add insert pr ignore support for sqlite + tests

lib/dialects/sqlite/query-generator.js

@@ -172,8 +172,8 @@ module.exports = (function() {
       return "SELECT name FROM sqlite_master WHERE type='table' and name!='sqlite_sequence';"
     },
 
-    bulkInsertQuery: function(tableName, attrValueHashes) {
-      var query = "INSERT INTO <%= table %> (<%= attributes %>) VALUES <%= tuples %>;"
+    bulkInsertQuery: function(tableName, attrValueHashes, options) {
+      var query = "INSERT<%= ignore %> INTO <%= table %> (<%= attributes %>) VALUES <%= tuples %>;"
         , tuples = []
         , allAttributes = []
 
@@ -192,6 +192,7 @@ module.exports = (function() {
       }.bind(this))
 
       var replacements  = {
+        ignore: options && options.ignore ? ' OR IGNORE' : '',
         table: this.quoteIdentifier(tableName),
         attributes: allAttributes.map(function(attr){
                       return this.quoteIdentifier(attr)

test/sqlite/query-generator.test.js

@@ -385,6 +385,9 @@ if (dialect === 'sqlite') {
           arguments: ['myTable', [{name: 'foo', foo: 1, nullValue: null}, {name: 'bar', foo: 2, nullValue: null}]],
           expectation: "INSERT INTO `myTable` (`name`,`foo`,`nullValue`) VALUES ('foo',1,NULL),('bar',2,NULL);",
           context: {options: {omitNull: true}} // Note: As above
+        }, {
+          arguments: ['myTable', [{name: 'foo'}, {name: 'bar'}], {ignore: true}],
+          expectation: "INSERT OR IGNORE INTO `myTable` (`name`) VALUES ('foo'),('bar');"
         }
       ],