luckyframework/avram

Add `Time::Span` for `interval` column

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#841 opened on May 10, 2022

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Description

in postgres, you can do this

# select interval '1 hour';
 interval 
----------
 01:00:00
(1 row)

and in Crystal 1.hour gives you 01:00:00.

Contributor guide

Research direction
Study Avram's column type system and existing mappings (e.g., Time). Implement a new column type for PostgreSQL interval that converts to Crystal's Time::Span. Look at how Avram handles other Postgres specific types.
Tech stack
postgresql
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
CrystalPostgreSQL
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60