Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

use execute_many from backends directly #468

Open
wants to merge 3 commits into
base: master
Choose a base branch
from

Conversation

Mng-dev-ai
Copy link
Contributor

@Mng-dev-ai Mng-dev-ai commented Feb 22, 2022

Fixes #284

@Mng-dev-ai
Copy link
Contributor Author

@aminalaee Any updates?

Comment on lines 279 to +281
queries = [self._build_query(query, values_set) for values_set in values]
async with self._query_lock:
await self._connection.execute_many(queries)
await self._connection.execute_many(queries, values)
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Should we avoid building the queries here if you're going to compile them later?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Hmm, it's been a long time since I wrote this PR, but I think we still need to convert the query to ClauseElement and bind params, but maybe we don't need list comprehension here, so maybe something like that is sufficient

async def execute_many(
        self, query: typing.Union[ClauseElement, str], values: list
    ) -> None:
        query = self._build_query(query,values[0])
        async with self._query_lock:
            await self._connection.execute_many(query, values)

Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Hm interesting. I'm not sure myself, just wanted to check if you had considered it.

Thanks for chiming in on this after the delay. If you're interested in working on it again I can review and release it. Did you confirm this works and improves performance as expected?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I can work on it tmr for a few.
it should improve the performance but i didn't make any benchmarks tbh

Comment on lines +219 to +221
async def execute_many(
self, queries: typing.List[ClauseElement], values: typing.List[dict]
) -> None:
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I presume this it not a breaking change for users because this is an internal method and values is always provided by us in the public method?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I'm not sure I understand what you mean here, but I think users are only supposed to use execute_many from the core file, not from any of the backends

Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Yep that's the question — I want to gauge if changing this function signature is a breaking change.

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

yea I don't think it should break anything

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

Inserting to database using execute_many much slower than using fetch_all
3 participants