Remove unused alembic upgrade

alembic/versions/6e8b438b5e84_add_bot_id_to_botchat.py

@@ -1,46 +0,0 @@
-"""Add bot_id to BotChat
-
-Revision ID: 6e8b438b5e84
-Revises: 2228d49c383f
-Create Date: 2018-06-22 16:32:31.922480
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-# revision identifiers, used by Alembic.
-revision = "6e8b438b5e84"
-down_revision = "2228d49c383f"
-branch_labels = None
-depends_on = None
-
-convention = {
-    "pk": "pk_%(table_name)s"
-}
-
-metadata = sa.MetaData(naming_convention=convention)
-
-
-def upgrade():
-    conn = op.get_bind()
-    res = conn.execute("SELECT id, `type` FROM bot_chat")
-    results = res.fetchall()
-    op.drop_table("bot_chat")
-    bot_chat = op.create_table('bot_chat',
-                               sa.Column('bot_id', sa.Integer),
-                               sa.Column('chat_id', sa.Integer),
-                               sa.Column('type', sa.String, nullable=False),
-                               sa.PrimaryKeyConstraint('bot_id', 'chat_id'))
-    op.bulk_insert(bot_chat, [{"bot_id": 0, "chat_id": r[0], "type": r[1]} for r in results])
-
-
-def downgrade():
-    conn = op.get_bind()
-    res = conn.execute("SELECT chat_id, `type` FROM bot_chat WHERE bot_id=0")
-    results = res.fetchall()
-    op.drop_table("bot_chat")
-    bot_chat = op.create_table('bot_chat',
-                               sa.Column('id', sa.Integer),
-                               sa.Column('type', sa.String, nullable=False),
-                               sa.PrimaryKeyConstraint('id'))
-    op.bulk_insert(bot_chat, [{"id": r[0], "type": r[1]} for r in results])