# [Codecov](https://codecov.io/gh/apache/arrow/pull/2492?src=pr&el=h1) Report > Merging [#2492](https://codecov.io/gh/apache/arrow/pull/2492?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/arrow/commit/ef21ec9d4e57b61f9ab5144db3846e54e8c940ef?src=pr&el=desc) > will **decrease** coverage by `0.06%`. > The diff coverage is `96.63%`.
[](https://codecov.io/gh/apache/arrow/pull/2492?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #2492 +/- ## ========================================== - Coverage 86.28% 86.21% -0.07% ========================================== Files 308 311 +3 Lines 47099 47338 +239 ========================================== + Hits 40639 40814 +175 - Misses 6388 6450 +62 - Partials 72 74 +2 ``` | [Impacted Files](https://codecov.io/gh/apache/arrow/pull/2492?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [cpp/src/arrow/io/readahead.h](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9pby9yZWFkYWhlYWQuaA==) | `100% <100%> (ø)` | | | [cpp/src/plasma/test/client\_tests.cc](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Y3BwL3NyYy9wbGFzbWEvdGVzdC9jbGllbnRfdGVzdHMuY2M=) | `100% <100%> (ø)` | :arrow_up: | | [cpp/src/arrow/test-util.h](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy90ZXN0LXV0aWwuaA==) | `76.25% <100%> (-0.49%)` | :arrow_down: | | [cpp/src/arrow/io/readahead.cc](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9pby9yZWFkYWhlYWQuY2M=) | `93.68% <93.68%> (ø)` | | | [cpp/src/arrow/io/io-readahead-test.cc](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Y3BwL3NyYy9hcnJvdy9pby9pby1yZWFkYWhlYWQtdGVzdC5jYw==) | `98.49% <98.49%> (ø)` | | | [go/arrow/math/int64\_avx2\_amd64.go](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWF0aC9pbnQ2NF9hdngyX2FtZDY0Lmdv) | `0% <0%> (-100%)` | :arrow_down: | | [go/arrow/math/float64\_avx2\_amd64.go](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWF0aC9mbG9hdDY0X2F2eDJfYW1kNjQuZ28=) | `0% <0%> (-100%)` | :arrow_down: | | [go/arrow/memory/memory\_avx2\_amd64.go](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWVtb3J5L21lbW9yeV9hdngyX2FtZDY0Lmdv) | `0% <0%> (-100%)` | :arrow_down: | | [go/arrow/math/uint64\_avx2\_amd64.go](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWF0aC91aW50NjRfYXZ4Ml9hbWQ2NC5nbw==) | `0% <0%> (-100%)` | :arrow_down: | | [go/arrow/math/uint64\_amd64.go](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree#diff-Z28vYXJyb3cvbWF0aC91aW50NjRfYW1kNjQuZ28=) | `33.33% <0%> (-33.34%)` | :arrow_down: | | ... and [8 more](https://codecov.io/gh/apache/arrow/pull/2492/diff?src=pr&el=tree-more) | | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/arrow/pull/2492?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/2492?src=pr&el=footer). > Last update > [ef21ec9...3cbaa80](https://codecov.io/gh/apache/arrow/pull/2492?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/2492 ] This message was relayed via gitbox.apache.org for [email protected]
