pingcap/tidb

Table of different sources sync to tidb, operation is not expected

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#19,632 opened on Sep 1, 2020

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challenge-programgood first issuesig/executiontype/enhancement

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Description

Description

源多个库的表入tidb的同一张表，其中某个源库表truncate的时候，只会truncate下游部分数据，不会truncate整张表

SIG slack channel

#sig-exec

Score

  • 300

Mentor

  • @XuHuaiyu

Contributor guide

Research direction
Investigate the sync logic for truncate operations across multiple source tables. Trace the code path that handles TRUNCATE in the synchronization module.
Tech stack
go
Domain
backenddatabasedistributed systems
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.
3-5 days
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.
Mostly clear
Prerequisites
GoDistributed Systems
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30