Reduce sqlalchemy reflection overhead at recorder setup time

[bdraco]

Proposed change

Only reflect back the table we are checking instead of all tables

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[home-assistant]

Hey there @home-assistant/core, mind taking a look at this pull request as it has been labeled with an integration (recorder) you are listed as a code owner for? Thanks!

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[bdraco]

There was a lot of show create table happening

Now each check is only checking the table it cares about and now reflecting all of them for each table

2024-03-22 04:12:00.636 INFO (Recorder) [sqlalchemy.engine.Engine] ROLLBACK
2024-03-22 04:12:00.639 INFO (Recorder) [sqlalchemy.engine.Engine] BEGIN (implicit)
2024-03-22 04:12:00.639 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `events`
2024-03-22 04:12:00.639 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 04:12:00.644 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `event_data`
2024-03-22 04:12:00.644 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 04:12:00.648 INFO (Recorder) [sqlalchemy.engine.Engine] ROLLBACK

before we got

2024-03-22 03:50:27.770 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW FULL TABLES FROM `homeassistant`
2024-03-22 03:50:27.770 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.772 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `event_data`
2024-03-22 03:50:27.773 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.774 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `event_types`
2024-03-22 03:50:27.774 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.776 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `events`
2024-03-22 03:50:27.776 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.778 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `migration_changes`
2024-03-22 03:50:27.778 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.780 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `recorder_runs`
2024-03-22 03:50:27.780 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.782 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `schema_changes`
2024-03-22 03:50:27.783 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.784 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `state_attributes`
2024-03-22 03:50:27.784 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.786 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `states`
2024-03-22 03:50:27.786 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.788 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `states_meta`
2024-03-22 03:50:27.788 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.790 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `statistics`
2024-03-22 03:50:27.790 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.792 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `statistics_meta`
2024-03-22 03:50:27.792 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.794 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `statistics_runs`
2024-03-22 03:50:27.794 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()
2024-03-22 03:50:27.796 INFO (Recorder) [sqlalchemy.engine.Engine] SHOW CREATE TABLE `statistics_short_term`
2024-03-22 03:50:27.796 INFO (Recorder) [sqlalchemy.engine.Engine] [raw sql] ()

[frenck]

Thanks, @bdraco 👍

../Frenck

[bdraco]

thanks