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Perf: cache iconv decoder #2391
Perf: cache iconv decoder #2391
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if (Buffer.isEncoding(encoding)) { | ||
return buffer.toString(encoding, start, end); | ||
} | ||
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const decoder = Iconv.getDecoder(encoding, options || {}); | ||
// Optimize for common case: encoding="short_string", options=undefined. |
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I figure encoding is probably constant for most users. For my use case, it's always "cesu8" (for utf8mb3).
It looks like the CI failures are a few timeouts waiting for MySQL to come up. Unrelated to changes. |
Hi @sandinmyjoints, about the CI - OSX, please ignore them for now 🙋🏻♂️ I run the "re-run" from time to time until the tests runs to its end. |
lgtm, thanks @sandinmyjoints ! |
A suggestion would be to require LRU as What do you think, @sandinmyjoints? 🙋🏻♂️ For context: |
@wellwelwel: updated! |
Merging as |
This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [mysql2](https://sidorares.github.io/node-mysql2/docs) ([source](https://github.com/sidorares/node-mysql2)) | dependencies | minor | [`3.0.1` -> `3.9.3`](https://renovatebot.com/diffs/npm/mysql2/3.0.1/3.9.3) | --- ### Release Notes <details> <summary>sidorares/node-mysql2 (mysql2)</summary> ### [`v3.9.3`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#393-2024-03-26) [Compare Source](sidorares/node-mysql2@v3.9.2...v3.9.3) ##### Bug Fixes - **security:** improve cache key formation ([#​2424](sidorares/node-mysql2#2424)) ([0d54b0c](sidorares/node-mysql2@0d54b0c)) - Fixes a potential parser cache poisoning attack vulnerability reported by Vsevolod Kokorin (Slonser) of Solidlab - update Amazon RDS SSL CA cert ([#​2131](sidorares/node-mysql2#2131)) ([d9dccfd](sidorares/node-mysql2@d9dccfd)) ### [`v3.9.2`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#392-2024-02-26) [Compare Source](sidorares/node-mysql2@v3.9.1...v3.9.2) ##### Bug Fixes - **stream:** premature close when it is paused ([#​2416](sidorares/node-mysql2#2416)) ([7c6bc64](sidorares/node-mysql2@7c6bc64)) - **types:** expose TypeCast types ([#​2425](sidorares/node-mysql2#2425)) ([336a7f1](sidorares/node-mysql2@336a7f1)) ### [`v3.9.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#391-2024-01-29) [Compare Source](sidorares/node-mysql2@v3.9.0...v3.9.1) ##### Bug Fixes - **types:** support encoding for string type cast ([#​2407](sidorares/node-mysql2#2407)) ([1dc2011](sidorares/node-mysql2@1dc2011)) ### [`v3.9.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#390-2024-01-26) [Compare Source](sidorares/node-mysql2@v3.8.0...v3.9.0) ##### Features - introduce typeCast for `execute` method ([#​2398](sidorares/node-mysql2#2398)) ([baaa92a](sidorares/node-mysql2@baaa92a)) ### [`v3.8.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#380-2024-01-23) [Compare Source](sidorares/node-mysql2@v3.7.1...v3.8.0) ##### Features - **perf:** cache iconv decoder ([#​2391](sidorares/node-mysql2#2391)) ([b95b3db](sidorares/node-mysql2@b95b3db)) ##### Bug Fixes - **stream:** premature close when using `for await` ([#​2389](sidorares/node-mysql2#2389)) ([af47148](sidorares/node-mysql2@af47148)) - The removeIdleTimeoutConnectionsTimer did not clean up when the … ([#​2384](sidorares/node-mysql2#2384)) ([18a44f6](sidorares/node-mysql2@18a44f6)) - **types:** add missing types to TypeCast ([#​2390](sidorares/node-mysql2#2390)) ([78ce495](sidorares/node-mysql2@78ce495)) ### [`v3.7.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#371-2024-01-17) [Compare Source](sidorares/node-mysql2@v3.7.0...v3.7.1) ##### Bug Fixes - add condition which allows code in callback to be reachable ([#​2376](sidorares/node-mysql2#2376)) ([8d5b903](sidorares/node-mysql2@8d5b903)) ### [`v3.7.