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supporting ECMAScript Temporal

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#3,663 7 条评论 18 个 reaction 已指派 0 人 在 GitHub 查看

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评估

难度
5/5
预计耗时
一周以上
新手友好度
35/100
Issue 类型
功能
描述清晰度
需要澄清
活跃度
冷清
技术栈
javascript, postgresql
领域
backend, databases

调研方向

先阅读 pg@9.0 的 breaking changes 讨论和里程碑，然后查看所引用的 Temporal 文档以及现有的 pg_types 方法。issue 没有指出任何实现文件或测试；要继续推进，需要确定映射，并就启用不向后兼容行为的机制达成一致。

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描述

Word is that Temporal has reached Stage 4 and will be included in the next ECMAScript draft. I think it looks very promising and will allow for much better support for some PostgreSQL datatypes by mapping them to proper types instead of strings.
I took Temporal for a spin with the latest NodeJS nightly and ran some really basic happy path tests for the no-brainer datatype mappings:

  1. Temporal.Duration to PostgreSQL interval
  2. Temporal.PlainDate to PostgreSQL date
  3. Temporal.PlainTime to PostgreSQL time

Other mappings might not be so obvious and/or a matter of personal preference (e.g. I have no use for Temporal.ZonedDateTime and strongly prefer to get everything out of the database as Temporal.Instant). And obviously backward compatibility is its own can of worms.

Temporal support was also requested in the pg@9.0 breaking changes ideas discussion, but it has not been added to the pg@9.0 milestone. Is there a specific reason temporal not added to the milestone? Sorting out pg_types first?

Is there a template/guidance on how to propose changes that are not backward-compatible and can be enabled using a simple mechanism so it is possible to just add one option / env variable that switches all datetime parsing to Temporal datatypes instead?

主要语言
JavaScript
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