104 lines
3.5 KiB
HTML
104 lines
3.5 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<title>Pseudo-random transactions</title>
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<script src="../head.js"></script>
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<script src="../common.js"></script>
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<script>
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var SELECT_STATEMENT_IN_READ_TRANSACTION = 0;
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var SELECT_STATEMENT_IN_TRANSACTION = 1;
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var INSERT_STATEMENT = 2;
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var UPDATE_STATEMENT = 3;
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var DELETE_STATEMENT = 4;
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var STATEMENTS =
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[2, 0, 4, 2, 2, 2, 2, 2, 1, 4, 1, 1, 0, 2, 0, 0, 2, 1, 2, 0,
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4, 4, 2, 3, 3, 4, 3, 1, 3, 3, 2, 4, 3, 3, 2, 3, 1, 1, 4, 2,
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4, 1, 4, 2, 3, 0, 4, 2, 4, 0, 4, 3, 3, 2, 0, 2, 1, 4, 4, 4,
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4, 2, 3, 2, 0, 3, 3, 0, 4, 4, 4, 2, 3, 1, 4, 2, 4, 2, 3, 0,
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2, 4, 0, 4, 2, 2, 4, 0, 3, 2, 3, 2, 3, 2, 0, 0, 4, 0, 2, 0];
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var transactionsCompleted = 0;
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var startTime = 0;
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function statementSuccessCallback(tx, data) {}
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function statementErrorCallback(tx, error) {}
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function transactionSuccessCallback() {
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if (++transactionsCompleted == TRANSACTIONS)
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testComplete(Date.now() - startTime);
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}
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function transactionErrorCallback(error) {
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testComplete(TEST_FAILED);
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}
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function customRunTransactions(db) {
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var selectIDCounter = 0;
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var insertIDCounter = 0;
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var updateIDCounter = 0;
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var deleteIDCounter = 0;
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var randomString = getRandomString();
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var randomStringForUpdates = getRandomString();
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startTime = Date.now();
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for (var i = 0; i < TRANSACTIONS; i++) {
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switch (STATEMENTS[i % STATEMENTS.length]) {
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case SELECT_STATEMENT_IN_READ_TRANSACTION:
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db.readTransaction(
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function(tx) {
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tx.executeSql('SELECT * FROM Test WHERE ID = ?',
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[selectIDCounter++],
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statementSuccessCallback, statementErrorCallback);
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}, transactionErrorCallback, transactionSuccessCallback);
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break;
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case SELECT_STATEMENT_IN_TRANSACTION:
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db.transaction(
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function(tx) {
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tx.executeSql('SELECT * FROM Test WHERE ID = ?',
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[selectIDCounter++],
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statementSuccessCallback, statementErrorCallback);
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}, transactionErrorCallback, transactionSuccessCallback);
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break;
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case INSERT_STATEMENT:
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db.transaction(
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function(tx) {
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tx.executeSql('INSERT INTO Test VALUES (?, ?)',
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[insertIDCounter++, randomString],
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statementSuccessCallback, statementErrorCallback);
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}, transactionErrorCallback, transactionSuccessCallback);
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break;
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case UPDATE_STATEMENT:
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db.transaction(
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function(tx) {
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tx.executeSql('UPDATE Test SET Foo = ? WHERE ID = ?',
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[randomStringForUpdates, updateIDCounter++],
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statementSuccessCallback, statementErrorCallback);
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}, transactionErrorCallback, transactionSuccessCallback);
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break;
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case DELETE_STATEMENT:
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db.transaction(
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function(tx) {
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tx.executeSql('DELETE FROM Test WHERE ID = ?',
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[deleteIDCounter++],
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statementSuccessCallback, statementErrorCallback);
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}, transactionErrorCallback, transactionSuccessCallback);
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break;
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default:
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testComplete(TEST_FAILED);
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return;
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}
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}
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}
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</script>
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<body>
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<script>
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runPerformanceTest({
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dbName: "PseudoRandomTransactions",
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readOnly: false,
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insertRowsAtSetup: true,
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transactionCallback: null,
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customRunTransactions: customRunTransactions
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});
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</script>
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</body>
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</html>
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