Commit iniziale

node_modules/tedious/benchmarks/query/select-varbinary.js

@@ -0,0 +1,50 @@
+const { createBenchmark, createConnection } = require('../common');
+
+const { Request, TYPES } = require('tedious');
+
+const bench = createBenchmark(main, {
+  n: [10, 100],
+  size: [10, 100, 1000, 10000, 1024 * 1024, 10 * 1024 * 1024]
+});
+
+function main({ n, size }) {
+  createConnection(function(connection) {
+    const request = new Request('CREATE TABLE #benchmark ([value] varbinary(max))', (err) => {
+      if (err) {
+        throw err;
+      }
+
+      var request = new Request('INSERT INTO #benchmark ([value]) VALUES (@value)', (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);
+        })();
+      });
+
+      const value = Buffer.alloc(size, 'a');
+      request.addParameter('value', TYPES.VarBinary, value);
+      connection.execSql(request);
+    });
+
+    connection.execSqlBatch(request);
+  });
+}