CreateQuery shard2 (children 3)
 Identifier shard2
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration id (children 1)
    DataType Int32
 Storage definition (children 2)
  Function MergeTree
  Function cityHash64 (children 1)
   ExpressionList (children 1)
    Identifier id