CreateQuery t_merge_profile_events_1 (children 3)
 Identifier t_merge_profile_events_1
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration v1 (children 1)
    DataType UInt64
   ColumnDeclaration v2 (children 1)
    DataType UInt64
 Storage definition (children 3)
  Function MergeTree
  Identifier id
  Set