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#370-2024-01-07) [Compare Source](sidorares/node-mysql2@v3.6.5...v3.7.0) ##### Features - **docs:** release documentation website ([#​2339](sidorares/node-mysql2#2339)) ([c0d77c0](sidorares/node-mysql2@c0d77c0)) ### [`v3.6.5`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#365-2023-11-22) [Compare Source](sidorares/node-mysql2@v3.6.4...v3.6.5) ##### Bug Fixes - add decodeuricomponent to parse uri encoded special characters in host, username, password and datbase keys ([#​2277](sidorares/node-mysql2#2277)) ([fe573ad](sidorares/node-mysql2@fe573ad)) ### [`v3.6.4`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#364-2023-11-21) [Compare Source](sidorares/node-mysql2@v3.6.3...v3.6.4) ##### Bug Fixes - malformed FieldPacket ([#​2280](sidorares/node-mysql2#2280)) ([8831e09](sidorares/node-mysql2@8831e09)) - move missing options to ` ConnectionOptions ` ([#​2288](sidorares/node-mysql2#2288)) ([5cd7639](sidorares/node-mysql2@5cd7639)) ### [`v3.6.3`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#363-2023-11-03) [Compare Source](sidorares/node-mysql2@v3.6.2...v3.6.3) ##### Bug Fixes - correctly pass values when used with sql-template-strings library ([#​2266](sidorares/node-mysql2#2266)) ([6444f99](sidorares/node-mysql2@6444f99)) ### [`v3.6.2`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#362-2023-10-15) [Compare Source](sidorares/node-mysql2@v3.6.1...v3.6.2) ##### Bug Fixes - sql-template-strings/tag compatibility ([#​2238](sidorares/node-mysql2#2238)) ([f2efe5a](sidorares/node-mysql2@f2efe5a)) ### [`v3.6.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#361-2023-09-06) [Compare Source](sidorares/node-mysql2@v3.6.0...v3.6.1) ##### Bug Fixes - EventEmitter on method signatures to use spread syntax ([#​2200](sidorares/node-mysql2#2200)) ([5d21b81](sidorares/node-mysql2@5d21b81)) ### [`v3.6.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#360-2023-08-04) [Compare Source](sidorares/node-mysql2@v3.5.2...v3.6.0) ##### Features - add conn-level `infileStreamFactory` option ([#​2159](sidorares/node-mysql2#2159)) ([5bed0f8](sidorares/node-mysql2@5bed0f8)) ### [`v3.5.2`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#352-2023-07-14) [Compare Source](sidorares/node-mysql2@v3.5.1...v3.5.2) ##### Bug Fixes - Update events that are propagated from pool cluster to include remove ([#​2114](sidorares/node-mysql2#2114)) ([927d209](sidorares/node-mysql2@927d209)) ### [`v3.5.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#351-2023-07-10) [Compare Source](sidorares/node-mysql2@v3.5.0...v3.5.1) ##### Bug Fixes - improvements to allow to use Bun and tls ([#​2119](sidorares/node-mysql2#2119)) ([fd44a2a](sidorares/node-mysql2@fd44a2a)) - missing `ResultSetHeader[]` to `query` and `execute` ([f649486](sidorares/node-mysql2@f649486)) ### [`v3.5.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#350-2023-07-06) [Compare Source](sidorares/node-mysql2@v3.4.5...v3.5.0) ##### Features - improved inspection of columns ([#​2112](sidorares/node-mysql2#2112)) ([69277aa](sidorares/node-mysql2@69277aa)) ### [`v3.4.5`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#345-2023-07-05) [Compare Source](sidorares/node-mysql2@v3.4.4...v3.4.5) ##### Bug Fixes - handle prepare response with actual number of parameter definition less than reported in the prepare header. Fixes [#​2052](sidorares/node-mysql2#2052) ([b658be0](sidorares/node-mysql2@b658be0)) ### [`v3.4.4`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#344-2023-07-04) [Compare