vesoft-inc/nebula

`union` of `SHOW EDGES` and `SHOW TAGS` will crash graphd

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#5,714 opened on Sep 11, 2023

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affects/nonehacktoberfestseverity/nonetype/bug

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Description

This crashed graphd now.

SHOW EDGES
  union
SHOW TAGS

Contributor guide

Research direction
Inspect how SHOW EDGES and SHOW TAGS generate their result rows. Then examine the UNION operator's handling of these rows, especially type matching and memory allocation, to identify the crash cause.
Tech stack
None
Domain
backend
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.
Half day
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
C++Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40