Add raw statement for special handling like postgres operators

index.js

@@ -25,6 +25,8 @@ var functionOperatorMap = {
   AND_NOTIN: 'andWhereNotIn',
   AND_ISNULL: 'andWhereNull',
   AND_NOTNULL: 'andWhereNotNull',
+  /* ---- */
+  RAW: 'whereRaw'
 };
 
 var aliases = {
@@ -62,7 +64,8 @@ function addCondition (q, field, val) {
       val = [ 'AND', field ].concat(val);
     }
   }
-  return q[functionOperatorMap[val[0]]].apply(q, val.slice(1));
+  var args = val[0] === 'RAW' ? [ '"'+val[1]+'" ' + val[2] ] : val.slice(1)
+  return q[functionOperatorMap[val[0]]].apply(q, args);
 }
 
 

test.js

@@ -72,6 +72,11 @@ var conditions= [
     input:{ f1: ['NOTIN', [ 50, 60 ] ], f2: 20, f3: 30 },
     output: 'select * where ("f1" not in (50, 60) and "f2" = 20 and "f3" = 30)'
   },
+  {
+    name: 'handle simple and condition with raw statement',
+    input: { f1: { $raw: '@> ANY(ARRAY(1,2,3))' }, f2: 20 },
+    output: 'select * where ("f1" @> ANY(ARRAY(1,2,3)) and "f2" = 20)'
+  },
   /* -----------Tests for or conditions---------- */
   {
     name: 'handle simple or condition',
@@ -128,6 +133,11 @@ var conditions= [
     input:[ { f1: { $nin: [ 50, 60 ] } }, { f2: 20 }, { f3: 30 } ],
     output: 'select * where (("f1" not in (50, 60)) or ("f2" = 20) or ("f3" = 30))'
   },
+  {
+    name: 'handle simple or condition with raw statement',
+    input: [ { f1: { $raw: '@> ANY(ARRAY(1,2,3))' } }, { f2: 20 } ],
+    output: 'select * where (("f1" @> ANY(ARRAY(1,2,3))) or ("f2" = 20))'
+  },
 ];