Source](sidorares/node-mysql2@v3.4.3...v3.4.4) ##### Bug Fixes - add `ProcedureCallPacket` to `execute` overloads ([3566ef7](sidorares/node-mysql2@3566ef7)) - add `ProcedureCallPacket` to `query` overloads ([352c3bc](sidorares/node-mysql2@352c3bc)) - add `ProcedureCallPacket` to promise-based `execute` overloads ([8292416](sidorares/node-mysql2@8292416)) - add `ProcedureCallPacket` to promise-based `query` overloads ([0f31a41](sidorares/node-mysql2@0f31a41)) - create `ProcedureCallPacket` typings ([09ad1d2](sidorares/node-mysql2@09ad1d2)) ### [`v3.4.3`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#343-2023-06-30) [Compare Source](sidorares/node-mysql2@v3.4.2...v3.4.3) ##### Bug Fixes - remove acquireTimeout invalid option ([#​2095](sidorares/node-mysql2#2095)) ([eb311db](sidorares/node-mysql2@eb311db)) ### [`v3.4.2`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#342-2023-06-26) [Compare Source](sidorares/node-mysql2@v3.4.1...v3.4.2) ##### Bug Fixes - changing type files to declaration type files ([98e6f3a](sidorares/node-mysql2@98e6f3a)) ### [`v3.4.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#341-2023-06-24) [Compare Source](sidorares/node-mysql2@v3.4.0...v3.4.1) ##### Bug Fixes - `createPool` uri overload ([98623dd](sidorares/node-mysql2@98623dd)) - `PoolCluster` typings ([3902ca6](sidorares/node-mysql2@3902ca6)) - create promise-based `PoolCluster` typings ([7f38496](sidorares/node-mysql2@7f38496)) - missing `parserCache` in `promise.js` ([7f35cf5](sidorares/node-mysql2@7f35cf5)) - missing constants in `promise.js` ([4ce2c70](sidorares/node-mysql2@4ce2c70)) - missing keys for `Types` constant ([86655ec](sidorares/node-mysql2@86655ec)) - missing typings for `Charsets` constants ([01f77a0](sidorares/node-mysql2@01f77a0)) - missing typings for `CharsetToEncoding` constants ([609229a](sidorares/node-mysql2@609229a)) - missing typings for `parserCache` ([891a523](sidorares/node-mysql2@891a523)) - missing typings for `Types` constant ([04601dd](sidorares/node-mysql2@04601dd)) - rename file of typings `Charsets` constants ([51c4196](sidorares/node-mysql2@51c4196)) ### [`v3.4.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#340-2023-06-19) [Compare Source](sidorares/node-mysql2@v3.3.5...v3.4.0) ##### Features - support STATE_GTIDS session track information ([2b1520f](sidorares/node-mysql2@2b1520f)) ### [`v3.3.5`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#335-2023-06-12) [Compare Source](sidorares/node-mysql2@v3.3.4...v3.3.5) ##### Bug Fixes - `createPool` `promise` as `PromisePool` ([#​2060](sidorares/node-mysql2#2060)) ([ff3c36c](sidorares/node-mysql2@ff3c36c)) - keepAliveInitialDelay not taking effect ([#​2043](sidorares/node-mysql2#2043)) ([585911c](sidorares/node-mysql2@585911c)) ### [`v3.3.4`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#334-2023-06-11) [Compare Source](sidorares/node-mysql2@v3.3.3...v3.3.4) ##### Bug Fixes - `PromisePoolConnection` import name ([76db54a](sidorares/node-mysql2@76db54a)) - `releaseConnection` types and promise ([4aac9d6](sidorares/node-mysql2@4aac9d6)) ### [`v3.3.3`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#333-2023-05-27) [Compare Source](sidorares/node-mysql2@v3.3.2...v3.3.3) ##### Bug Fixes - add package.json to exports ([#​2026](sidorares/node-mysql2#2026)) ([09fd305](sidorares/node-mysql2@09fd305)) ### [`v3.3.2`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#332-2023-05-23) [Compare Source](sidorares/node-mysql2@v3.3.1...v3.3.2) ##### Bug Fixes - respect enableKeepAlive option ([#​2016](sidorares/node-mysql2#2016)) ([f465c3e](sidorares/node-mysql2@f465c3e)) ### [`v3.3.