QUERY id: 0
  PROJECTION COLUMNS
    key Int64
    someCol String
    eventTime DateTime
  PROJECTION
    LIST id: 1, nodes: 3
      COLUMN id: 2, column_name: key, result_type: Int64, source_id: 3
      COLUMN id: 4, column_name: someCol, result_type: String, source_id: 3
      COLUMN id: 5, column_name: eventTime, result_type: DateTime, source_id: 3
  JOIN TREE
    QUERY id: 3, alias: __table1, is_subquery: 1, is_cte: 1, cte_name: merged_test
      PROJECTION COLUMNS
        key Int64
        someCol String
        eventTime DateTime
      PROJECTION
        LIST id: 6, nodes: 3
          COLUMN id: 7, column_name: key, result_type: Int64, source_id: 8
          COLUMN id: 9, column_name: someCol, result_type: String, source_id: 8
          COLUMN id: 10, column_name: eventTime, result_type: DateTime, source_id: 8
      JOIN TREE
        TABLE id: 8, alias: __table2, table_name: default.t, final: 1
1	first	2024-04-19 01:01:01