change useCount reset to 1

vitaly-t · Mar 12, 2021 · 1f6b9e7 · 1f6b9e7
1 parent 7848329
commit 1f6b9e7
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/connect.js b/lib/connect.js
@@ -37,7 +37,10 @@ function poolConnect(ctx, db, config) {
                 reject(err);
             } else {
                 if (`$useCount` in client) {
-                    client.$useCount = client.$useCount >= Number.MAX_SAFE_INTEGER ? 0 : ++client.$useCount;
+                    // Make sure useCount drops to 1, if it ever reaches maximum integer number;
+                    // We do not drop it to zero, to avoid rerun of initialization queries that
+                    // usually check for useCount === 0;
+                    client.$useCount = client.$useCount >= Number.MAX_SAFE_INTEGER ? 1 : ++client.$useCount;
                 } else {
                     Object.defineProperty(client, `$useCount`, {
                         value: 0,