GreptimeTeam/greptimedb

Enhance copy from csv file command

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#6,989 opened on Sep 18, 2025

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 (4 comments) (0 reactions) (1 assignee)Rust (522 forks)github user discovery
C-enhancementgood first issuehelp wanted

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Description

What type of enhancement is this?

User experience

What does the enhancement do?

Enhance the COPY [table] FROM '/tmp/test.csv' WITH (FORMAT = 'CSV') command with the following optional parameters:

  • headers= 'true' | 'false': Enforce CSV header validation (default: true).
  • skip_bad_records = 'true' | 'false': Skip rows that fail parsing (default: false).

Implementation challenges

No response

Contributor guide

Research direction
Study the existing COPY FROM CSV implementation in GreptimeDB, then add optional 'headers' and 'skip bad records' parameters to the SQL parser and execution engine. Validate header parsing and handle record skipping accordingly.
Tech stack
rust
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
RustGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70