75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
"""Add memory_relations table (Phase 3 — relational tier).
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Revision ID: 006
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Revises: 1f5975a4f3f4
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Create Date: 2026-04-16
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"""
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from __future__ import annotations
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects import postgresql
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revision: str = "006"
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down_revision: Union[str, None] = "1f5975a4f3f4"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.create_table(
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"memory_relations",
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sa.Column("id", postgresql.UUID(as_uuid=False), primary_key=True),
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sa.Column(
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"user_id",
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postgresql.UUID(as_uuid=False),
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sa.ForeignKey("users.id", ondelete="CASCADE"),
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nullable=False,
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),
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sa.Column("subject_label", sa.String(128), nullable=False),
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sa.Column("subject_type", sa.String(32), nullable=False),
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sa.Column("predicate", sa.String(64), nullable=False),
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sa.Column("object_label", sa.String(128), nullable=False),
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sa.Column("object_type", sa.String(32), nullable=False),
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sa.Column("confidence", sa.Float, nullable=False, server_default="0.7"),
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sa.Column(
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"source_episode_id",
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postgresql.UUID(as_uuid=False),
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sa.ForeignKey("memory_episodic.id", ondelete="SET NULL"),
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nullable=True,
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),
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sa.Column("notes_encrypted", sa.LargeBinary, nullable=True),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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nullable=False,
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server_default=sa.func.now(),
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),
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sa.Column(
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"updated_at",
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sa.DateTime(timezone=True),
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nullable=False,
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server_default=sa.func.now(),
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),
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sa.Column("last_confirmed_at", sa.DateTime(timezone=True), nullable=True),
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)
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op.create_index(
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"memory_relations_user_subject_idx",
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"memory_relations",
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["user_id", "subject_label"],
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)
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op.create_index(
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"memory_relations_user_predicate_idx",
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"memory_relations",
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["user_id", "predicate"],
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)
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def downgrade() -> None:
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op.drop_index("memory_relations_user_predicate_idx", "memory_relations")
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op.drop_index("memory_relations_user_subject_idx", "memory_relations")
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op.drop_table("memory_relations")
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