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#331-2023-05-11) [Compare Source](sidorares/node-mysql2@v3.3.0...v3.3.1) ##### Bug Fixes - LRU constructor ([#​2004](sidorares/node-mysql2#2004)) ([fd3d117](sidorares/node-mysql2@fd3d117)) - Missing types in "mysql" import ([#​1995](sidorares/node-mysql2#1995)) ([b8c79d0](sidorares/node-mysql2@b8c79d0)) ### [`v3.3.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#330-2023-05-06) [Compare Source](sidorares/node-mysql2@v3.2.4...v3.3.0) ##### Features - Added updated/new error codes gathered from MySQL 8.0 source code ([#​1990](sidorares/node-mysql2#1990)) ([85dc6e5](sidorares/node-mysql2@85dc6e5)) ### [`v3.2.4`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#324-2023-04-25) [Compare Source](sidorares/node-mysql2@v3.2.3...v3.2.4) ##### Bug Fixes - **server:** Added missing encoding argument to server-handshake ([#​1976](sidorares/node-mysql2#1976)) ([a4b6b22](sidorares/node-mysql2@a4b6b22)) ### [`v3.2.3`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#323-2023-04-16) [Compare Source](sidorares/node-mysql2@v3.2.2...v3.2.3) ##### Bug Fixes - **types:** add decimalNumbers to createConnection/createPool typings. fixes [#​1803](sidorares/node-mysql2#1803) ([#​1817](sidorares/node-mysql2#1817)) ([bb48462](sidorares/node-mysql2@bb48462)) ### [`v3.2.2`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#322-2023-04-16) [Compare Source](sidorares/node-mysql2@v3.2.1...v3.2.2) ##### Bug Fixes - `ConnectionOptions` conflict between `mysql` and `mysql/promise` ([#​1955](sidorares/node-mysql2#1955)) ([eca8bda](sidorares/node-mysql2@eca8bda)) ### [`v3.2.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#321-2023-04-13) [Compare Source](sidorares/node-mysql2@v3.2.0...v3.2.1) ##### Bug Fixes - Add typings for Connection.promise(). ([#​1949](sidorares/node-mysql2#1949)) ([e3ca310](sidorares/node-mysql2@e3ca310)) - PoolConnection redundancy when extending Connection interface in TypeScript ([7c62d11](sidorares/node-mysql2@7c62d11)) ### [`v3.2.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#320-2023-03-03) [Compare Source](sidorares/node-mysql2@v3.1.2...v3.2.0) ##### Features - maxVersion ssl option to tls.createSecureContext ([0c40ef9](sidorares/node-mysql2@0c40ef9)) ### [`v3.1.2`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#312-2023-02-08) [Compare Source](sidorares/node-mysql2@v3.1.1...v3.1.2) ##### Bug Fixes - update `lru-cache` reset method to clear ([114f266](sidorares/node-mysql2@114f266)) ### [`v3.1.1`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#311-2023-02-07) [Compare Source](sidorares/node-mysql2@v3.1.0...v3.1.1) ##### Bug Fixes - remove accidental log in caching_sha2\_password.js ([c1202b6](sidorares/node-mysql2@c1202b6)) ### [`v3.1.0`](https://github.com/sidorares/node-mysql2/blob/HEAD/Changelog.md#310-2023-01-30) [Compare Source](sidorares/node-mysql2@v3.0.1...v3.1.0) ##### Features - cleanup buffer/string conversions in hashing/xor helpers that were failing in Bun ([a2392e2](sidorares/node-mysql2@a2392e2)) ##### Bug Fixes - when port is pased as a string convert it to a number (Bun's net.connect does not automatically convert this) ([703ecb2](sidorares/node-mysql2@703ecb2)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4wLjAiLCJ1cGRhdGVkSW5WZXIiOiIzNy4wLjAiLCJ0YXJnZXRCcmFuY2giOiJkZXZlbG9wIn0=--> Reviewed-on: https://gitea.vylpes.xyz/RabbitLabs/Droplet/pulls/300 Co-authored-by: Renovate Bot <renovate@vylpes.com> Co-committed-by: Renovate Bot <renovate@vylpes.com>
While getting an iconv decoder isn't particularly slow, I noticed it happens a lot when decoding lots of varchar rows. From internal testing, with 5000 rows of a table containing two varchar utf8mb3 columns (length 100 and 500), I'm seeing about 12% speedup with this change.