dify/api/migrations/versions/9f4e3427ea84_add_created_by_role.py
longbingljw 9a22baf57d
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feat: optimize for migration versions (#28787)
Co-authored-by: -LAN- <laipz8200@outlook.com>
2026-01-03 21:33:20 +09:00

63 lines
3.0 KiB
Python

"""add created by role
Revision ID: 9f4e3427ea84
Revises: 64b051264f32
Create Date: 2023-05-17 17:29:01.060435
"""
import sqlalchemy as sa
from alembic import op
def _is_pg(conn):
return conn.dialect.name == "postgresql"
# revision identifiers, used by Alembic.
revision = '9f4e3427ea84'
down_revision = '64b051264f32'
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
conn = op.get_bind()
if _is_pg(conn):
with op.batch_alter_table('pinned_conversations', schema=None) as batch_op:
batch_op.add_column(sa.Column('created_by_role', sa.String(length=255), server_default=sa.text("'end_user'::character varying"), nullable=False))
batch_op.drop_index('pinned_conversation_conversation_idx')
batch_op.create_index('pinned_conversation_conversation_idx', ['app_id', 'conversation_id', 'created_by_role', 'created_by'], unique=False)
with op.batch_alter_table('saved_messages', schema=None) as batch_op:
batch_op.add_column(sa.Column('created_by_role', sa.String(length=255), server_default=sa.text("'end_user'::character varying"), nullable=False))
batch_op.drop_index('saved_message_message_idx')
batch_op.create_index('saved_message_message_idx', ['app_id', 'message_id', 'created_by_role', 'created_by'], unique=False)
else:
with op.batch_alter_table('pinned_conversations', schema=None) as batch_op:
batch_op.add_column(sa.Column('created_by_role', sa.String(length=255), server_default=sa.text("'end_user'"), nullable=False))
batch_op.drop_index('pinned_conversation_conversation_idx')
batch_op.create_index('pinned_conversation_conversation_idx', ['app_id', 'conversation_id', 'created_by_role', 'created_by'], unique=False)
with op.batch_alter_table('saved_messages', schema=None) as batch_op:
batch_op.add_column(sa.Column('created_by_role', sa.String(length=255), server_default=sa.text("'end_user'"), nullable=False))
batch_op.drop_index('saved_message_message_idx')
batch_op.create_index('saved_message_message_idx', ['app_id', 'message_id', 'created_by_role', 'created_by'], unique=False)
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table('saved_messages', schema=None) as batch_op:
batch_op.drop_index('saved_message_message_idx')
batch_op.create_index('saved_message_message_idx', ['app_id', 'message_id', 'created_by'], unique=False)
batch_op.drop_column('created_by_role')
with op.batch_alter_table('pinned_conversations', schema=None) as batch_op:
batch_op.drop_index('pinned_conversation_conversation_idx')
batch_op.create_index('pinned_conversation_conversation_idx', ['app_id', 'conversation_id', 'created_by'], unique=False)
batch_op.drop_column('created_by_role')
# ### end Alembic commands ###