4527bfced6
Add tree_id FK (CASCADE) for editor-embedded sessions and archived_at timestamp column to ai_chat_sessions table. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
"""extend ai chat session with tree_id and archived_at
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Revision ID: 051
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Revises: 050
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = "051"
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down_revision = "050"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.add_column(
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"ai_chat_sessions",
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sa.Column("tree_id", sa.UUID(), nullable=True),
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)
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op.add_column(
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"ai_chat_sessions",
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sa.Column("archived_at", sa.DateTime(timezone=True), nullable=True),
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)
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op.create_index("ix_ai_chat_sessions_tree_id", "ai_chat_sessions", ["tree_id"])
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op.create_foreign_key(
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"fk_ai_chat_sessions_tree_id",
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"ai_chat_sessions",
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"trees",
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["tree_id"],
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["id"],
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ondelete="CASCADE",
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)
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def downgrade() -> None:
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op.drop_constraint("fk_ai_chat_sessions_tree_id", "ai_chat_sessions", type_="foreignkey")
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op.drop_index("ix_ai_chat_sessions_tree_id", table_name="ai_chat_sessions")
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op.drop_column("ai_chat_sessions", "archived_at")
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op.drop_column("ai_chat_sessions", "tree_id")
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