init CTFd source

migrations/versions/4d3c1b59d011_add_next_id_to_challenges_table.py

@@ -0,0 +1,32 @@
+"""Add next_id to Challenges table
+
+Revision ID: 4d3c1b59d011
+Revises: 6012fe8de495
+Create Date: 2022-04-07 03:53:27.554190
+
+"""
+from alembic import op  # noqa: I001
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "4d3c1b59d011"
+down_revision = "6012fe8de495"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("challenges", sa.Column("next_id", sa.Integer(), nullable=True))
+    op.create_foreign_key(
+        None, "challenges", "challenges", ["next_id"], ["id"], ondelete="SET NULL"
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, "challenges", type_="foreignkey")
+    op.drop_column("challenges", "next_id")
+    # ### end Alembic commands ###