|
| 1 | +"""initial assets schema |
| 2 | +
|
| 3 | +Revision ID: 0001_assets |
| 4 | +Revises: |
| 5 | +Create Date: 2025-08-20 00:00:00 |
| 6 | +""" |
| 7 | + |
| 8 | +from alembic import op |
| 9 | +import sqlalchemy as sa |
| 10 | +from sqlalchemy.dialects import postgresql |
| 11 | + |
| 12 | +revision = "0001_assets" |
| 13 | +down_revision = None |
| 14 | +branch_labels = None |
| 15 | +depends_on = None |
| 16 | + |
| 17 | + |
| 18 | +def upgrade() -> None: |
| 19 | + # ASSETS: content identity |
| 20 | + op.create_table( |
| 21 | + "assets", |
| 22 | + sa.Column("id", sa.String(length=36), primary_key=True), |
| 23 | + sa.Column("hash", sa.String(length=256), nullable=True), |
| 24 | + sa.Column("size_bytes", sa.BigInteger(), nullable=False, server_default="0"), |
| 25 | + sa.Column("mime_type", sa.String(length=255), nullable=True), |
| 26 | + sa.Column("created_at", sa.DateTime(timezone=False), nullable=False), |
| 27 | + sa.CheckConstraint("size_bytes >= 0", name="ck_assets_size_nonneg"), |
| 28 | + ) |
| 29 | + if op.get_bind().dialect.name == "postgresql": |
| 30 | + op.create_index( |
| 31 | + "uq_assets_hash_not_null", |
| 32 | + "assets", |
| 33 | + ["hash"], |
| 34 | + unique=True, |
| 35 | + postgresql_where=sa.text("hash IS NOT NULL"), |
| 36 | + ) |
| 37 | + else: |
| 38 | + op.create_index("uq_assets_hash", "assets", ["hash"], unique=True) |
| 39 | + op.create_index("ix_assets_mime_type", "assets", ["mime_type"]) |
| 40 | + |
| 41 | + # ASSETS_INFO: user-visible references |
| 42 | + op.create_table( |
| 43 | + "assets_info", |
| 44 | + sa.Column("id", sa.String(length=36), primary_key=True), |
| 45 | + sa.Column("owner_id", sa.String(length=128), nullable=False, server_default=""), |
| 46 | + sa.Column("name", sa.String(length=512), nullable=False), |
| 47 | + sa.Column("asset_id", sa.String(length=36), sa.ForeignKey("assets.id", ondelete="RESTRICT"), nullable=False), |
| 48 | + sa.Column("preview_id", sa.String(length=36), sa.ForeignKey("assets.id", ondelete="SET NULL"), nullable=True), |
| 49 | + sa.Column("user_metadata", sa.JSON(), nullable=True), |
| 50 | + sa.Column("created_at", sa.DateTime(timezone=False), nullable=False), |
| 51 | + sa.Column("updated_at", sa.DateTime(timezone=False), nullable=False), |
| 52 | + sa.Column("last_access_time", sa.DateTime(timezone=False), nullable=False), |
| 53 | + sa.UniqueConstraint("asset_id", "owner_id", "name", name="uq_assets_info_asset_owner_name"), |
| 54 | + ) |
| 55 | + op.create_index("ix_assets_info_owner_id", "assets_info", ["owner_id"]) |
| 56 | + op.create_index("ix_assets_info_asset_id", "assets_info", ["asset_id"]) |
| 57 | + op.create_index("ix_assets_info_name", "assets_info", ["name"]) |
| 58 | + op.create_index("ix_assets_info_created_at", "assets_info", ["created_at"]) |
| 59 | + op.create_index("ix_assets_info_last_access_time", "assets_info", ["last_access_time"]) |
| 60 | + op.create_index("ix_assets_info_owner_name", "assets_info", ["owner_id", "name"]) |
| 61 | + |
| 62 | + # TAGS: normalized tag vocabulary |
| 63 | + op.create_table( |
| 64 | + "tags", |
| 65 | + sa.Column("name", sa.String(length=512), primary_key=True), |
| 66 | + sa.Column("tag_type", sa.String(length=32), nullable=False, server_default="user"), |
| 67 | + sa.CheckConstraint("name = lower(name)", name="ck_tags_lowercase"), |
| 68 | + ) |
| 69 | + op.create_index("ix_tags_tag_type", "tags", ["tag_type"]) |
| 70 | + |
