WIP: parallel acceleration of materialized view creation

[pyh4]

Use PolarDB PG's HTAP ability to accelerate materialized view creation.

Optimizer in PolarDB PG can generate MPP execution plan for qualifying SQLs, enabling concurrent execution of such a plan across multiple PolarDB PG instances. Utilize this ability to generate a MPP execution plan for materialized view creation.

relate to #247

[polardb-bot[bot]]

Hi @pyh4 ~ Congratulations to your first PR to PolarDB. 🎉

Please make sure that your PR conforms the standard, and has passed all the checks.

We will review your PR as soon as possible.

[mrdrivingduck]

@pyh4 , Let's create some small targets:

• [ ] Creating materialized views with MPP reading
• [ ] Creating materialized views with MPP writing
• [ ] Benchmarking

[polardb-bot[bot]]

Hey @pyh4 :

Congratulations~ 🎉 Your commit has passed all the checks. Please wait for further manual review.

[polardb-bot[bot]]

Hey @pyh4 :

Congratulations~ 🎉 Your commit has passed all the checks. Please wait for further manual review.

[mrdrivingduck]

Let's rebase all of the commit into a single one. @pyh4

[CLAassistant]

All committers have signed the CLA.

[polardb-bot[bot]]

Hey @pyh4 :

Congratulations~ 🎉 Your commit has passed all the checks. Please wait for further manual review.

[mrdrivingduck]

@pyh4 Nice feature~ I have no more comments. Thanks for your contribution!

[mrdrivingduck]

/rebase-and-merge

[polardb-bot[bot]]

@mrdrivingduck PR has been merged. 🍗

Thanks again for the contributors involved in this thread: ❤️

• @pyh4