cube-js/cube

Implementation issue with parseDateTimeBestEffort()

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#2,536 opened on Apr 12, 2021

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 (3 comments) (0 reactions) (0 assignees)Rust (19,563 stars) (1,965 forks)batch import
driver:clickhousehelp wanted

Description

Morning guys. I have my Cube.js configured with a Clickhouse database and while making some tests I've noticed that by default Cube.js constructs the query parsing the dates using parseDateTimeBestEffort() which is great. The problem is I'm dealing with columns that are DateTime64 so the parsing does not work. After talking with you guys on Slack we concluded that this is an implementation issue. I'll wait for your feedback, thanks.

Contributor guide

Tech stack
javascripttypescriptnodejs
Domain
backenddatabase
Issue type
bug
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.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
needs maintainer response
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
Basic knowledge of Cube.jsFamiliarity with ClickHouse
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Examine the implementation of `parseDateTimeBestEffort()` in the Cube.js ClickHouse driver. Check how DateTime64 columns are handled and whether the function can be adapted or if a new parser is needed. Review related Slack discussion for planned changes. The issue lacks clarity on expected behavior; maintainers should provide direction.