dify/api/migrations/versions/16fa53d9faec_add_provider_model_support.py

"""add provider model support

Revision ID: 16fa53d9faec
Revises: 8d2d099ceb74
Create Date: 2023-08-06 16:57:51.248337

"""
import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision = '16fa53d9faec'
down_revision = '8d2d099ceb74'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('provider_models',
    sa.Column('id', postgresql.UUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
    sa.Column('tenant_id', postgresql.UUID(), nullable=False),
    sa.Column('provider_name', sa.String(length=40), nullable=False),
    sa.Column('model_name', sa.String(length=40), nullable=False),
    sa.Column('model_type', sa.String(length=40), nullable=False),
    sa.Column('encrypted_config', sa.Text(), nullable=True),
    sa.Column('is_valid', sa.Boolean(), server_default=sa.text('false'), nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP(0)'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP(0)'), nullable=False),
    sa.PrimaryKeyConstraint('id', name='provider_model_pkey'),
    sa.UniqueConstraint('tenant_id', 'provider_name', 'model_name', 'model_type', name='unique_provider_model_name')
    )
    with op.batch_alter_table('provider_models', schema=None) as batch_op:
        batch_op.create_index('provider_model_tenant_id_provider_idx', ['tenant_id', 'provider_name'], unique=False)

    op.create_table('tenant_default_models',
    sa.Column('id', postgresql.UUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
    sa.Column('tenant_id', postgresql.UUID(), nullable=False),
    sa.Column('provider_name', sa.String(length=40), nullable=False),
    sa.Column('model_name', sa.String(length=40), nullable=False),
    sa.Column('model_type', sa.String(length=40), nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP(0)'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP(0)'), nullable=False),
    sa.PrimaryKeyConstraint('id', name='tenant_default_model_pkey')
    )
    with op.batch_alter_table('tenant_default_models', schema=None) as batch_op:
        batch_op.create_index('tenant_default_model_tenant_id_provider_type_idx', ['tenant_id', 'provider_name', 'model_type'], unique=False)

    op.create_table('tenant_preferred_model_providers',
    sa.Column('id', postgresql.UUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
    sa.Column('tenant_id', postgresql.UUID(), nullable=False),
    sa.Column('provider_name', sa.String(length=40), nullable=False),
    sa.Column('preferred_provider_type', sa.String(length=40), nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP(0)'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP(0)'), nullable=False),
    sa.PrimaryKeyConstraint('id', name='tenant_preferred_model_provider_pkey')
    )
    with op.batch_alter_table('tenant_preferred_model_providers', schema=None) as batch_op:
        batch_op.create_index('tenant_preferred_model_provider_tenant_provider_idx', ['tenant_id', 'provider_name'], unique=False)

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('tenant_preferred_model_providers', schema=None) as batch_op:
        batch_op.drop_index('tenant_preferred_model_provider_tenant_provider_idx')

    op.drop_table('tenant_preferred_model_providers')
    with op.batch_alter_table('tenant_default_models', schema=None) as batch_op:
        batch_op.drop_index('tenant_default_model_tenant_id_provider_type_idx')

    op.drop_table('tenant_default_models')
    with op.batch_alter_table('provider_models', schema=None) as batch_op:
        batch_op.drop_index('provider_model_tenant_id_provider_idx')

    op.drop_table('provider_models')
    # ### end Alembic commands ###