# [Codecov](https://codecov.io/gh/apache/arrow/pull/2478?src=pr&el=h1) Report > Merging [#2478](https://codecov.io/gh/apache/arrow/pull/2478?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/arrow/commit/628b74b0de0a3d7ea6d7f424f605922fb8637b46?src=pr&el=desc) > will **increase** coverage by `1.33%`. > The diff coverage is `100%`.
[](https://codecov.io/gh/apache/arrow/pull/2478?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #2478 +/- ## ========================================== + Coverage 86.19% 87.53% +1.33% ========================================== Files 308 246 -62 Lines 47069 43359 -3710 ========================================== - Hits 40572 37955 -2617 + Misses 6423 5404 -1019 + Partials 74 0 -74 ``` | [Impacted Files](https://codecov.io/gh/apache/arrow/pull/2478?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [cpp/src/arrow/buffer.h](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9idWZmZXIuaA==) | `95.69% <ø> (ø)` | :arrow_up: | | [cpp/src/arrow/builder.cc](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9idWlsZGVyLmNj) | `83.2% <ø> (+3.3%)` | :arrow_up: | | [cpp/src/arrow/builder.h](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9idWlsZGVyLmg=) | `97.64% <ø> (+0.38%)` | :arrow_up: | | [python/pyarrow/\_\_init\_\_.py](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-cHl0aG9uL3B5YXJyb3cvX19pbml0X18ucHk=) | `70.31% <ø> (-0.46%)` | :arrow_down: | | [cpp/src/plasma/client.h](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-Y3BwL3NyYy9wbGFzbWEvY2xpZW50Lmg=) | `100% <ø> (ø)` | :arrow_up: | | [python/pyarrow/io.pxi](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-cHl0aG9uL3B5YXJyb3cvaW8ucHhp) | `60.92% <ø> (-0.1%)` | :arrow_down: | | [cpp/src/arrow/buffer.cc](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9idWZmZXIuY2M=) | `95.78% <ø> (+1.97%)` | :arrow_up: | | [cpp/src/plasma/test/client\_tests.cc](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-Y3BwL3NyYy9wbGFzbWEvdGVzdC9jbGllbnRfdGVzdHMuY2M=) | `100% <ø> (ø)` | :arrow_up: | | [python/pyarrow/ipc.pxi](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-cHl0aG9uL3B5YXJyb3cvaXBjLnB4aQ==) | `70.64% <100%> (ø)` | :arrow_up: | | [python/pyarrow/ipc.py](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree#diff-cHl0aG9uL3B5YXJyb3cvaXBjLnB5) | `100% <100%> (ø)` | :arrow_up: | | ... and [63 more](https://codecov.io/gh/apache/arrow/pull/2478/diff?src=pr&el=tree-more) | | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/arrow/pull/2478?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/arrow/pull/2478?src=pr&el=footer). > Last update > [628b74b...56343a6](https://codecov.io/gh/apache/arrow/pull/2478?src=pr&el=lastupdated). > Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments). [ Full content available at: https://github.com/apache/arrow/pull/2478 ] This message was relayed via gitbox.apache.org for [email protected]
