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Add index on asset_references.preview_id for FK cascade performance

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Amp-Thread-ID: https://ampcode.com/threads/T-019cef45-a4d2-7548-86d2-d46bcd3db419
Co-authored-by: Amp <amp@ampcode.com>
This commit is contained in:
Luke Mino-Altherr 2026-03-14 22:17:27 -04:00
parent dde5a60357
commit c12d4c0755
2 changed files with 5 additions and 0 deletions
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4
alembic_db/versions/0003_add_metadata_job_id.py
View File

@ -44,12 +44,16 @@ def upgrade() -> None:
["id"],
ondelete="SET NULL",
)
batch_op.create_index(
"ix_asset_references_preview_id", ["preview_id"]
)
def downgrade() -> None:
with op.batch_alter_table(
"asset_references", naming_convention=NAMING_CONVENTION
) as batch_op:
batch_op.drop_index("ix_asset_references_preview_id")
batch_op.drop_constraint(
"fk_asset_references_preview_id_asset_references", type_="foreignkey"
)

1
app/assets/database/models.py
View File

@ -150,6 +150,7 @@ class AssetReference(Base):
Index("ix_asset_references_created_at", "created_at"),
Index("ix_asset_references_last_access_time", "last_access_time"),
Index("ix_asset_references_deleted_at", "deleted_at"),
Index("ix_asset_references_preview_id", "preview_id"),
Index("ix_asset_references_owner_name", "owner_id", "name"),
CheckConstraint(
"(mtime_ns IS NULL) OR (mtime_ns >= 0)", name="ck_ar_mtime_nonneg"