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DocsGPT/application/alembic/versions/0002_app_metadata.py
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2026-04-21 09:16:52 +01:00

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Python

"""0002 app_metadata — singleton key/value table for instance-wide state.
Used by the startup version-check client to persist the anonymous
instance UUID and a one-shot "notice shown" flag. Both values are tiny
plain-text strings; this is a deliberate generic-config table rather
than dedicated columns so future one-off settings (telemetry opt-in
timestamps, feature-flag overrides, etc.) don't each need their own
migration.
Revision ID: 0002_app_metadata
Revises: 0001_initial
"""
from typing import Sequence, Union
from alembic import op
revision: str = "0002_app_metadata"
down_revision: Union[str, None] = "0001_initial"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.execute(
"""
CREATE TABLE app_metadata (
key TEXT PRIMARY KEY,
value TEXT NOT NULL
);
"""
)
def downgrade() -> None:
op.execute("DROP TABLE IF EXISTS app_metadata;")