Generate database migration script

migrations/versions/0b03879cdb05_add_user_preferences_table.py

@@ -0,0 +1,35 @@
+"""Add user preferences table
+
+Revision ID: 0b03879cdb05
+Revises: f703f911d4ae
+Create Date: 2018-08-11 13:23:01.863441
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '0b03879cdb05'
+down_revision = 'f703f911d4ae'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('user_preferences',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('hide_comments', sa.Boolean(), nullable=False),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('user_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('user_preferences')
+    # ### end Alembic commands ###