ComfyUI/alembic_db/versions/0002_merge_to_asset_references.py
Luke Mino-Altherr cdc6c1c143 refactor(migrations): merge migrations 0002-0005 into single migration
Consolidate all branch migrations into 0002_merge_to_asset_references.
Drops old tables (asset_info_meta, asset_info_tags, asset_cache_state,
assets_info), truncates assets, and creates the new unified schema
(asset_references, asset_reference_tags, asset_reference_meta).

Amp-Thread-ID: https://ampcode.com/threads/T-019c5005-66e9-719f-94df-ebb4b25bcf14
Co-authored-by: Amp <amp@ampcode.com>
2026-02-24 11:34:44 -08:00

178 lines
6.8 KiB
Python

"""
Merge AssetInfo and AssetCacheState into unified asset_references table.
This migration drops old tables and creates the new unified schema.
All existing data is discarded.
Revision ID: 0002_merge_to_asset_references
Revises: 0001_assets
Create Date: 2025-02-11
"""
from alembic import op
import sqlalchemy as sa
revision = "0002_merge_to_asset_references"
down_revision = "0001_assets"
branch_labels = None
depends_on = None
def upgrade() -> None:
# Drop old tables (order matters due to FK constraints)
op.drop_index("ix_asset_info_meta_key_val_bool", table_name="asset_info_meta")
op.drop_index("ix_asset_info_meta_key_val_num", table_name="asset_info_meta")
op.drop_index("ix_asset_info_meta_key_val_str", table_name="asset_info_meta")
op.drop_index("ix_asset_info_meta_key", table_name="asset_info_meta")
op.drop_table("asset_info_meta")
op.drop_index("ix_asset_info_tags_asset_info_id", table_name="asset_info_tags")
op.drop_index("ix_asset_info_tags_tag_name", table_name="asset_info_tags")
op.drop_table("asset_info_tags")
op.drop_index("ix_asset_cache_state_asset_id", table_name="asset_cache_state")
op.drop_index("ix_asset_cache_state_file_path", table_name="asset_cache_state")
op.drop_table("asset_cache_state")
op.drop_index("ix_assets_info_owner_name", table_name="assets_info")
op.drop_index("ix_assets_info_last_access_time", table_name="assets_info")
op.drop_index("ix_assets_info_created_at", table_name="assets_info")
op.drop_index("ix_assets_info_name", table_name="assets_info")
op.drop_index("ix_assets_info_asset_id", table_name="assets_info")
op.drop_index("ix_assets_info_owner_id", table_name="assets_info")
op.drop_table("assets_info")
# Truncate assets table (cascades handled by dropping dependent tables first)
op.execute("DELETE FROM assets")
# Create asset_references table
op.create_table(
"asset_references",
sa.Column("id", sa.String(length=36), primary_key=True),
sa.Column(
"asset_id",
sa.String(length=36),
sa.ForeignKey("assets.id", ondelete="CASCADE"),
nullable=False,
),
sa.Column("file_path", sa.Text(), nullable=True),
sa.Column("mtime_ns", sa.BigInteger(), nullable=True),
sa.Column(
"needs_verify",
sa.Boolean(),
nullable=False,
server_default=sa.text("false"),
),
sa.Column(
"is_missing", sa.Boolean(), nullable=False, server_default=sa.text("false")
),
sa.Column("enrichment_level", sa.Integer(), nullable=False, server_default="0"),
sa.Column("owner_id", sa.String(length=128), nullable=False, server_default=""),
sa.Column("name", sa.String(length=512), nullable=False),
sa.Column(
"preview_id",
sa.String(length=36),
sa.ForeignKey("assets.id", ondelete="SET NULL"),
nullable=True,
),
sa.Column("user_metadata", sa.JSON(), nullable=True),
sa.Column("created_at", sa.DateTime(timezone=False), nullable=False),
sa.Column("updated_at", sa.DateTime(timezone=False), nullable=False),
sa.Column("last_access_time", sa.DateTime(timezone=False), nullable=False),
sa.CheckConstraint(
"(mtime_ns IS NULL) OR (mtime_ns >= 0)", name="ck_ar_mtime_nonneg"
),
sa.CheckConstraint(
"enrichment_level >= 0 AND enrichment_level <= 2",
name="ck_ar_enrichment_level_range",
),
)
op.create_index(
"uq_asset_references_file_path", "asset_references", ["file_path"], unique=True
)
op.create_index("ix_asset_references_asset_id", "asset_references", ["asset_id"])
op.create_index("ix_asset_references_owner_id", "asset_references", ["owner_id"])
op.create_index("ix_asset_references_name", "asset_references", ["name"])
op.create_index("ix_asset_references_is_missing", "asset_references", ["is_missing"])
op.create_index(
"ix_asset_references_enrichment_level", "asset_references", ["enrichment_level"]
)
op.create_index("ix_asset_references_created_at", "asset_references", ["created_at"])
op.create_index(
"ix_asset_references_last_access_time", "asset_references", ["last_access_time"]
)
op.create_index(
"ix_asset_references_owner_name", "asset_references", ["owner_id", "name"]
)
# Create asset_reference_tags table
op.create_table(
"asset_reference_tags",
sa.Column(
"asset_reference_id",
sa.String(length=36),
sa.ForeignKey("asset_references.id", ondelete="CASCADE"),
nullable=False,
),
sa.Column(
"tag_name",
sa.String(length=512),
sa.ForeignKey("tags.name", ondelete="RESTRICT"),
nullable=False,
),
sa.Column(
"origin", sa.String(length=32), nullable=False, server_default="manual"
),
sa.Column("added_at", sa.DateTime(timezone=False), nullable=False),
sa.PrimaryKeyConstraint(
"asset_reference_id", "tag_name", name="pk_asset_reference_tags"
),
)
op.create_index(
"ix_asset_reference_tags_tag_name", "asset_reference_tags", ["tag_name"]
)
op.create_index(
"ix_asset_reference_tags_asset_reference_id",
"asset_reference_tags",
["asset_reference_id"],
)
# Create asset_reference_meta table
op.create_table(
"asset_reference_meta",
sa.Column(
"asset_reference_id",
sa.String(length=36),
sa.ForeignKey("asset_references.id", ondelete="CASCADE"),
nullable=False,
),
sa.Column("key", sa.String(length=256), nullable=False),
sa.Column("ordinal", sa.Integer(), nullable=False, server_default="0"),
sa.Column("val_str", sa.String(length=2048), nullable=True),
sa.Column("val_num", sa.Numeric(38, 10), nullable=True),
sa.Column("val_bool", sa.Boolean(), nullable=True),
sa.Column("val_json", sa.JSON(), nullable=True),
sa.PrimaryKeyConstraint(
"asset_reference_id", "key", "ordinal", name="pk_asset_reference_meta"
),
)
op.create_index("ix_asset_reference_meta_key", "asset_reference_meta", ["key"])
op.create_index(
"ix_asset_reference_meta_key_val_str", "asset_reference_meta", ["key", "val_str"]
)
op.create_index(
"ix_asset_reference_meta_key_val_num", "asset_reference_meta", ["key", "val_num"]
)
op.create_index(
"ix_asset_reference_meta_key_val_bool",
"asset_reference_meta",
["key", "val_bool"],
)
def downgrade() -> None:
raise NotImplementedError(
"Downgrade from 0002_merge_to_asset_references is not supported. "
"Please restore from backup if needed."
)