| 71 | + # ASSET_INFO_TAGS: many-to-many for tags on AssetInfo |
| 72 | + op.create_table( |
| 73 | + "asset_info_tags", |
| 74 | + sa.Column("asset_info_id", sa.String(length=36), sa.ForeignKey("assets_info.id", ondelete="CASCADE"), nullable=False), |
| 75 | + sa.Column("tag_name", sa.String(length=512), sa.ForeignKey("tags.name", ondelete="RESTRICT"), nullable=False), |
| 76 | + sa.Column("origin", sa.String(length=32), nullable=False, server_default="manual"), |
| 77 | + sa.Column("added_at", sa.DateTime(timezone=False), nullable=False), |
| 78 | + sa.PrimaryKeyConstraint("asset_info_id", "tag_name", name="pk_asset_info_tags"), |
| 79 | + ) |
| 80 | + op.create_index("ix_asset_info_tags_tag_name", "asset_info_tags", ["tag_name"]) |
| 81 | + op.create_index("ix_asset_info_tags_asset_info_id", "asset_info_tags", ["asset_info_id"]) |
| 82 | + |
| 83 | + # ASSET_CACHE_STATE: N:1 local cache rows per Asset |
| 84 | + op.create_table( |
| 85 | + "asset_cache_state", |
| 86 | + sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True), |
| 87 | + sa.Column("asset_id", sa.String(length=36), sa.ForeignKey("assets.id", ondelete="CASCADE"), nullable=False), |
| 88 | + sa.Column("file_path", sa.Text(), nullable=False), # absolute local path to cached file |
| 89 | + sa.Column("mtime_ns", sa.BigInteger(), nullable=True), |
| 90 | + sa.Column("needs_verify", sa.Boolean(), nullable=False, server_default=sa.text("false")), |
| 91 | + sa.CheckConstraint("(mtime_ns IS NULL) OR (mtime_ns >= 0)", name="ck_acs_mtime_nonneg"), |
| 92 | + sa.UniqueConstraint("file_path", name="uq_asset_cache_state_file_path"), |
| 93 | + ) |
| 94 | + op.create_index("ix_asset_cache_state_file_path", "asset_cache_state", ["file_path"]) |
| 95 | + op.create_index("ix_asset_cache_state_asset_id", "asset_cache_state", ["asset_id"]) |
| 96 | + |
| 97 | + # ASSET_INFO_META: typed KV projection of user_metadata for filtering/sorting |
| 98 | + op.create_table( |
| 99 | + "asset_info_meta", |
| 100 | + sa.Column("asset_info_id", sa.String(length=36), sa.ForeignKey("assets_info.id", ondelete="CASCADE"), nullable=False), |
| 101 | + sa.Column("key", sa.String(length=256), nullable=False), |
| 102 | + sa.Column("ordinal", sa.Integer(), nullable=False, server_default="0"), |
| 103 | + sa.Column("val_str", sa.String(length=2048), nullable=True), |
| 104 | + sa.Column("val_num", sa.Numeric(38, 10), nullable=True), |
| 105 | + sa.Column("val_bool", sa.Boolean(), nullable=True), |
| 106 | + sa.Column("val_json", sa.JSON().with_variant(postgresql.JSONB(), 'postgresql'), nullable=True), |
| 107 | + sa.PrimaryKeyConstraint("asset_info_id", "key", "ordinal", name="pk_asset_info_meta"), |
| 108 | + ) |
| 109 | + op.create_index("ix_asset_info_meta_key", "asset_info_meta", ["key"]) |
| 110 | + op.create_index("ix_asset_info_meta_key_val_str", "asset_info_meta", ["key", "val_str"]) |
| 111 | + op.create_index("ix_asset_info_meta_key_val_num", "asset_info_meta", ["key", "val_num"]) |
| 112 | + op.create_index("ix_asset_info_meta_key_val_bool", "asset_info_meta", ["key", "val_bool"]) |
| 113 | + |
| 114 | + # Tags vocabulary |
| 115 | + tags_table = sa.table( |
| 116 | + "tags", |
| 117 | + sa.column("name", sa.String(length=512)), |
| 118 | + sa.column("tag_type", sa.String()), |
| 119 | + ) |
| 120 | + op.bulk_insert( |
| 121 | + tags_table, |
| 122 | + [ |
| 123 | + {"name": "models", "tag_type": "system"}, |
| 124 | + {"name": "input", "tag_type": "system"}, |
