Add migration for new database design

web/migrations/versions/6c2227f1cc77_.py

+"""empty message
+
+Revision ID: 6c2227f1cc77
+Revises: befe5326787e
+Create Date: 2020-12-02 08:50:45.880062
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '6c2227f1cc77'
+down_revision = 'befe5326787e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('notification_data')
+    op.drop_table('notification_email_data')
+    op.drop_column('corpus_files', 'dir')
+    op.drop_column('job_inputs', 'dir')
+    op.drop_column('job_results', 'dir')
+    op.drop_column('jobs', 'secure_filename')
+    op.alter_column('roles', 'permissions',
+               existing_type=sa.BIGINT(),
+               type_=sa.Integer(),
+               existing_nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('roles', 'permissions',
+               existing_type=sa.Integer(),
+               type_=sa.BIGINT(),
+               existing_nullable=True)
+    op.add_column('jobs', sa.Column('secure_filename', sa.VARCHAR(length=32), autoincrement=False, nullable=True))
+    op.add_column('job_results', sa.Column('dir', sa.VARCHAR(length=255), autoincrement=False, nullable=True))
+    op.add_column('job_inputs', sa.Column('dir', sa.VARCHAR(length=255), autoincrement=False, nullable=True))
+    op.add_column('corpus_files', sa.Column('dir', sa.VARCHAR(length=255), autoincrement=False, nullable=True))
+    op.create_table('notification_email_data',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('job_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('notify_status', sa.VARCHAR(length=16), autoincrement=False, nullable=True),
+    sa.Column('creation_date', postgresql.TIMESTAMP(), autoincrement=False, nullable=True),
+    sa.ForeignKeyConstraint(['job_id'], ['jobs.id'], name='notification_email_data_job_id_fkey'),
+    sa.PrimaryKeyConstraint('id', name='notification_email_data_pkey')
+    )
+    op.create_table('notification_data',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('job_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('notified_on', sa.VARCHAR(length=16), autoincrement=False, nullable=True),
+    sa.ForeignKeyConstraint(['job_id'], ['jobs.id'], name='notification_data_job_id_fkey'),
+    sa.PrimaryKeyConstraint('id', name='notification_data_pkey')
+    )
+    # ### end Alembic commands ###