From ab5ff64dd0c7458a8bd8ca529d3ea45b9948165b Mon Sep 17 00:00:00 2001 From: Martyn Inglis Date: Wed, 31 Aug 2016 16:24:18 +0100 Subject: [PATCH] Indexes to improves stats for service query --- migrations/versions/0050_index_for_stats.py | 31 +++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 migrations/versions/0050_index_for_stats.py diff --git a/migrations/versions/0050_index_for_stats.py b/migrations/versions/0050_index_for_stats.py new file mode 100644 index 000000000..ceab66aee --- /dev/null +++ b/migrations/versions/0050_index_for_stats.py @@ -0,0 +1,31 @@ +"""empty message + +Revision ID: 0050_index_for_stats +Revises: 0048_job_scheduled_time +Create Date: 2016-08-24 13:21:51.744526 + +""" + +# revision identifiers, used by Alembic. +revision = '0050_index_for_stats' +down_revision = '0048_job_scheduled_time' + +from alembic import op +import sqlalchemy as sa + + +def upgrade(): + op.create_index( + 'ix_notifications_service_id_created_at', + 'notifications', + ['service_id', sa.text("date(created_at)")] + ) + op.create_index( + 'ix_notification_history_service_id_created_at', + 'notification_history', + ['service_id', sa.text("date(created_at)")] + ) + +def downgrade(): + op.drop_index(op.f('ix_notifications_service_id_created_at'), table_name='notifications') + op.drop_index(op.f('ix_notification_history_service_id_created_at'), table_name='notification_history')