# [Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3933?src=pr&el=h1) Report > Merging > [#3933](https://codecov.io/gh/apache/incubator-airflow/pull/3933?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/incubator-airflow/commit/dd85126f2667e46c78c5aaf2026462aa2787dd1a?src=pr&el=desc) > will **decrease** coverage by `2.65%`. > The diff coverage is `n/a`.
[](https://codecov.io/gh/apache/incubator-airflow/pull/3933?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #3933 +/- ## ========================================= - Coverage 77.55% 74.9% -2.66% ========================================= Files 200 200 Lines 15969 15968 -1 ========================================= - Hits 12385 11961 -424 - Misses 3584 4007 +423 ``` | [Impacted Files](https://codecov.io/gh/apache/incubator-airflow/pull/3933?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [airflow/operators/postgres\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvcG9zdGdyZXNfb3BlcmF0b3IucHk=) | `0% <0%> (-100%)` | :arrow_down: | | [airflow/operators/mysql\_to\_hive.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvbXlzcWxfdG9faGl2ZS5weQ==) | `0% <0%> (-100%)` | :arrow_down: | | [airflow/operators/mysql\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvbXlzcWxfb3BlcmF0b3IucHk=) | `0% <0%> (-100%)` | :arrow_down: | | [airflow/operators/generic\_transfer.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvZ2VuZXJpY190cmFuc2Zlci5weQ==) | `0% <0%> (-100%)` | :arrow_down: | | [airflow/operators/docker\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvZG9ja2VyX29wZXJhdG9yLnB5) | `0% <0%> (-97.73%)` | :arrow_down: | | [airflow/operators/s3\_to\_hive\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvczNfdG9faGl2ZV9vcGVyYXRvci5weQ==) | `0% <0%> (-94.02%)` | :arrow_down: | | [airflow/security/kerberos.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9zZWN1cml0eS9rZXJiZXJvcy5weQ==) | `0% <0%> (-71.43%)` | :arrow_down: | | [airflow/operators/latest\_only\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvbGF0ZXN0X29ubHlfb3BlcmF0b3IucHk=) | `25% <0%> (-65%)` | :arrow_down: | | [airflow/operators/subdag\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvc3ViZGFnX29wZXJhdG9yLnB5) | `70.96% <0%> (-19.36%)` | :arrow_down: | | [airflow/hooks/mysql\_hook.py](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9teXNxbF9ob29rLnB5) | `58% <0%> (-18%)` | :arrow_down: | | ... and [17 more](https://codecov.io/gh/apache/incubator-airflow/pull/3933/diff?src=pr&el=tree-more) | | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3933?src=pr&el=continue). > **Legend** - [Click here to learn > more](https://docs.codecov.io/docs/codecov-delta) > `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data` > Powered by > [Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3933?src=pr&el=footer). > Last update > [dd85126...db7279c](https://codecov.io/gh/apache/incubator-airflow/pull/3933?src=pr&el=lastupdated). > Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments). [ Full content available at: https://github.com/apache/incubator-airflow/pull/3933 ] This message was relayed via gitbox.apache.org for [email protected]
