Add sqlite -> postgres migration script

migr.ts

@@ -0,0 +1,43 @@
+import { Database } from "bun:sqlite";
+import postgres from "postgres";
+
+const sql = postgres();
+const db = new Database("db.sqlite");
+
+// Humans -> devs
+console.log("Migrating devs")
+const humans = db.query("SELECT * FROM humans").all();
+await sql`insert into devs ${sql(humans)}`;
+await sql`SELECT SETVAL('public."devs_id_seq"', COALESCE(MAX(id), 1)) FROM "devs"`;
+
+// Bots
+console.log("Migrating bots")
+const bots = db.query("SELECT * FROM bots").all();
+for (const b of bots) {
+  b.dev_id = b.human_id;
+  delete b.human_id;
+}
+await sql`insert into bots ${sql(bots)}`;
+await sql`SELECT SETVAL('public."bots_id_seq"', COALESCE(MAX(id), 1)) FROM "bots"`;
+
+// Default elo updates
+console.log("Mkaing empty elo updates")
+for (const b of bots) {
+  await sql`insert into elo_updates (game_id, bot_id, change) VALUES (null, ${b.id}, 1000)`;
+}
+
+// Games
+// console.log("Migrating games")
+// const games = db.query("SELECT * FROM games").all();
+// for (const g of games) {
+//   await sql`insert into games ${sql(g)}`;
+// }
+
+// Moves
+// console.log("Migrating moves")
+// const moves = db.query("SELECT * FROM moves").all();
+// for (const m of moves) {
+//   await sql`insert into moves ${sql(m)}`;
+// }
+
+console.log("done");