Misc Fixes

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 93.93939% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 90.40%. Comparing base (6dccf55) to head (cc11103).

Files	Patch %	Lines
lib/connection.js	77.77%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2593 +/- ## ========================================== + Coverage 90.32% 90.40% +0.08% ========================================== Files 71 71 Lines 15717 15716 -1 Branches 1334 1332 -2 ========================================== + Hits 14196 14208 +12 + Misses 1521 1508 -13 ``` | [Flag](https://app.codecov.io/gh/sidorares/node-mysql2/pull/2593/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Sidorov) | Coverage Δ | | |---|---|---| | [compression-0](https://app.codecov.io/gh/sidorares/node-mysql2/pull/2593/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Sidorov) | `90.40% <93.93%> (+0.08%)` | :arrow_up: | | [compression-1](https://app.codecov.io/gh/sidorares/node-mysql2/pull/2593/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Sidorov) | `90.40% <93.93%> (+0.08%)` | :arrow_up: | | [tls-0](https://app.codecov.io/gh/sidorares/node-mysql2/pull/2593/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Sidorov) | `89.94% <81.81%> (+0.10%)` | :arrow_up: | | [tls-1](https://app.codecov.io/gh/sidorares/node-mysql2/pull/2593/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Sidorov) | `90.22% <93.93%> (+0.08%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Andrey+Sidorov#carryforward-flags-in-the-pull-request-comment) to find out more.

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