# [Codecov](https://codecov.io/gh/apache/arrow/pull/2464?src=pr&el=h1) Report > Merging [#2464](https://codecov.io/gh/apache/arrow/pull/2464?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/arrow/commit/4969da7a629e94d059b875956dc4f041bddf6d20?src=pr&el=desc) > will **increase** coverage by `1.26%`. > The diff coverage is `100%`.
[](https://codecov.io/gh/apache/arrow/pull/2464?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #2464 +/- ## ========================================== + Coverage 86.15% 87.42% +1.26% ========================================== Files 306 244 -62 Lines 46667 43001 -3666 ========================================== - Hits 40208 37592 -2616 + Misses 6389 5409 -980 + Partials 70 0 -70 ``` | [Impacted Files](https://codecov.io/gh/apache/arrow/pull/2464?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [cpp/src/arrow/python/python\_to\_arrow.cc](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9weXRob24vcHl0aG9uX3RvX2Fycm93LmNj) | `89.57% <100%> (+0.04%)` | :arrow_up: | | [cpp/src/arrow/python/serialize.cc](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9weXRob24vc2VyaWFsaXplLmNj) | `88.94% <100%> (+0.05%)` | :arrow_up: | | [rust/src/lib.rs](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-cnVzdC9zcmMvbGliLnJz) | | | | [go/arrow/array/bufferbuilder.go](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Z28vYXJyb3cvYXJyYXkvYnVmZmVyYnVpbGRlci5nbw==) | | | | [go/arrow/math/float64.go](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWF0aC9mbG9hdDY0Lmdv) | | | | [rust/src/util/bit\_util.rs](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-cnVzdC9zcmMvdXRpbC9iaXRfdXRpbC5ycw==) | | | | [go/arrow/datatype\_nested.go](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Z28vYXJyb3cvZGF0YXR5cGVfbmVzdGVkLmdv) | | | | [go/arrow/array/null.go](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Z28vYXJyb3cvYXJyYXkvbnVsbC5nbw==) | | | | [go/arrow/math/float64\_avx2\_amd64.go](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWF0aC9mbG9hdDY0X2F2eDJfYW1kNjQuZ28=) | | | | [go/arrow/memory/memory\_sse4\_amd64.go](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWVtb3J5L21lbW9yeV9zc2U0X2FtZDY0Lmdv) | | | | ... and [54 more](https://codecov.io/gh/apache/arrow/pull/2464/diff?src=pr&el=tree-more) | | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/arrow/pull/2464?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/2464?src=pr&el=footer). > Last update > [4969da7...e575246](https://codecov.io/gh/apache/arrow/pull/2464?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/2464 ] This message was relayed via gitbox.apache.org for [email protected]
