CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration id (children 1)
    DataType UInt64
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Function intHash32 (children 1)
   ExpressionList (children 1)
    Identifier id
  Function intHash32 (children 1)
   ExpressionList (children 1)
    Identifier id
