danswer/backend/alembic/versions/44f856ae2a4a_add_cloud_embedding_model.py
2024-07-14 10:19:53 -07:00

66 lines
1.8 KiB
Python

"""add cloud embedding model and update embedding_model
Revision ID: 44f856ae2a4a
Revises: d716b0791ddd
Create Date: 2024-06-28 20:01:05.927647
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = "44f856ae2a4a"
down_revision = "d716b0791ddd"
branch_labels: None = None
depends_on: None = None
def upgrade() -> None:
# Create embedding_provider table
op.create_table(
"embedding_provider",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("name", sa.String(), nullable=False),
sa.Column("api_key", sa.LargeBinary(), nullable=True),
sa.Column("default_model_id", sa.Integer(), nullable=True),
sa.PrimaryKeyConstraint("id"),
sa.UniqueConstraint("name"),
)
# Add cloud_provider_id to embedding_model table
op.add_column(
"embedding_model", sa.Column("cloud_provider_id", sa.Integer(), nullable=True)
)
# Add foreign key constraints
op.create_foreign_key(
"fk_embedding_model_cloud_provider",
"embedding_model",
"embedding_provider",
["cloud_provider_id"],
["id"],
)
op.create_foreign_key(
"fk_embedding_provider_default_model",
"embedding_provider",
"embedding_model",
["default_model_id"],
["id"],
)
def downgrade() -> None:
# Remove foreign key constraints
op.drop_constraint(
"fk_embedding_model_cloud_provider", "embedding_model", type_="foreignkey"
)
op.drop_constraint(
"fk_embedding_provider_default_model", "embedding_provider", type_="foreignkey"
)
# Remove cloud_provider_id column
op.drop_column("embedding_model", "cloud_provider_id")
# Drop embedding_provider table
op.drop_table("embedding_provider")