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October 30, 2017

v0.16.0

  • Other bigquery changes:

    • JobIterator.Next returns *Job; removed JobInfo (BREAKING CHANGE).
    • UseStandardSQL is deprecated; set UseLegacySQL to true if you need Legacy SQL.
    • Uploader.Put will generate a random insert ID if you do not provide one.
    • Support time partitioning for load jobs.
    • Support dry-run queries.
    • A Job remembers its last retrieved status.
    • Support retrieving job configuration.
    • Support labels for jobs and tables.
    • Support dataset access lists.
    • Improve support for external data sources, including data from Bigtable and Google Sheets, and tables with external data.
    • Support updating a table's view configuration.
    • Fix uploading civil times with nanoseconds.

  • storage:

    • Support PubSub notifications.
    • Support Requester Pays buckets.

  • profiler: Support goroutine and mutex profile types.

October 3, 2017

v0.15.0

  • firestore: beta release. See the announcement.

  • errorreporting: The existing package has been redesigned.

  • errors: This package has been removed. Use errorreporting.

September 28, 2017

v0.14.0

  • bigquery BREAKING CHANGES:

    • Standard SQL is the default for queries and views.
    • Table.Create takes TableMetadata as a second argument, instead of options.
    • Dataset.Create takes DatasetMetadata as a second argument.
    • DatasetMetadata field ID renamed to FullID
    • TableMetadata field ID renamed to FullID

  • Other bigquery changes:

    • The client will append a random suffix to a provided job ID if you set AddJobIDSuffix to true in a job config.
    • Listing jobs is supported.
    • Better retry logic.

  • vision, language, speech: clients are now stable

  • monitoring: client is now beta

  • profiler:

    • Rename InstanceName to Instance, ZoneName to Zone
    • Auto-detect service name and version on AppEngine.

September 8, 2017

v0.13.0

  • bigquery: UseLegacySQL options for CreateTable and QueryConfig. Use these options to continue using Legacy SQL after the client switches its default to Standard SQL.

  • bigquery: Support for updating dataset labels.

  • bigquery: Set DatasetIterator.ProjectID to list datasets in a project other than the client's. DatasetsInProject is no longer needed and is deprecated.

  • bigtable: Fail ListInstances when any zones fail.

  • spanner: support decoding of slices of basic types (e.g. []string, []int64, etc.)

  • logging/logadmin: UpdateSink no longer creates a sink if it is missing (actually a change to the underlying service, not the client)

  • profiler: Service and ServiceVersion replace Target in Config.

August 22, 2017

v0.12.0

  • pubsub: Subscription.Receive now uses streaming pull.

  • pubsub: add Client.TopicInProject to access topics in a different project than the client.

  • errors: renamed errorreporting. The errors package will be removed shortly.

  • datastore: improved retry behavior.

  • bigquery: support updates to dataset metadata, with etags.

  • bigquery: add etag support to Table.Update (BREAKING: etag argument added).

  • bigquery: generate all job IDs on the client.

  • storage: support bucket lifecycle configurations.

July 31, 2017

v0.11.0

  • Clients for spanner, pubsub and video are now in beta.

  • New client for DLP.

  • spanner: performance and testing improvements.

  • storage: requester-pays buckets are supported.

  • storage, profiler, bigtable, bigquery: bug fixes and other minor improvements.

  • pubsub: bug fixes and other minor improvements

June 17, 2017

v0.10.0

  • pubsub: Subscription.ModifyPushConfig replaced with Subscription.Update.

  • pubsub: Subscription.Receive now runs concurrently for higher throughput.

  • vision: cloud.google.com/go/vision is deprecated. Use cloud.google.com/go/vision/apiv1 instead.

  • translation: now stable.

  • trace: several changes to the surface. See the link below.

Code changes required from v0.9.0.

March 17, 2017

Breaking Pubsub changes.

  • Publish is now asynchronous (announcement).
  • Subscription.Pull replaced by Subscription.Receive, which takes a callback (announcement).
  • Message.Done replaced with Message.Ack and Message.Nack.

February 14, 2017

Release of a client library for Spanner. See the blog post.

Note that although the Spanner service is beta, the Go client library is alpha.

December 12, 2016

Beta release of BigQuery, DataStore, Logging and Storage. See the blog post.

Also, BigQuery now supports structs. Read a row directly into a struct with RowIterator.Next, and upload a row directly from a struct with Uploader.Put. You can also use field tags. See the [package documentation][cloud-bigquery-ref] for details.

