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node_modules/tedious/benchmarks/request/rpcrequest-payload-tvp.js

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+const { createBenchmark } = require('../common');
+
+const { Request, TYPES } = require('tedious');
+const RpcRequestPayload = require('tedious/lib/rpcrequest-payload');
+
+const { Readable } = require('stream');
+
+const bench = createBenchmark(main, {
+  n: [10, 100],
+  size: [10, 100, 1000, 10000]
+});
+
+function main({ n, size }) {
+  var table = {
+    columns: [
+      { name: 'user_id', type: TYPES.Int },
+      { name: 'user_name', type: TYPES.VarChar, length: 500 },
+      { name: 'user_enabled', type: TYPES.Bit }
+    ],
+    rows: []
+  };
+
+  for (let j = 0; j < size; j++) {
+    table.rows.push([15, 'Eric', true]);
+  }
+
+  const request = new Request('...', () => {});
+  request.addParameter('value', TYPES.TVP, table);
+  request.validateParameters();
+
+  let i = 0;
+  bench.start();
+
+  (function cb() {
+    if (i++ === n) {
+      bench.end(n);
+      return;
+    }
+
+    const payload = new RpcRequestPayload(request.sqlTextOrProcedure, request.parameters, Buffer.alloc(0), {}, undefined);
+    const stream = Readable.from(payload);
+    stream.on('data', () => {});
+    stream.on('end', cb);
+  })();
+}

node_modules/tedious/benchmarks/request/rpcrequest-payload-varbinary.js

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+const { createBenchmark } = require('../common');
+
+const { Request, TYPES } = require('tedious');
+const RpcRequestPayload = require('tedious/lib/rpcrequest-payload');
+
+const { Readable } = require('stream');
+
+const bench = createBenchmark(main, {
+  n: [10, 100],
+  size: [
+    1024 * 1024,
+    10 * 1024 * 1024,
+    50 * 1024 * 1024,
+  ]
+});
+
+function main({ n, size }) {
+  const buf = Buffer.alloc(size, 'x');
+
+  const request = new Request('...', () => {});
+  request.addParameter('value', TYPES.VarBinary, buf);
+
+  let i = 0;
+  bench.start();
+
+  (function cb() {
+    if (i++ === n) {
+      bench.end(n);
+      return;
+    }
+
+    const payload = new RpcRequestPayload(request.sqlTextOrProcedure, request.parameters, Buffer.alloc(0), {}, undefined);
+    const stream = Readable.from(payload);
+    stream.on('data', () => {});
+    stream.on('end', cb);
+  })();
+}