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https://github.com/comfyanonymous/ComfyUI.git
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27cb224d5d
Add naming_convention to Base.metadata so Alembic batch-mode reflection can match unnamed FK constraints created by migration 0002. Pass naming_convention and render_as_batch=True through env.py online config. Add migration roundtrip tests (upgrade/downgrade/cycle from baseline). Amp-Thread-ID: https://ampcode.com/threads/T-019ce466-1683-7471-b6e1-bb078223cda0 Co-authored-by: Amp <amp@ampcode.com>
67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
"""
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Add system_metadata and prompt_id columns to asset_references.
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Change preview_id FK from assets.id to asset_references.id.
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Revision ID: 0003_add_metadata_prompt
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Revises: 0002_merge_to_asset_references
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Create Date: 2026-03-09
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"""
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from alembic import op
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import sqlalchemy as sa
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from app.database.models import NAMING_CONVENTION
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revision = "0003_add_metadata_prompt"
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down_revision = "0002_merge_to_asset_references"
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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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with op.batch_alter_table("asset_references") as batch_op:
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batch_op.add_column(
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sa.Column("system_metadata", sa.JSON(), nullable=True)
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)
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batch_op.add_column(
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sa.Column("prompt_id", sa.String(length=36), nullable=True)
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)
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# Change preview_id FK from assets.id to asset_references.id (self-ref).
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# Existing values are asset-content IDs that won't match reference IDs,
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# so null them out first.
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op.execute("UPDATE asset_references SET preview_id = NULL WHERE preview_id IS NOT NULL")
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with op.batch_alter_table(
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"asset_references", naming_convention=NAMING_CONVENTION
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) as batch_op:
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batch_op.drop_constraint(
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"fk_asset_references_preview_id_assets", type_="foreignkey"
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)
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batch_op.create_foreign_key(
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"fk_asset_references_preview_id_asset_references",
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"asset_references",
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["preview_id"],
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["id"],
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ondelete="SET NULL",
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)
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def downgrade() -> None:
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with op.batch_alter_table(
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"asset_references", naming_convention=NAMING_CONVENTION
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) as batch_op:
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batch_op.drop_constraint(
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"fk_asset_references_preview_id_asset_references", type_="foreignkey"
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)
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batch_op.create_foreign_key(
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"fk_asset_references_preview_id_assets",
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"assets",
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["preview_id"],
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["id"],
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ondelete="SET NULL",
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)
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with op.batch_alter_table("asset_references") as batch_op:
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batch_op.drop_column("prompt_id")
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batch_op.drop_column("system_metadata")
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