CreateQuery primary (children 4)
 Identifier primary
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration primary (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree
  Identifier primary
  Set
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_1000