blakeblackshear.frigate/migrations/020_update_index_recordings.py
tpjanssen 3359123364
Performance increase with lots of recordings (#8525)
* Performance increase with lots of recordings

* Formatting + review

* Update 020_update_index_recordings.py

Formatting

* Feedback + check fix

* Update 020_update_index_recordings.py
2023-11-07 23:18:26 +00:00

41 lines
1.7 KiB
Python

"""Peewee migrations -- 020_update_index_recordings.py.
Some examples (model - class or model name)::
> Model = migrator.orm['model_name'] # Return model in current state by name
> migrator.sql(sql) # Run custom SQL
> migrator.python(func, *args, **kwargs) # Run python code
> migrator.create_model(Model) # Create a model (could be used as decorator)
> migrator.remove_model(model, cascade=True) # Remove a model
> migrator.add_fields(model, **fields) # Add fields to a model
> migrator.change_fields(model, **fields) # Change fields
> migrator.remove_fields(model, *field_names, cascade=True)
> migrator.rename_field(model, old_field_name, new_field_name)
> migrator.rename_table(model, new_table_name)
> migrator.add_index(model, *col_names, unique=False)
> migrator.drop_index(model, *col_names)
> migrator.add_not_null(model, *field_names)
> migrator.drop_not_null(model, *field_names)
> migrator.add_default(model, field_name, default)
"""
import peewee as pw
SQL = pw.SQL
def migrate(migrator, database, fake=False, **kwargs):
migrator.sql("DROP INDEX recordings_end_time_start_time")
migrator.sql(
'CREATE INDEX "recordings_camera_start_time_end_time" ON "recordings" ("camera", "start_time" DESC, "end_time" DESC)'
)
migrator.sql(
'CREATE INDEX "recordings_api_recordings_summary" ON "recordings" ("camera", "start_time" DESC, "duration", "motion", "objects")'
)
migrator.sql('CREATE INDEX "recordings_start_time" ON "recordings" ("start_time")')
def rollback(migrator, database, fake=False, **kwargs):
pass