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Added database migration file

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Currently the 'See templates used by month' report is timing out for
some services due to the query time of the data from notification_history
This is a stats table which will hold the data and will be updated by a
scheduled celery task once a day. This data will be combined with the
'live' data from notifications tables (which will be considerably less)
to form the data of the new report.
This commit is contained in:
Richard Chapman
2017-11-07 14:57:31 +00:00
parent 8973e42b86
commit 26617a921e
1 changed files with 65 additions and 0 deletions
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65
migrations/versions/0134_stats_template_usage.py Normal file
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"""
Revision ID: 0134_stats_template_usage
Revises: 0133_set_services_sms_prefix
Create Date: 2017-11-07 14:35:04.798561
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql
revision = '0134_stats_template_usage'
down_revision = '0133_set_services_sms_prefix'
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('stats_template_usage_by_month',
sa.Column('template_id', postgresql.UUID(as_uuid=True), nullable=False),
sa.Column('month', sa.Integer(), nullable=False),
sa.Column('year', sa.Integer(), nullable=False),
sa.Column('count', sa.Integer(), nullable=False),
sa.ForeignKeyConstraint(['template_id'], ['templates.id'], ),
sa.PrimaryKeyConstraint('template_id', 'month', 'year')
)
op.create_index(op.f('ix_stats_template_usage_by_month_month'), 'stats_template_usage_by_month', ['month'], unique=False)
op.create_index(op.f('ix_stats_template_usage_by_month_template_id'), 'stats_template_usage_by_month', ['template_id'], unique=False)
op.create_index(op.f('ix_stats_template_usage_by_month_year'), 'stats_template_usage_by_month', ['year'], unique=False)
op.drop_table('notification_statistics')
op.alter_column('notification_history', 'international',
existing_type=sa.BOOLEAN(),
nullable=False)
op.alter_column('notifications', 'international',
existing_type=sa.BOOLEAN(),
nullable=False)
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.alter_column('notifications', 'international',
existing_type=sa.BOOLEAN(),
nullable=True)
op.alter_column('notification_history', 'international',
existing_type=sa.BOOLEAN(),
nullable=True)
op.create_table('notification_statistics',
sa.Column('id', postgresql.UUID(), autoincrement=False, nullable=False),
sa.Column('service_id', postgresql.UUID(), autoincrement=False, nullable=False),
sa.Column('emails_requested', sa.BIGINT(), autoincrement=False, nullable=False),
sa.Column('emails_delivered', sa.BIGINT(), autoincrement=False, nullable=False),
sa.Column('emails_failed', sa.BIGINT(), autoincrement=False, nullable=False),
sa.Column('sms_requested', sa.BIGINT(), autoincrement=False, nullable=False),
sa.Column('sms_delivered', sa.BIGINT(), autoincrement=False, nullable=False),
sa.Column('sms_failed', sa.BIGINT(), autoincrement=False, nullable=False),
sa.Column('day', sa.DATE(), autoincrement=False, nullable=False),
sa.ForeignKeyConstraint(['service_id'], ['services.id'], name='notification_statistics_service_id_fkey'),
sa.PrimaryKeyConstraint('id', name='notification_statistics_pkey'),
sa.UniqueConstraint('service_id', 'day', name='uix_service_to_day')
)
op.drop_index(op.f('ix_stats_template_usage_by_month_year'), table_name='stats_template_usage_by_month')
op.drop_index(op.f('ix_stats_template_usage_by_month_template_id'), table_name='stats_template_usage_by_month')
op.drop_index(op.f('ix_stats_template_usage_by_month_month'), table_name='stats_template_usage_by_month')
op.drop_table('stats_template_usage_by_month')
# ### end Alembic commands ###