blakeblackshear.frigate/migrations/001_create_events_table.py

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2020-12-24 14:47:27 +01:00
"""Peewee migrations -- 001_create_events_table.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 datetime as dt
import peewee as pw
from decimal import ROUND_HALF_EVEN
try:
import playhouse.postgres_ext as pw_pext
except ImportError:
pass
SQL = pw.SQL
def migrate(migrator, database, fake=False, **kwargs):
migrator.sql('CREATE TABLE IF NOT EXISTS "event" ("id" VARCHAR(30) NOT NULL PRIMARY KEY, "label" VARCHAR(20) NOT NULL, "camera" VARCHAR(20) NOT NULL, "start_time" DATETIME NOT NULL, "end_time" DATETIME NOT NULL, "top_score" REAL NOT NULL, "false_positive" INTEGER NOT NULL, "zones" JSON NOT NULL, "thumbnail" TEXT NOT NULL)')
migrator.sql('CREATE INDEX IF NOT EXISTS "event_label" ON "event" ("label")')
migrator.sql('CREATE INDEX IF NOT EXISTS "event_camera" ON "event" ("camera")')
def rollback(migrator, database, fake=False, **kwargs):
pass