accelerate dumpTree by cache tree_id inside BlockInputStream

[windtalker]

Signed-off-by: xufei xufeixw@mail.ustc.edu.cn

What problem does this PR solve?

Issue Number: close #4494

Problem Summary:

What is changed and how it works?

1. accelerate dumpTree by cache tree_id inside BlockInputStream
2. only generate the query pipeline if needed.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

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[ywqzzy]

Why not use FmtBuffer like this？https://github.com/pingcap/tiflash/pull/4339/files

[SeaRise]

close by #4506