pingcap / pingcap/tiflash

TiFlash schema version newer than query schema version

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#1,947 2 comments 0 reactions 0 assignees View on GitHub

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component/compute type/enhancement
Dominant language
C++
Stars
1k
Forks
423
Avg merge
1d 15h
Merged PRs (30d)
24

Description

Mini reproduce

always execute ddl sql
always execute ap sql through tiflash engine

The ap query raise error of “Error 1105: DB::TiFlashException: Table 63 schema version 190 newer than query schema version 186"

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Research direction

No files, tests, or entry points are identified. Start by reproducing the reported sequence: execute DDL, then run an analytical query through the TiFlash engine, and trace how the table schema versions are compared. Done means the query no longer raises the schema-version error under this sequence.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
databases
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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