Commit iniziale

node_modules/tedious/benchmarks/query/select-many-rows.js

@@ -0,0 +1,63 @@
+const { createBenchmark, createConnection } = require('../common');
+
+const { Request, TYPES } = require('tedious');
+
+const bench = createBenchmark(main, {
+  n: [10, 100, 1000],
+  size: [10, 100, 1000, 10000]
+});
+
+function main({ n, size }) {
+  createConnection(function(connection) {
+    const request = new Request('CREATE TABLE #benchmark ([id] int IDENTITY(1,1), [name] nvarchar(100), [description] nvarchar(max))', (err) => {
+      if (err) {
+        throw err;
+      }
+
+      (function insertNext(num, done) {
+        var request = new Request('INSERT INTO #benchmark ([name], [description]) VALUES (@name, @description)', (err) => {
+          if (err) {
+            throw err;
+          }
+
+          if (num === size) {
+            done();
+          } else {
+            insertNext(num + 1, done);
+          }
+        });
+
+        request.addParameter('name', TYPES.NVarChar, 'Row ' + n);
+        request.addParameter('description', TYPES.NVarChar, 'Example Test Description for Row ' + n);
+
+        connection.execSql(request);
+      })(0, (err) => {
+        let i = 0;
+
+        bench.start();
+
+        (function cb() {
+          const request = new Request('SELECT * FROM #benchmark', (err) => {
+            if (err) {
+              throw err;
+            }
+
+            if (i++ === n) {
+              bench.end(n);
+
+              connection.close();
+
+              return;
+            }
+
+            cb();
+          });
+
+          connection.execSql(request);
+        })();
+      });
+    });
+
+    connection.execSqlBatch(request);
+  });
+}