memory/db/migrations/versions/20250603_115642_add_confidences.py
2025-06-03 12:18:20 +02:00

80 lines
2.6 KiB
Python

"""Add confidences
Revision ID: 152f8b4b52e8
Revises: ba301527a2eb
Create Date: 2025-06-03 11:56:42.302327
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision: str = "152f8b4b52e8"
down_revision: Union[str, None] = "ba301527a2eb"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.create_table(
"confidence_score",
sa.Column("id", sa.BigInteger(), nullable=False),
sa.Column("source_item_id", sa.BigInteger(), nullable=False),
sa.Column("confidence_type", sa.Text(), nullable=False),
sa.Column("score", sa.Numeric(precision=3, scale=2), nullable=False),
sa.CheckConstraint("score >= 0.0 AND score <= 1.0", name="score_range_check"),
sa.ForeignKeyConstraint(
["source_item_id"], ["source_item.id"], ondelete="CASCADE"
),
sa.PrimaryKeyConstraint("id"),
sa.UniqueConstraint(
"source_item_id", "confidence_type", name="unique_source_confidence_type"
),
)
op.create_index("confidence_score_idx", "confidence_score", ["score"], unique=False)
op.create_index(
"confidence_source_idx", "confidence_score", ["source_item_id"], unique=False
)
op.create_index(
"confidence_type_idx", "confidence_score", ["confidence_type"], unique=False
)
op.drop_index("agent_obs_confidence_idx", table_name="agent_observation")
op.drop_column("agent_observation", "confidence")
op.drop_index("note_confidence_idx", table_name="notes")
op.drop_column("notes", "confidence")
def downgrade() -> None:
op.add_column(
"notes",
sa.Column(
"confidence",
sa.NUMERIC(precision=3, scale=2),
server_default=sa.text("0.5"),
autoincrement=False,
nullable=False,
),
)
op.create_index("note_confidence_idx", "notes", ["confidence"], unique=False)
op.add_column(
"agent_observation",
sa.Column(
"confidence",
sa.NUMERIC(precision=3, scale=2),
server_default=sa.text("0.5"),
autoincrement=False,
nullable=False,
),
)
op.create_index(
"agent_obs_confidence_idx", "agent_observation", ["confidence"], unique=False
)
op.drop_index("confidence_type_idx", table_name="confidence_score")
op.drop_index("confidence_source_idx", table_name="confidence_score")
op.drop_index("confidence_score_idx", table_name="confidence_score")
op.drop_table("confidence_score")