Files
iotDashboard/db_migrations/alembic/versions/20251028_2206_dae12d7f4ddf_initial.py

51 lines
1.6 KiB
Python

"""Initial
Revision ID: dae12d7f4ddf
Revises:
Create Date: 2025-10-28 22:06:45.637836+00:00
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision: str = 'dae12d7f4ddf'
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
"""Upgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('devices',
sa.Column('id', sa.Text(), nullable=False),
sa.Column('name', sa.Text(), nullable=False),
sa.Column('location', sa.Text(), nullable=True),
sa.Column('is_active', sa.Boolean(), nullable=True),
sa.PrimaryKeyConstraint('id')
)
op.create_table('telemetry',
sa.Column('time', sa.DateTime(timezone=True), nullable=False),
sa.Column('device_id', sa.Text(), nullable=False),
sa.Column('metric', sa.Text(), nullable=False),
sa.Column('value', sa.Float(), nullable=False),
sa.Column('unit', sa.Text(), nullable=True),
sa.ForeignKeyConstraint(['device_id'], ['devices.id'], ),
sa.PrimaryKeyConstraint('time', 'device_id', 'metric')
)
op.create_index('idx_telemetry_device_time', 'telemetry', ['device_id', 'time'], unique=False)
# ### end Alembic commands ###
def downgrade() -> None:
"""Downgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.drop_index('idx_telemetry_device_time', table_name='telemetry')
op.drop_table('telemetry')
op.drop_table('devices')
# ### end Alembic commands ###