U \d[@s<dZddlmZddlZdZdZdZdZddZ dd Z dS) zhempty message Revision ID: 23ea93cd533f Revises: 728547616bf4 Create Date: 2020-10-14 17:28:13.983125 )opN 23ea93cd533fZ 728547616bf4cCsTtdtjdtjddddtjtdddgdd tddd dgd gdS) Ncmf_u_work_chat_topiclast_comment_id@)lengthT)nullable(ix_cmf_u_work_chat_topic_last_comment_idF)unique cmf_commentid)r add_columnsaColumnCHAR create_indexfcreate_foreign_keyrr./opt/eva-app/alembic/versions/23ea93cd533f_.pyupgrades rcCs4tjddddtjtdddtdddS)Nr foreignkey)type_r ) table_namer)rdrop_constraint drop_indexr drop_columnrrrr downgradesr) __doc__alembicr sqlalchemyrrevision down_revision branch_labels depends_onrrrrrrs