Fix strictQuery warning from new mongoose versions

-Suppress the "DeprecationWarning: Mongoose: the `strictQuery` option will be switched back to `false` by default in Mongoose 7" warning msg when starting the explorer and using any of the scripts that connect to mongo

lib/database.js

@@ -256,6 +256,8 @@ function init_heavy(cb) {
 module.exports = {
   // initialize DB
   connect: function(database, cb) {
+    mongoose.set('strictQuery', true);
+
     mongoose.connect(database, function(err) {
       if (err) {
         console.log('Error: Unable to connect to database: %s', database);

scripts/benchmark.js

@@ -20,6 +20,8 @@ dbString = dbString + '@' + settings.dbsettings.address;
 dbString = dbString + ':' + settings.dbsettings.port;
 dbString = dbString + "/IQUIDUS-BENCHMARK";
 
+mongoose.set('strictQuery', true);
+
 mongoose.connect(dbString, function(err) {
   if (err) {
     console.log('Error: Unable to connect to database: %s', dbString);

scripts/delete_database.js

@@ -92,6 +92,8 @@ rl.question('Are you sure you want to do this? [y/n]: ', function (deleteAnswer)
 
           console.log('Connecting to database..');
 
+          mongoose.set('strictQuery', true);
+
           // connect to mongo database
           mongoose.connect(dbString, function(err) {
             if (err) {

scripts/restore_backup.js

@@ -82,6 +82,8 @@ function delete_database(mongoose, settings, cb) {
 
   console.log('Connecting to database..');
 
+  mongoose.set('strictQuery', true);
+
   // connect to mongo database
   mongoose.connect(dbString, function(err) {
     if (err) {

scripts/sync.js

@@ -359,6 +359,8 @@ if (lib.is_locked([database]) == false) {
     dbString = dbString + ':' + settings.dbsettings.port;
     dbString = dbString + '/' + settings.dbsettings.database;
 
+    mongoose.set('strictQuery', true);
+
     mongoose.connect(dbString, function(err) {
       if (err) {
         console.log('Error: Unable to connect to database: %s', dbString);