (children 1)
        ExpressionList (children 1)
         Identifier number
     Literal UInt64_3 (alias key)
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 2)
         Literal UInt64_0
         Literal UInt64_4000000
