Add insertBatch method with tests

lib/driver.js

@@ -112,7 +112,48 @@ var d = {
 		sql += d.quoteTable(table);
 
 		return sql;
+	},
+
+	/**
+	 * SQL to insert a group of rows
+	 *
+	 * @param {String} table - The table to insert to
+	 * @param {Array} [data] - The array of object containing data to insert
+	 * @return {String}
+	 */
+	insertBatch: function(table, data) {
+
+		// Get the data values to insert, so they can
+		// be parameterized
+		var vals = [];
+		data.forEach(function(obj) {
+			Object.keys(obj).forEach(function(key) {
+				vals.push(obj[key]);
+			});
+		});
+
+		// Get the field names from the keys of the first
+		// object inserted
+		var fields = Object.keys(data[0]);
+		table = d.quoteTable(table);
+
+		var sql = "INSERT INTO " + table + " ("
+			+ d.quoteIdentifiers(fields).join(",")
+			+ ") VALUES ";
+
+		// Create placeholder groups
+		var params = new Array(fields.length).fill('?');
+		var paramString = "(" + params.join(',') + ")";
+		var paramList = new Array(data.length).fill(paramString);
+
+		sql += paramList.join(',');
+
+		return {
+			sql: sql,
+			values: vals
+		};
 	}
+
 };
 
 module.exports = d;

lib/query-builder.js

@@ -269,18 +269,21 @@ var QueryBuilder = function(driver, adapter) {
 			_p.appendMap(args.conj, str, 'whereIn');
 		},
 		run: function(type, table, callback, sql, vals) {
+
 			if ( ! sql)
 			{
 				sql = _p.compile(type, table);
 			}
-//console.log(sql);
-//console.log('------------------------');
 
 			if ( ! vals)
 			{
 				vals = state.values.concat(state.whereValues);
 			}
 
+//console.log(sql);
+//console.log(vals);
+//console.log('------------------------');
+
 			// Reset the state so another query can be built
 			_p.resetState();
 
@@ -763,6 +766,7 @@ var QueryBuilder = function(driver, adapter) {
 	 */
 	this.insert = function(/* table, data, callback */) {
 		var args = getArgs('table:string, [data]:object, callback:function', arguments);
+		args.table = driver.quoteTable(args.table);
 		if (args.data) {
 			this.set(args.data);
 		}
@@ -771,6 +775,23 @@ var QueryBuilder = function(driver, adapter) {
 		_p.run('insert', args.table, args.callback);
 	};
 
+	/**
+	 * Insert multiple sets of rows at a time
+	 *
+	 * @param {String} table - The table to insert into
+	 * @param {Array} data - The array of objects containing data rows to insert
+	 * @param {Function} callback - Callback for handling database response
+	 * @example query.insertBatch('foo',[{id:1,val:'bar'},{id:2,val:'baz'}], callbackFunction);S
+	 * @return void
+	 */
+	this.insertBatch = function(/* table, data, callback */) {
+		var args = getArgs('table:string, data:array, callback:function', arguments);
+		var batch = driver.insertBatch(args.table, args.data);
+
+		// Run the query
+		_p.run('', '', args.callback, batch.sql, batch.values);
+	};
+
 	/**
 	 * Run the generated update query
 	 *
@@ -798,7 +819,7 @@ var QueryBuilder = function(driver, adapter) {
 	 * @return void
 	 */
 	this.delete = function (/*table, [where], callback*/) {
-		var args = getArgs('table:string, [where], callback:function', arguments);
+		var args = getArgs('table:string, [where]:object, callback:function', arguments);
 
 		if (args.where)
 		{

tests/base_test.js

@@ -24,9 +24,7 @@ module.exports = {
 		test.expect(1);
 		test.throws(function() {
 			modules['node-query']('foo', {}, 'bar');
-		}, function(err) {
-			if (err instanceof Error) return true;
-		});
+		}, Error, "Bad driver throws exception");
 		test.done();
 	}
 };

tests/query-builder-base.js

@@ -322,6 +322,24 @@ module.exports = (function QueryBuilderTestBase()  {
 					val: 2
 				}, base.testCallback.bind(this, test));
 			},
+			'Test Insert Batch': function(test) {
+				test.expect(1);
+				var data = [{
+					id: 544,
+					key: 3,
+					val: 7
+				}, {
+					id: 89,
+					key: 34,
+					val: "10 o'clock"
+				}, {
+					id: 48,
+					key: 403,
+					val: 97
+				}];
+
+				base.qb.insertBatch('create_test', data, base.testCallback.bind(this, test));
+			},
 			'Test Update': function(test) {
 				test.expect(1);
 				base.qb.where('id', 7)
@@ -354,12 +372,12 @@ module.exports = (function QueryBuilderTestBase()  {
 			'Test delete': function(test) {
 				test.expect(1);
 				base.qb.delete('create_test', {id: 5}, base.testCallback.bind(this, test));
-			}/*,
+			},
 			'delete with where': function(test) {
 				test.expect(1);
 				base.qb.where('id', 5)
 					.delete('create_test', base.testCallback.bind(this, test));
-			}*/
+			}
 		},
 		// ! Get compiled tests
 		'Get compiled tests' : {