record inviter on invitation

alembic/versions/2bec1868a22a_add_inviter_relationship_to_invitation.py

@@ -0,0 +1,32 @@
+"""add inviter relationship to invitation
+
+Revision ID: 2bec1868a22a
+Revises: c7feaa7b6b0c
+Create Date: 2018-10-26 12:45:13.192062
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '2bec1868a22a'
+down_revision = 'c7feaa7b6b0c'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('invitations', sa.Column('inviter_id', postgresql.UUID(as_uuid=True), nullable=True))
+    op.create_index(op.f('ix_invitations_inviter_id'), 'invitations', ['inviter_id'], unique=False)
+    op.create_foreign_key(None, 'invitations', 'users', ['inviter_id'], ['id'])
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'invitations', type_='foreignkey')
+    op.drop_index(op.f('ix_invitations_inviter_id'), table_name='invitations')
+    op.drop_column('invitations', 'inviter_id')
+    # ### end Alembic commands ###