# [Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/2747?src=pr&el=h1) Report > Merging > [#2747](https://codecov.io/gh/apache/incubator-airflow/pull/2747?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/incubator-airflow/commit/304c2afd20c0ea3139054a38f9eb38d5fa7d930e?src=pr&el=desc) > will **decrease** coverage by `4.39%`. > The diff coverage is `n/a`.
[](https://codecov.io/gh/apache/incubator-airflow/pull/2747?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #2747 +/- ## ======================================== - Coverage 77.49% 73.1% -4.4% ======================================== Files 200 156 -44 Lines 15893 11889 -4004 ======================================== - Hits 12317 8691 -3626 + Misses 3576 3198 -378 ``` | [Impacted Files](https://codecov.io/gh/apache/incubator-airflow/pull/2747?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [airflow/operators/email\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvZW1haWxfb3BlcmF0b3IucHk=) | `0% <0%> (-100%)` | :arrow_down: | | [airflow/hooks/pig\_hook.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9waWdfaG9vay5weQ==) | `0% <0%> (-100%)` | :arrow_down: | | [airflow/operators/redshift\_to\_s3\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvcmVkc2hpZnRfdG9fczNfb3BlcmF0b3IucHk=) | `0% <0%> (-95.56%)` | :arrow_down: | | [airflow/operators/s3\_file\_transform\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvczNfZmlsZV90cmFuc2Zvcm1fb3BlcmF0b3IucHk=) | `0% <0%> (-93.88%)` | :arrow_down: | | [airflow/hooks/mssql\_hook.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9tc3NxbF9ob29rLnB5) | `6.66% <0%> (-66.67%)` | :arrow_down: | | [airflow/hooks/S3\_hook.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9TM19ob29rLnB5) | `30.95% <0%> (-63.38%)` | :arrow_down: | | [airflow/hooks/hdfs\_hook.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9oZGZzX2hvb2sucHk=) | `32.5% <0%> (-60%)` | :arrow_down: | | [airflow/operators/hive\_operator.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9vcGVyYXRvcnMvaGl2ZV9vcGVyYXRvci5weQ==) | `41.02% <0%> (-45.52%)` | :arrow_down: | | [airflow/hooks/\_\_init\_\_.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9fX2luaXRfXy5weQ==) | `58.82% <0%> (-41.18%)` | :arrow_down: | | [airflow/hooks/hive\_hooks.py](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9oaXZlX2hvb2tzLnB5) | `39.52% <0%> (-35.74%)` | :arrow_down: | | ... and [196 more](https://codecov.io/gh/apache/incubator-airflow/pull/2747/diff?src=pr&el=tree-more) | | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/2747?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/2747?src=pr&el=footer). > Last update > [304c2af...6952f0d](https://codecov.io/gh/apache/incubator-airflow/pull/2747?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/2747 ] This message was relayed via gitbox.apache.org for [email protected]
