From 1fc4af9c86f19e67ac615bfd05ad6fc336488d1b Mon Sep 17 00:00:00 2001 From: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com> Date: Mon, 4 Nov 2024 17:04:49 -0600 Subject: [PATCH] Optimize Explore summary database query (#14797) * Optimize explore summary query with index * implement rollback --- migrations/027_create_explore_index.py | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 migrations/027_create_explore_index.py diff --git a/migrations/027_create_explore_index.py b/migrations/027_create_explore_index.py new file mode 100644 index 000000000..6d0012c6c --- /dev/null +++ b/migrations/027_create_explore_index.py @@ -0,0 +1,36 @@ +"""Peewee migrations -- 027_create_explore_index.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( + 'CREATE INDEX IF NOT EXISTS "event_label_start_time" ON "event" ("label", "start_time" DESC)' + ) + + +def rollback(migrator, database, fake=False, **kwargs): + migrator.sql('DROP INDEX IF EXISTS "event_label_start_time"')