CreateQuery merge_tree_in_subqueries (children 3)
 Identifier merge_tree_in_subqueries
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration name (children 1)
    DataType String
   ColumnDeclaration num (children 1)
    DataType UInt64
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier id
    Identifier name
