App Engine Update Data Store Graphics

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App Engine Update Data Store Graphics

Vinny P When you say it works a 'little fast' - can you expand upon that? Do you mean it works faster than it should, or that you suspect something is wrong? Bertolt Brecht Majka Courage I Njezina Djeca Pdf Creator more. What is the time difference between operations 1 and 2, and do they both store the data needed for your application?

App Engine Update Data Store Graphics

----------------- -Vinny P Technology & Media Advisor Chicago, IL App Engine Code Samples: -- You received this message because you are subscribed to the Google Groups 'Google App Engine' group. To at Jan 30, 2014 at 8:27 pm. On Wed, Jan 29, 2014 at 11:09 AM, Pravanjan Niranjan wrote: Fell like doing two step but does work little fast. Sometime can't say. My question here is is there any difference between option 1 and option 2 if not what is the appropriate solution for making it fast. When you say it works a 'little fast' - can you expand upon that?

Do you mean it works faster than it should, or that you suspect something is wrong? What is the time difference between operations 1 and 2, and do they both store the data needed for your application? ----------------- -Vinny P Technology & Media Advisor Chicago, IL App Engine Code Samples. Pravanjan Niranjan Hi Vinny, Thanks for reply. In my observation sometime option 1 takes 5 to 6 second to update the entity but at the same time option 2 works in less than one second. We have jdo which has ten thousand record and every time both option update same data.

How to use the update query in google app engine while using with gwt. I'm trying to make a chat application where apart from submitting and deleting the previous.

Just wanted to know what is the difference between both option. Thanks, Pravanjan -- Thanks, Pravanjan Dev *formcreator * -- You received this message because you are subscribed to the Google Groups 'Google App Engine' group. To unsubscribe. My question here is is there any difference between option 1 and option 2 if not what is the appropriate solution for making it fast.

When you say it works a 'little fast' - can you expand upon that? Do you mean it works faster than it should, or that you suspect something is wrong? What is the time difference between operations 1 and 2, and do they both store the data needed for your application?

----------------- -Vinny P Technology & Media Advisor Chicago, IL App Engine Code Samples: -- You received this message because you are subscribed to the Google Groups 'Google App Engine' group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscribe@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com.

Visit this group at For more options, visit -- Thanks, Pravanjan Dev *formcreator * -- You received this message because you are subscribed to the Google Groups 'Google App Engine' group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscribe@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at For more options, visit.

GAE datastore Refer to this official “” to understand what is GAE datastore. See following code snippets to perform CRUD for Google App Engine datastore, Java, using low-level API. Add Store a customer into datastore, with “name” as the key.

Key customerKey = KeyFactory.createKey('Customer', 'your name'); Entity customer = new Entity('Customer', customerKey); customer.setProperty('name', 'your name'); customer.setProperty('email', 'your email'); DatastoreService datastore = DatastoreServiceFactory.getDatastoreService(); datastore.put(customer); //save it Search Return 10 customers as a List. DatastoreService datastore = DatastoreServiceFactory.getDatastoreService(); Query query = new Query('Customer').addSort('date', Query.SortDirection.DESCENDING); List customers = datastore.prepare(query).asList(FetchOptions.Builder.withLimit(10)); Find and returned a customer with matched filter. Query query = new Query('Customer'); query.addFilter('name', FilterOperator.EQUAL, 'your name'); PreparedQuery pq = datastore.prepare(query); Entity customer = pq.asSingleEntity().

Update To update, just modify the existing Entity and save it again. Query query = new Query('Customer'); query.addFilter('name', FilterOperator.EQUAL, 'your name'); PreparedQuery pq = datastore.prepare(query); Entity customer = pq.asSingleEntity(); customer.setProperty('name', name); customer.setProperty('email', email); DatastoreService datastore = DatastoreServiceFactory.getDatastoreService(); datastore.put(customer); //GAE will know save or update Delete To delete, need the entity key. Query query = new Query('Customer'); query.addFilter('name', FilterOperator.EQUAL, name); PreparedQuery pq = datastore.prepare(query); Entity customer = pq.asSingleEntity(); DatastoreService datastore = DatastoreServiceFactory.getDatastoreService(); datastore.delete(customer.getKey()); //delete it GAE + Spring MVC + CRUD example Ok, now we will show you a simple web application developed using Spring MVC in REST style, manipulate data in Google App Engine datastore, using low-level APIs above. • Google App Engine Java SDK 1.6.3.1 • Spring 3.1.1 • JDK 1.6 • Eclipse 3.7 + Google Plugin for Eclipse.

Hi i am getting below error after putting all spring jars in class path mentioned by you.