session, planner: Add a factor getter for networkFactor/scanFactor/descScanFactor/seekFactor

[mmyj]

What problem does this PR solve?

Problem Summary:

Add the factor getter for networkFactor/scanFactor/descScanFactor/seekFactor. The getter will return 0, when the data source table is a temporary table.

What is changed and how it works?

How it Works:

The getter will return 0, when the model.TableInfo is a temporary table.

Related changes

• N/A

Check List

Tests

• No code

Side effects

• N/A

Release note

• Add a factor getter for networkFactor/scanFactor/descScanFactor/seekFactor

[djshow832]

@qw4990 Do you think it's OK to set factors to 0? Is it necessary to set scan factor to 0?

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• djshow832
• qw4990

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[djshow832]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: bf943d7

[mmyj]

/merge

[ti-chi-bot]

@mmyj: /merge is only allowed for the committers, you can assign this pull request to the committer in list by filling /assign @committer in the comment to help merge this pull request.

In response to this:

/merge

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[djshow832]

/run-check_dev_2

[ti-chi-bot]

@mmyj: Your PR was out of date, I have automatically updated it for you.

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[djshow832]

/run-check_dev_2

[djshow832]

/run-unit-test