| 125 | + {"name": "output", "tag_type": "system"}, |
| 126 | + |
| 127 | + {"name": "configs", "tag_type": "system"}, |
| 128 | + {"name": "checkpoints", "tag_type": "system"}, |
| 129 | + {"name": "loras", "tag_type": "system"}, |
| 130 | + {"name": "vae", "tag_type": "system"}, |
| 131 | + {"name": "text_encoders", "tag_type": "system"}, |
| 132 | + {"name": "diffusion_models", "tag_type": "system"}, |
| 133 | + {"name": "clip_vision", "tag_type": "system"}, |
| 134 | + {"name": "style_models", "tag_type": "system"}, |
| 135 | + {"name": "embeddings", "tag_type": "system"}, |
| 136 | + {"name": "diffusers", "tag_type": "system"}, |
| 137 | + {"name": "vae_approx", "tag_type": "system"}, |
| 138 | + {"name": "controlnet", "tag_type": "system"}, |
| 139 | + {"name": "gligen", "tag_type": "system"}, |
| 140 | + {"name": "upscale_models", "tag_type": "system"}, |
| 141 | + {"name": "hypernetworks", "tag_type": "system"}, |
| 142 | + {"name": "photomaker", "tag_type": "system"}, |
| 143 | + {"name": "classifiers", "tag_type": "system"}, |
| 144 | + |
| 145 | + {"name": "encoder", "tag_type": "system"}, |
| 146 | + {"name": "decoder", "tag_type": "system"}, |
| 147 | + |
| 148 | + {"name": "missing", "tag_type": "system"}, |
| 149 | + {"name": "rescan", "tag_type": "system"}, |
| 150 | + ], |
| 151 | + ) |
| 152 | + |
| 153 | + |
| 154 | +def downgrade() -> None: |
| 155 | + op.drop_index("ix_asset_info_meta_key_val_bool", table_name="asset_info_meta") |
| 156 | + op.drop_index("ix_asset_info_meta_key_val_num", table_name="asset_info_meta") |
| 157 | + op.drop_index("ix_asset_info_meta_key_val_str", table_name="asset_info_meta") |
| 158 | + op.drop_index("ix_asset_info_meta_key", table_name="asset_info_meta") |
| 159 | + op.drop_table("asset_info_meta") |
| 160 | + |
| 161 | + op.drop_index("ix_asset_cache_state_asset_id", table_name="asset_cache_state") |
| 162 | + op.drop_index("ix_asset_cache_state_file_path", table_name="asset_cache_state") |
| 163 | + op.drop_constraint("uq_asset_cache_state_file_path", table_name="asset_cache_state") |
| 164 | + op.drop_table("asset_cache_state") |
| 165 | + |
| 166 | + op.drop_index("ix_asset_info_tags_asset_info_id", table_name="asset_info_tags") |
| 167 | + op.drop_index("ix_asset_info_tags_tag_name", table_name="asset_info_tags") |
| 168 | + op.drop_table("asset_info_tags") |
| 169 | + |
| 170 | + op.drop_index("ix_tags_tag_type", table_name="tags") |
| 171 | + op.drop_table("tags") |
| 172 | + |
| 173 | + op.drop_constraint("uq_assets_info_asset_owner_name", table_name="assets_info") |
| 174 | + op.drop_index("ix_assets_info_owner_name", table_name="assets_info") |
| 175 | + op.drop_index("ix_assets_info_last_access_time", table_name="assets_info") |
| 176 | + op.drop_index("ix_assets_info_created_at", table_name="assets_info") |
| 177 | + op.drop_index("ix_assets_info_name", table_name="assets_info") |
| 178 | + op.drop_index("ix_assets_info_asset_id", table_name="assets_info") |
| 179 | + op.drop_index("ix_assets_info_owner_id", table_name="assets_info") |
| 180 | + op.drop_table("assets_info") |
| 181 | + |
| 182 | + if op.get_bind().dialect.name == "postgresql": |
| 183 | + op.drop_index("uq_assets_hash_not_null", table_name="assets") |
| 184 | + else: |
| 185 | + op.drop_index("uq_assets_hash", table_name="assets") |
| 186 | + op.drop_index("ix_assets_mime_type", table_name="assets") |
| 187 | + op.drop_table("assets") |
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