dify/api/migrations/versions/6dcb43972bdc_add_dataset_retriever_resource.py
Jyong 642842d61b
Feat:dataset retiever resource (#1123)
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
2023-09-10 15:17:43 +08:00

55 lines
2.2 KiB
Python

"""add_dataset_retriever_resource
Revision ID: 6dcb43972bdc
Revises: 4bcffcd64aa4
Create Date: 2023-09-06 16:51:27.385844
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql
# revision identifiers, used by Alembic.
revision = '6dcb43972bdc'
down_revision = '4bcffcd64aa4'
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('dataset_retriever_resources',
sa.Column('id', postgresql.UUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
sa.Column('message_id', postgresql.UUID(), nullable=False),
sa.Column('position', sa.Integer(), nullable=False),
sa.Column('dataset_id', postgresql.UUID(), nullable=False),
sa.Column('dataset_name', sa.Text(), nullable=False),
sa.Column('document_id', postgresql.UUID(), nullable=False),
sa.Column('document_name', sa.Text(), nullable=False),
sa.Column('data_source_type', sa.Text(), nullable=False),
sa.Column('segment_id', postgresql.UUID(), nullable=False),
sa.Column('score', sa.Float(), nullable=True),
sa.Column('content', sa.Text(), nullable=False),
sa.Column('hit_count', sa.Integer(), nullable=True),
sa.Column('word_count', sa.Integer(), nullable=True),
sa.Column('segment_position', sa.Integer(), nullable=True),
sa.Column('index_node_hash', sa.Text(), nullable=True),
sa.Column('retriever_from', sa.Text(), nullable=False),
sa.Column('created_by', postgresql.UUID(), nullable=False),
sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
sa.PrimaryKeyConstraint('id', name='dataset_retriever_resource_pkey')
)
with op.batch_alter_table('dataset_retriever_resources', schema=None) as batch_op:
batch_op.create_index('dataset_retriever_resource_message_id_idx', ['message_id'], unique=False)
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table('dataset_retriever_resources', schema=None) as batch_op:
batch_op.drop_index('dataset_retriever_resource_message_id_idx')
op.drop_table('dataset_retriever_resources')
# ### end Alembic commands ###