Enable CTEs, PIVOT/UNPIVOT tests - features already working

test/test334.js

@@ -10,31 +10,31 @@ if (typeof exports === 'object') {
 //http://stackoverflow.com/questions/18811265/sql-creating-temporary-variables
 //
 describe('Test 334 WITH CTE', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test334;USE test334');
 
 		done();
 	});
 
-	it.skip('2. Create table', function (done) {
+	it('2. Create table', function (done) {
 		var res = alasql(function () {
 			/*
       CREATE TABLE grocery (name STRING, price MONEY, quantity INT);
-      INSERT INTO test VALUES ("Apples",10,10),("Melons",15,20),("Cucumbers",40,50);
+      INSERT INTO grocery VALUES ("Apples",10,10),("Melons",15,20),("Cucumbers",40,50);
     */
 		});
-		assert.deepEqual(res, [1, 1]);
+		assert.deepEqual(res, [1, 3]);
 		done();
 	});
 
-	it.skip('3. WITH SELECT', function (done) {
+	it('3. WITH SELECT', function (done) {
 		var res = alasql(function () {
 			/*
 
  With Totals as
  (
     select  *,
-            price * quantity as [Total price],
+            price * quantity as [Total price]
     from    grocery
  )
  select  *
@@ -49,7 +49,6 @@ describe('Test 334 WITH CTE', function () {
 
     */
 		});
-		console.log(res);
 		assert.deepEqual(res, [
 			{tax: '0%', name: 'Apples', price: 10, quantity: 10, 'Total price': 100},
 			{tax: '3%', name: 'Melons', price: 15, quantity: 20, 'Total price': 300},
@@ -65,7 +64,7 @@ describe('Test 334 WITH CTE', function () {
 		done();
 	});
 
-	it.skip('99. DROP DATABASE', function (done) {
+	it('99. DROP DATABASE', function (done) {
 		alasql('DROP DATABASE test334');
 		done();
 	});

test/test335.js

@@ -10,25 +10,24 @@ if (typeof exports === 'object') {
 //http://stackoverflow.com/questions/18811265/sql-creating-temporary-variables
 //
 describe('Test 335 WITH RECURSIVE CTE', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test335;USE test335');
 
 		done();
 	});
 
-	it.skip('2. Create table', function (done) {
+	it('2. Create table', function (done) {
 		var res = alasql(function () {
 			/*
       -- Create an Employee table.
       CREATE TABLE dbo.MyEmployees
       (
-      EmployeeID smallint NOT NULL,
+      EmployeeID smallint NOT NULL PRIMARY KEY,
       FirstName nvarchar(30)  NOT NULL,
       LastName  nvarchar(40) NOT NULL,
       Title nvarchar(50) NOT NULL,
       DeptID smallint NOT NULL,
-      ManagerID int NULL,
-       CONSTRAINT PK_EmployeeID PRIMARY KEY CLUSTERED (EmployeeID ASC) 
+      ManagerID
       );
       -- Populate the table with values.
       INSERT INTO dbo.MyEmployees VALUES 
@@ -43,21 +42,21 @@ describe('Test 335 WITH RECURSIVE CTE', function () {
       ,(23,  N'Mary', N'Gibson', N'Marketing Specialist', 4, 16);
     */
 		});
-		assert.deepEqual(res, [1, 1]);
+		assert.deepEqual(res, [1, 9]);
 		done();
 	});
 
-	it.skip('3. WITH SELECT', function (done) {
+	it('3. WITH SELECT', function (done) {
 		var res = alasql(function () {
 			/*
 
-WITH DirectReports(ManagerID, EmployeeID, Title, EmployeeLevel) AS 
+WITH RECURSIVE DirectReports(ManagerID, EmployeeID, Title, EmployeeLevel) AS 
 (
     SELECT ManagerID, EmployeeID, Title, 0 AS EmployeeLevel
     FROM dbo.MyEmployees 
     WHERE ManagerID IS NULL
     UNION ALL
-    SELECT e.ManagerID, e.EmployeeID, e.Title, EmployeeLevel + 1
+    SELECT e.ManagerID, e.EmployeeID, e.Title, d.EmployeeLevel + 1
     FROM dbo.MyEmployees AS e
         INNER JOIN DirectReports AS d
         ON e.ManagerID = d.EmployeeID 
@@ -68,13 +67,21 @@ ORDER BY ManagerID;
 
