SqlString.escape now accepts an object as an argument closes #760

lib/sql-string.js

@@ -9,6 +9,19 @@ SqlString.escapeId = function (val, forbidQualified) {
 };
 
 SqlString.escape = function(val, stringifyObjects, timeZone, dialect, field) {
+  if (arguments.length === 1 && typeof arguments[0] === "object") {
+    val = val.val || val.value || null
+    stringifyObjects = val.stringifyObjects || val.objects || undefined
+    timeZone = val.timeZone || val.zone || null
+    dialect = val.dialect || null
+    field = val.field || null
+  }
+  else if (arguments.length < 3 && typeof arguments[1] === "object") {
+    timeZone = stringifyObjects.timeZone || stringifyObjects.zone || null
+    dialect = stringifyObjects.dialect || null
+    field = stringifyObjects.field || null
+  }
+
   if (val === undefined || val === null) {
     return 'NULL';
   }
@@ -19,7 +32,8 @@ SqlString.escape = function(val, stringifyObjects, timeZone, dialect, field) {
     // for us. Postgres actually has a boolean type with true/false literals,
     // but sequelize doesn't use it yet.
     return dialect === 'sqlite' ? +!!val : ('' + !!val);
-    case 'number': return val+'';
+  case 'number':
+    return val+'';
   }
 
   if (val instanceof Date) {