feat(sql) transactions, savepoints, connection pooling and reserve

src/bun.js/bindings/ErrorCode.ts

@@ -167,6 +167,9 @@ const errors: ErrorCodeMapping = [
   ["ERR_POSTGRES_IDLE_TIMEOUT", Error, "PostgresError"],
   ["ERR_POSTGRES_CONNECTION_TIMEOUT", Error, "PostgresError"],
   ["ERR_POSTGRES_LIFETIME_TIMEOUT", Error, "PostgresError"],
+  ["ERR_POSTGRES_INVALID_TRANSACTION_STATE", Error, "PostgresError"],
+  ["ERR_POSTGRES_QUERY_CANCELLED", Error, "PostgresError"],
+  ["ERR_POSTGRES_UNSAFE_TRANSACTION", Error, "PostgresError"],
 
   // S3
   ["ERR_S3_MISSING_CREDENTIALS", Error],

src/bun.js/event_loop.zig

@@ -898,7 +898,6 @@ pub const EventLoop = struct {
     pub fn runCallback(this: *EventLoop, callback: JSC.JSValue, globalObject: *JSC.JSGlobalObject, thisValue: JSC.JSValue, arguments: []const JSC.JSValue) void {
         this.enter();
         defer this.exit();
-
         _ = callback.call(globalObject, thisValue, arguments) catch |err|
             globalObject.reportActiveExceptionAsUnhandled(err);
     }