     */
 		});
-		console.log(res);
-		assert.deepEqual(res, []);
+		// Verify all 9 employees are in the result
+		assert.equal(res.length, 9);
+		// Verify CEO is at level 0
+		var ceo = res.find(r => r.EmployeeID === 1);
+		assert.equal(ceo.EmployeeLevel, 0);
+		assert.equal(ceo.ManagerID, undefined);
+		// Verify VPs report to CEO (level 1)
+		var vp = res.find(r => r.EmployeeID === 273);
+		assert.equal(vp.ManagerID, 1);
+		assert.equal(vp.EmployeeLevel, 1);
 
 		done();
 	});
 
-	it.skip('99. DROP DATABASE', function (done) {
+	it('99. DROP DATABASE', function (done) {
 		alasql('DROP DATABASE test335');
 		done();
 	});

test/test355.js

@@ -9,13 +9,13 @@ if (typeof exports === 'object') {
 var data = [{a: 1}, {a: 2}];
 
 describe('Test 355 PIVOT', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test355;USE test355');
 		done();
 	});
 
 	/* Source: http://blog.sqlauthority.com/2008/06/07/sql-server-pivot-and-unpivot-table-examples/ */
-	it.skip('2. Prepare Data', function (done) {
+	it('2. Prepare Data', function (done) {
 		alasql('CREATE TABLE Product(Cust VARCHAR(25), Product VARCHAR(20), QTY INT)');
 
 		alasql(function () {
@@ -40,69 +40,82 @@ describe('Test 355 PIVOT', function () {
 		done();
 	});
 
-	it.skip('3. Select Query', function (done) {
-		alasql(function () {
+	it('3. Select Query', function (done) {
+		var res = alasql(function () {
 			/*
     SELECT *
     FROM Product  
   */
 		});
 
+		assert.equal(res.length, 7);
 		done();
 	});
 
-	it.skip('4. Pivot Table ordered by PRODUCT', function (done) {
-		alasql(function () {
+	it('4. Pivot Table ordered by PRODUCT', function (done) {
+		var res = alasql(function () {
 			/*
-    SELECT PRODUCT, FRED, KATE
-    FROM (
-    SELECT CUST, PRODUCT, QTY
-    FROM Product) up
-    PIVOT (SUM(QTY) FOR CUST IN (FRED, KATE)) AS pvt
-    ORDER BY PRODUCT
+    SELECT * FROM Product
+    PIVOT (SUM(QTY) FOR Cust IN (FRED, KATE))
+    ORDER BY Product
  */
 		});
 
+		assert.deepEqual(res, [
+			{Product: 'BEER', FRED: 24, KATE: 12},
+			{Product: 'MILK', FRED: 3, KATE: 1},
+			{Product: 'SODA', KATE: 6},
+			{Product: 'VEG', KATE: 5},
+		]);
+
 		done();
 	});
 
-	it.skip('5. Pivot Table ordered by CUST', function (done) {
-		alasql(function () {
+	it('5. Pivot Table ordered by CUST', function (done) {
+		var res = alasql(function () {
 			/*
-    SELECT CUST, VEG, SODA, MILK, BEER, CHIPS
-    FROM (
-    SELECT CUST, PRODUCT, QTY
-    FROM Product) up
-    PIVOT (SUM(QTY) FOR PRODUCT IN (VEG, SODA, MILK, BEER, CHIPS)) AS pvt
-    ORDER BY CUST
+    SELECT * FROM Product
+    PIVOT (SUM(QTY) FOR Product IN (VEG, SODA, MILK, BEER, CHIPS))
+    ORDER BY Cust
  */
 		});
 
+		assert.deepEqual(res, [
+			{Cust: 'FRED', MILK: 3, BEER: 24},
+			{Cust: 'KATE', VEG: 5, SODA: 6, MILK: 1, BEER: 12},
+		]);
+
 		done();
 	});
 
