add necessary migration

migrations/versions/2020_051016_bf11ab2f0a7a_.py

@@ -0,0 +1,41 @@
+"""empty message
+
+Revision ID: bf11ab2f0a7a
+Revises: a5e3c6693dc6
+Create Date: 2020-05-10 16:41:48.038484
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'bf11ab2f0a7a'
+down_revision = 'a5e3c6693dc6'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('alias_mailbox',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('created_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=False),
+    sa.Column('updated_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=True),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('alias_id', sa.Integer(), nullable=False),
+    sa.Column('mailbox_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['alias_id'], ['alias.id'], ondelete='cascade'),
+    sa.ForeignKeyConstraint(['mailbox_id'], ['mailbox.id'], ondelete='cascade'),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='cascade'),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('alias_id', 'mailbox_id', name='uq_alias_mailbox')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('alias_mailbox')
+    # ### end Alembic commands ###

migrations/versions/2020_051018_1759f73274ee_.py

@@ -0,0 +1,31 @@
+"""empty message
+
+Revision ID: 1759f73274ee
+Revises: bf11ab2f0a7a
+Create Date: 2020-05-10 18:33:55.376369
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '1759f73274ee'
+down_revision = 'bf11ab2f0a7a'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('email_log', sa.Column('bounced_mailbox_id', sa.Integer(), nullable=True))
+    op.create_foreign_key(None, 'email_log', 'mailbox', ['bounced_mailbox_id'], ['id'], ondelete='cascade')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'email_log', type_='foreignkey')
+    op.drop_column('email_log', 'bounced_mailbox_id')
+    # ### end Alembic commands ###