UCP: Migrate dataForKeyColumnUsage from package infoschema to executor

[lonng]

Description

This is sub-task of #14828

The package infoschema should be used to store meta-information for virtual tables only.
But there is some retrieval data logic of the virtual table, which messes the infoschema .
PR #14704 has begun to migrate them. You can reference #14704 to help you migrate the dataForKeyColumnUsage

Score

• 50

Mentor(s)

• @lonng

Recommended Skills

• Go

Learning Materials

• PR: infoschema: Migrate the infoschema's retrieving data logic for 'schemata' to executor #14704

[psinghal20]

/pick-up-challenge

[sre-bot]

@psinghal20 this is not a performance challenge issue.

[psinghal20]

/pick-up-challenge

[sre-bot]

@psinghal20 this is not a performance challenge issue.

[psinghal20]

@lonng is this not part of the UCP?

[zz-jason]

@lonng is this not part of the UCP?

Hi @psinghal20 sorry for the confusion. This is a PCP issue. Don't worry, just ignore the error message above. Once your PR is merged, you can get the score of this issue.

[you06]

@psinghal20 try picking again please.

[psinghal20]

/pick-up-challenge

[sre-bot]

@psinghal20 pick up issue success