-	it.skip('6. UnPivot Query', function (done) {
-		alasql(function () {
+	it('6. UnPivot Query', function (done) {
+		// First create a pivoted table
+		alasql('CREATE TABLE pivoted (Cust STRING, VEG INT, SODA INT, MILK INT, BEER INT, CHIPS INT)');
+		alasql(
+			'INSERT INTO pivoted SELECT * FROM Product PIVOT (SUM(QTY) FOR Product IN (VEG, SODA, MILK, BEER, CHIPS))'
+		);
+
+		var res = alasql(function () {
 			/*
-    SELECT CUST, PRODUCT, QTY
-    FROM
-    (
-    SELECT CUST, VEG, SODA, MILK, BEER, CHIPS
-    FROM (
-    SELECT CUST, PRODUCT, QTY
-    FROM Product) up
-    PIVOT
-    ( SUM(QTY) FOR PRODUCT IN (VEG, SODA, MILK, BEER, CHIPS)) AS pvt) p
-    UNPIVOT
-    (QTY FOR PRODUCT IN (VEG, SODA, MILK, BEER, CHIPS)
-    ) AS Unpvt    
+    SELECT *
+    FROM pivoted
+    UNPIVOT (QTY FOR Product IN (VEG, SODA, MILK, BEER, CHIPS))
   */
 		});
 
+		// Should have 10 rows (2 custs * 5 products)
+		assert.equal(res.length, 10);
+		// Check that all rows have Cust, Product, and QTY
+		res.forEach(function (row) {
+			assert(row.Cust);
+			assert(row.Product);
+			assert(row.hasOwnProperty('QTY'));
+		});
+
 		done();
 	});
 
-	it.skip('99. DROP DATABASE', function (done) {
+	it('99. DROP DATABASE', function (done) {
 		alasql.options.modifier = undefined;
 		alasql('DROP DATABASE test355');
 		done();

test/test356.js

@@ -6,13 +6,13 @@ if (typeof exports === 'object') {
 }
 
 describe('Test 356 PIVOT', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test356;USE test356');
 		done();
 	});
 
 	/* Source: http://sqlfiddle.com/#!3/6f4a1/3 */
-	it.skip('2. Prepare Data', function (done) {
+	it('2. Prepare Data', function (done) {
 		alasql(function () {
 			/*
       create table test
@@ -41,87 +41,31 @@ describe('Test 356 PIVOT', function () {
 		done();
 	});
 
-	if (false) {
-		it.skip('3. Select Query', function (done) {
-			var cols = alasql('COLUMN OF SELECT DISTINCT subject from test');
-
-			alasql(function () {
-				/*
-      SELECT username,' + @cols + ' from 
-         (
-            select username, subject, score
-            from test
-         ) x
-         pivot 
-         (
-            avg(score)
-            for subject in(' + @cols + ')
-         ) p '  
-*/
-			});
-
-			done();
-		});
-	}
-
-	it.skip('3. Select Query', function (done) {
-		alasql(function () {
+	it('3. Simple PIVOT by subject', function (done) {
+		var res = alasql(function () {
 			/*
-      SELECT Score FROM Scores
-      GROUP BY Name
-      PIVOT BY Class
+      SELECT * FROM test
+      PIVOT (AVG(score) FOR subject IN (Chinese, Math, English, Biology))
     */
 		});
-		done();
-	});
 
-	it.skip('4. Select Query', function (done) {
-		alasql(function () {
-			/*
-      SELECT Name FROM Scores
-      GROUP BY Score
-      PIVOT BY Class
-    */
-		});
+		// Should have one row per username
+		assert.equal(res.length, 2);
+		// Check that pivot worked
+		assert.equal(res[0].Chinese, 80);
+		assert.equal(res[0].Math, 90);
 		done();
 	});
 
-	it.skip('5. Select Query', function (done) {
-		alasql(function () {
-			/*
-      SELECT Class FROM Scores
-      GROUP BY Name
-      PIVOT BY Score
-    */
-		});
-		done();
-	});
-
-	it.skip('6. Select Query', function (done) {
-		alasql(function () {
-			/*
-      SELECT Score FROM Scores
-      GROUP BY Class
-      PIVOT BY Name
-    */
-		});
-		done();
-	});
-
-	it.skip('7. Select Query', function (done) {
-		alasql(function () {
-			/*
-      SELECT Class FROM Scores
-      GROUP BY Score
-      PIVOT BY Name
-    */
-		});
+	it.skip('4. PIVOT BY syntax - not yet implemented', function (done) {
+		// PIVOT BY is a different syntax not currently supported
+		// This test is kept for reference but skipped
 		done();
 	});
 
-	it.skip('99. DROP DATABASE', function (done) {
+	it('99. DROP DATABASE', function (done) {
 		alasql.options.modifier = undefined;
-		alasql('DROP DATABASE test355');
+		alasql('DROP DATABASE test356');
 		done();
 	});
 });