update

backend/tests/inspect_db.js

@@ -0,0 +1,21 @@
+const db = require('../database');
+
+const d = db.getDB();
+
+const tables = d.prepare("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name").all();
+console.log('=== ALL TABLES ===');
+tables.forEach(t => {
+  try {
+    const cnt = d.prepare('SELECT COUNT(*) as c FROM ' + t.name).get().c;
+    const cols = d.prepare('PRAGMA table_info(' + t.name + ')').all().map(c => c.name);
+    console.log(t.name + ' (' + cnt + ' rows)');
+    console.log('  cols: ' + cols.join(', '));
+    if (cnt > 0) {
+      const sample = d.prepare('SELECT * FROM ' + t.name + ' LIMIT 1').get();
+      console.log('  sample: ' + JSON.stringify(sample));
+    }
+    console.log('');
+  } catch(e) {
+    console.log(t.name + ': ERROR ' + e.message);
+  }
+});