From 6578d3c856be0ade4d20a0666f08a1d49f8c2e56 Mon Sep 17 00:00:00 2001
From: Josh <jcoakley@aptivaai.com>
Date: Sat, 13 Sep 2025 15:47:08 +0000
Subject: [PATCH] changed server2 user_profile.db to remove sqlite connection

---
 backend/server2.js | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/backend/server2.js b/backend/server2.js
index 049c5fa..6e5835e 100755
--- a/backend/server2.js
+++ b/backend/server2.js
@@ -503,17 +503,18 @@ let userProfileDb;
 
 async function initDatabases() {
   try {
+       // Open salary DB as an immutable, read-only URI so SQLite never touches -wal/-shm/-journal.
+    // Requires OPEN_URI flag in addition to OPEN_READONLY.
+    const SALARY_DB_URI = `file:${SALARY_DB_PATH}?immutable=1&mode=ro`;
     dbSqlite = await open({
-      filename: SALARY_DB_PATH,
+      filename: SALARY_DB_URI,
       driver  : sqlite3.Database,
-      mode    : sqlite3.OPEN_READONLY
+      mode    : sqlite3.OPEN_READONLY | sqlite3.OPEN_URI
     });
-    console.log('✅  Connected to salary_info.db');
- // Light PRAGMAs safe for read-only workload
+    console.log('✅  Connected to salary_info.db (immutable, ro)');
+    // Read-only safe PRAGMAs (no write state). journal_mode/synchronous removed.
     await dbSqlite.exec(`
       PRAGMA busy_timeout=4000;
-      PRAGMA journal_mode=OFF;
-      PRAGMA synchronous=OFF;
       PRAGMA temp_store=MEMORY;
     `);
     // One prepared statement: regional (param) + national in a single scan
@@ -534,11 +535,18 @@ async function initDatabases() {
         AND (AREA_TITLE = ? OR AREA_TITLE = 'U.S.')
     `);
 
-    userProfileDb = await open({
-      filename: USER_PROFILE_DB_PATH,
-      driver  : sqlite3.Database
-    });
-    console.log('✅  Connected to user_profile.db');
+        // In prod, user_profile is MySQL; do not try to open a SQLite file here.
+    // Leave dev behavior untouched: only open SQLite if clearly running non-prod.
+    if (process.env.NODE_ENV !== 'production') {
+      userProfileDb = await open({
+        filename: USER_PROFILE_DB_PATH,
+        driver  : sqlite3.Database
+      });
+      console.log('✅  Connected to user_profile.db (sqlite, dev)');
+   } else {
+      userProfileDb = null;
+      console.log('ℹ️  user_profile via MySQL pool (no SQLite open in prod)');
+    }
   } catch (err) {
     console.error('❌  DB init failed →', err);
     process.exit(1);