1 files changed, 12 insertions, 0 deletions
diff --git a/planetwars-server/migrations/2022-07-23-131936_bot_active_version/up.sql b/planetwars-server/migrations/2022-07-23-131936_bot_active_version/up.sql
new file mode 100644
index 0000000..8ea398b
--- /dev/null
+++ b/planetwars-server/migrations/2022-07-23-131936_bot_active_version/up.sql
@@ -0,0 +1,12 @@
+-- Your SQL goes here
+ALTER TABLE bots ADD COLUMN active_version INTEGER REFERENCES bot_versions(id);
+
+-- set most recent bot verison as active
+UPDATE bots
+SET active_version = most_recent.id
+FROM (
+    SELECT DISTINCT ON (bot_id) id, bot_id
+    FROM bot_versions
+    ORDER BY bot_id, created_at DESC
+    ) most_recent
+WHERE bots.id = most_recent.bot_id;
+\ No newline at end of file