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CHANGELOG.md

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Change Log

Version 0.7.0 (2016-07-06)

  • New: Allow mapTo* mappers to return null values. This is useful when querying on a single, nullable column for which null is a valid value.
  • Fix: When mapToOne does not emit a value downstream, request another value from upstream to ensure fixed-item requests (such as take(1)) as properly honored.
  • Fix: Add logging to synchronous execute methods.

Version 0.6.3 (2016-04-13)

  • QueryObservable constructor is now public allow instances to be created for tests.

Version 0.6.2 (2016-03-01)

  • Fix: Document explicitly and correctly handle the fact that Query.run() can return null in some situations. The mapToOne, mapToOneOrDefault, mapToList, and asRows helpers have all been updated to handle this case and each is documented with their respective behavior.

Version 0.6.1 (2016-02-29)

  • Fix: Apply backpressure strategy between database/content provider and the supplied Scheduler. This guards against backpressure exceptions when the scheduler is unable to keep up with the rate at which queries are being triggered.
  • Fix: Indent the subsequent lines of a multi-line queries when logging.

Version 0.6.0 (2016-02-17)

  • New: Require a Scheduler when wrapping a database or content provider which will be used when sending query triggers. This allows the query to be run in subsequent operators without needing an additional observeOn. It also eliminates the need to use subscribeOn since the supplied Scheduler will be used for all emissions (similar to RxJava's timer, interval, etc.).

    This also corrects a potential violation of the RxJava contract and potential source of bugs in that all triggers will occur on the supplied Scheduler. Previously the initial value would trigger synchronously (on the subscribing thread) while subsequent ones trigger on the thread which performed the transaction. The new behavior puts the initial trigger on the same thread as all subsequent triggers and also does not force transactions to block while sending triggers.

Version 0.5.1 (2016-02-03)

  • New: Query logs now contain timing information on how long they took to execute. This only covers the time until a Cursor was made available, not object mapping or delivering to subscribers.
  • Fix: Switch query logging to happen when Query.run is called, not when a query is triggered.
  • Fix: Check for subscribing inside a transaction using a more accurate primitive.

Version 0.5.0 (2015-12-09)

  • New: Expose mapToOne, mapToOneOrDefault, and mapToList as static methods on Query. These mirror the behavior of the methods of the same name on QueryObservable but can be used later in a stream by passing the returned Operator instances to lift() (e.g., take(1).lift(Query.mapToOne(..))).
  • Requires RxJava 1.1.0 or newer.

Version 0.4.1 (2015-10-19)

  • New: execute method provides the ability to execute arbitrary SQL statements.
  • New: executeAndTrigger method provides the ability to execute arbitrary SQL statements and notifying any queries to update on the specified table.
  • Fix: Query.asRows no longer calls onCompleted when the downstream subscriber has unsubscribed.

Version 0.4.0 (2015-09-22)

  • New: mapToOneOrDefault replaces mapToOneOrNull for more flexibility.
  • Fix: Notifications of table updates as the result of a transaction now occur after the transaction has been applied. Previous the notification would happen during the commit at which time it was invalid to create a new transaction in a subscriber.

Version 0.3.1 (2015-09-02)

  • New: mapToOne and mapToOneOrNull operators on QueryObservable. These work on queries which return 0 or 1 rows and are a convenience for turning them into a type T given a mapper of type Func1<Cursor, T> (the same which can be used for mapToList).
  • Fix: Remove @WorkerThread annotations for now. Various combinations of lint, RxJava, and retrolambda can cause false-positives.

Version 0.3.0 (2015-08-31)

  • Transactions are now exposed as objects instead of methods. Call newTransaction() to start a transaction. On the Transaction instance, call markSuccessful() to indicate success and end() to commit or rollback the transaction. The Transaction instance implements Closeable to allow its use in a try-with-resources construct. See the newTransaction() Javadoc for more information.
  • Query instances can now be turned directly into an Observable<T> by calling asRows with a Func1<Cursor, T> that maps rows to a type T. This allows easy filtering and limiting in memory rather than in the query. See the asRows Javadoc for more information.
  • createQuery now returns a QueryObservable which offers a mapToList operator. This operator also takes a Func1<Cursor, T> for mapping rows to a type T, but instead of individual rows it collects all the rows into a list. For large query results or frequently updated tables this can create a lot of objects. See the mapToList Javadoc for more information.
  • New: Nullability, @CheckResult, and @WorkerThread annotations on all APIs allow a more useful interaction with lint in consuming projects.

Version 0.2.1 (2015-07-14)

  • Fix: Add support for backpressure.

Version 0.2.0 (2015-06-30)

  • An Observable<Query> can now be created from wrapping a ContentResolver in order to observe queries from another app's content provider.
  • SqlBrite class is now a factory for both a BriteDatabase (the SQLiteOpenHelper wrapper) and BriteContentResolver (the ContentResolver wrapper).

Version 0.1.0 (2015-02-21)

Initial release.