mirror of
https://gitee.com/dify_ai/dify.git
synced 2024-12-05 12:48:32 +08:00
44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
"""add-dataset-retrival-model
|
|
|
|
Revision ID: fca025d3b60f
|
|
Revises: b3a09c049e8e
|
|
Create Date: 2023-11-03 13:08:23.246396
|
|
|
|
"""
|
|
import sqlalchemy as sa
|
|
from alembic import op
|
|
from sqlalchemy.dialects import postgresql
|
|
|
|
# revision identifiers, used by Alembic.
|
|
revision = 'fca025d3b60f'
|
|
down_revision = '8fe468ba0ca5'
|
|
branch_labels = None
|
|
depends_on = None
|
|
|
|
|
|
def upgrade():
|
|
# ### commands auto generated by Alembic - please adjust! ###
|
|
op.drop_table('sessions')
|
|
with op.batch_alter_table('datasets', schema=None) as batch_op:
|
|
batch_op.add_column(sa.Column('retrieval_model', postgresql.JSONB(astext_type=sa.Text()), nullable=True))
|
|
batch_op.create_index('retrieval_model_idx', ['retrieval_model'], unique=False, postgresql_using='gin')
|
|
|
|
# ### end Alembic commands ###
|
|
|
|
|
|
def downgrade():
|
|
# ### commands auto generated by Alembic - please adjust! ###
|
|
with op.batch_alter_table('datasets', schema=None) as batch_op:
|
|
batch_op.drop_index('retrieval_model_idx', postgresql_using='gin')
|
|
batch_op.drop_column('retrieval_model')
|
|
|
|
op.create_table('sessions',
|
|
sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
|
|
sa.Column('session_id', sa.VARCHAR(length=255), autoincrement=False, nullable=True),
|
|
sa.Column('data', postgresql.BYTEA(), autoincrement=False, nullable=True),
|
|
sa.Column('expiry', postgresql.TIMESTAMP(), autoincrement=False, nullable=True),
|
|
sa.PrimaryKeyConstraint('id', name='sessions_pkey'),
|
|
sa.UniqueConstraint('session_id', name='sessions_session_id_key')
|
|
)
|
|
# ### end Alembic commands ###
|