Add the ability to lock threads

migrations/versions/8679442b8dde_.py

@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: 8679442b8dde
+Revises: f612e293070a
+Create Date: 2020-07-11 00:14:02.330903
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '8679442b8dde'
+down_revision = 'f612e293070a'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('thread', sa.Column('locked', sa.Boolean(), server_default='0', nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('thread', 'locked')
+    # ### end Alembic commands ###