Entities are limited to 1MB, so a text property is implicitly limited too. The limit will be something under 1MB to account for the metadata's overhead. http://code.google.com/appengine/docs/java/datastore/overview.html#Quotas_and_Limits
Robert On Sat, Jan 8, 2011 at 00:09, A. Stevko <[email protected]> wrote: > I can't say for sure but I believe I've stored more than 1 MB into a Text > data member. > According to the javadoc Text types are not limited to the 1MB max Entity > size limit. >> >> Text wraps around a string of unlimited size. Ordinary Java strings stored >> as properties in Entity objects are limited to 500 characters. >> However, Text objects can also be stored in properties, and are unlimited in >> size. However, they will not be indexed for query purposes. > > > > On Fri, Jan 7, 2011 at 8:05 PM, 风笑雪 <[email protected]> wrote: >> >> Hi Nicky, >> The max size of an entity is 1MB, so all of its properties cannot exceed >> 1000000 bytes. >> >> ---------- >> keakon >> My blog(Chinese): www.keakon.net >> Blog source code: https://bitbucket.org/keakon/doodle/ >> >> >> On Sat, Jan 8, 2011 at 6:13 AM, Nicky <[email protected]> wrote: >>> >>> It seems that the Text property is limited to 1000000 characters. I can't >>> find this in the documentation but I hit this exception below. Can anyone >>> confirm this? >>> >>> Caused by: java.lang.IllegalArgumentException: string property contents >>> is too long. It cannot exceed 1000000 characters. >>> at >>> com.google.appengine.api.datastore.DatastoreApiHelper.translateError(DatastoreApiHelper.java:36) >>> at >>> com.google.appengine.api.datastore.DatastoreApiHelper$1.convertException(DatastoreApiHelper.java:98) >>> at >>> com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:69) >>> at >>> com.google.appengine.api.datastore.FutureHelper$CumulativeAggregateFuture.get(FutureHelper.java:136) >>> at >>> com.google.appengine.api.datastore.FutureHelper.getInternal(FutureHelper.java:71) >>> at >>> com.google.appengine.api.datastore.FutureHelper.quietGet(FutureHelper.java:32) >>> at >>> com.google.appengine.api.datastore.DatastoreServiceImpl$2.runInternal(DatastoreServiceImpl.java:113) >>> at >>> com.google.appengine.api.datastore.DatastoreServiceImpl$2.runInternal(DatastoreServiceImpl.java:110) >>> at >>> com.google.appengine.api.datastore.TransactionRunner.runInTransaction(TransactionRunner.java:31) >>> at >>> com.google.appengine.api.datastore.DatastoreServiceImpl.put(DatastoreServiceImpl.java:110) >>> at >>> com.google.appengine.api.datastore.DatastoreServiceImpl.put(DatastoreServiceImpl.java:94) >>> <continued in next message> >>> >>> E01-07 02:00PM 13.585 >>> >>> <continued from previous message> >>> at >>> org.datanucleus.store.appengine.RuntimeExceptionWrappingDatastoreService.put(RuntimeExceptionWrappingDatastoreService.java:93) >>> at >>> org.datanucleus.store.appengine.DatastorePersistenceHandler.put(DatastorePersistenceHandler.java:180) >>> at >>> org.datanucleus.store.appengine.DatastorePersistenceHandler.put(DatastorePersistenceHandler.java:139) >>> at >>> org.datanucleus.store.appengine.DatastorePersistenceHandler.put(DatastorePersistenceHandler.java:134) >>> at >>> org.datanucleus.store.appengine.DatastorePersistenceHandler.updateObject(DatastorePersistenceHandler.java:536) >>> at >>> org.datanucleus.state.JDOStateManagerImpl.flush(JDOStateManagerImpl.java:4576) >>> at >>> org.datanucleus.ObjectManagerImpl.flushInternal(ObjectManagerImpl.java:2814) >>> at org.datanucleus.ObjectManagerImpl.flush(ObjectManagerImpl.java:2754) >>> at >>> org.datanucleus.ObjectManagerImpl.preCommit(ObjectManagerImpl.java:2893) >>> at >>> org.datanucleus.TransactionImpl.internalPreCommit(TransactionImpl.java:369) >>> at org.datanucleus.TransactionImpl.commit(TransactionImpl.java:256) >>> at org.datanucleus.ObjectManagerImpl.close(ObjectManagerImpl.java:801) >>> at >>> org.datanucleus.jdo.JDOPersistenceManager.close(JDOPersistenceManager.java:271) >>> ... 39 more >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Google App Engine" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/google-appengine?hl=en. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. > > > > -- > -- A. Stevko > =========== > "If everything seems under control, you're just not going fast enough." M. > Andretti > > > > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