December 5, 2016

More changes to BigQuery:

  • The ValueList type was removed. It is no longer necessary. Instead of

    var v ValueList
... it.Next(&v) ..

    use

    var v []Value
... it.Next(&v) ...

  • Previously, repeatedly calling RowIterator.Next on the same []Value or ValueList would append to the slice. Now each call resets the size to zero first.

  • Schema inference will infer the SQL type BYTES for a struct field of type []byte. Previously it inferred STRING.

  • The types uint, uint64 and uintptr are no longer supported in schema inference. BigQuery's integer type is INT64, and those types may hold values that are not correctly represented in a 64-bit signed integer.

  • The SQL types DATE, TIME and DATETIME are now supported. They correspond to the Date, Time and DateTime types in the new cloud.google.com/go/civil package.

November 17, 2016

Change to BigQuery: values from INTEGER columns will now be returned as int64, not int. This will avoid errors arising from large values on 32-bit systems.

November 8, 2016

New datastore feature: datastore now encodes your nested Go structs as Entity values, instead of a flattened list of the embedded struct's fields. This means that you may now have twice-nested slices, eg.

type State struct {
  Cities  []struct{
    Populations []int
  }
}

See the announcement for more details.

November 8, 2016

Breaking changes to datastore: contexts no longer hold namespaces; instead you must set a key's namespace explicitly. Also, key functions have been changed and renamed.

  • The WithNamespace function has been removed. To specify a namespace in a Query, use the Query.Namespace method:

    q := datastore.NewQuery("Kind").Namespace("ns")

  • All the fields of Key are exported. That means you can construct any Key with a struct literal:

    k := &Key{Kind: "Kind",  ID: 37, Namespace: "ns"}

  • As a result of the above, the Key methods Kind, ID, d.Name, Parent, SetParent and Namespace have been removed.

  • NewIncompleteKey has been removed, replaced by IncompleteKey. Replace

    NewIncompleteKey(ctx, kind, parent)

    with

    IncompleteKey(kind, parent)

    and if you do use namespaces, make sure you set the namespace on the returned key.

  • NewKey has been removed, replaced by NameKey and IDKey. Replace

    NewKey(ctx, kind, name, 0, parent)
NewKey(ctx, kind, "", id, parent)

    with

    NameKey(kind, name, parent)
IDKey(kind, id, parent)

    and if you do use namespaces, make sure you set the namespace on the returned key.

  • The Done variable has been removed. Replace datastore.Done with iterator.Done, from the package google.golang.org/api/iterator.

  • The Client.Close method will have a return type of error. It will return the result of closing the underlying gRPC connection.

See the announcement for more details.

October 27, 2016

Breaking change to bigquery: NewGCSReference is now a function, not a method on Client.

New bigquery feature: Table.LoaderFrom now accepts a ReaderSource, enabling loading data into a table from a file or any io.Reader.

October 21, 2016

Breaking change to pubsub: removed pubsub.Done.

Use iterator.Done instead, where iterator is the package google.golang.org/api/iterator.

October 19, 2016

Breaking changes to cloud.google.com/go/bigquery:

  • Client.Table and Client.OpenTable have been removed. Replace

    client.OpenTable("project", "dataset", "table")

    with

    client.DatasetInProject("project", "dataset").Table("table")

  • Client.CreateTable has been removed. Replace

    client.CreateTable(ctx, "project", "dataset", "table")

    with

    client.DatasetInProject("project", "dataset").Table("table").Create(ctx)

  • Dataset.ListTables have been replaced with Dataset.Tables. Replace

    tables, err := ds.ListTables(ctx)

    with

    it := ds.Tables(ctx)
for {
    table, err := it.Next()
    if err == iterator.Done {
        break
    }
    if err != nil {
        // TODO: Handle error.
    }
    // TODO: use table.
}

  • Client.Read has been replaced with Job.Read, Table.Read and Query.Read. Replace

    it, err := client.Read(ctx, job)

    with

    it, err := job.Read(ctx)

    and similarly for reading from tables or queries.

  • The iterator returned from the Read methods is now named RowIterator. Its behavior is closer to the other iterators in these libraries. It no longer supports the Schema method; see the next item. Replace

    for it.Next(ctx) {
    var vals ValueList
    if err := it.Get(&vals); err != nil {
        // TODO: Handle error.
    }
    // TODO: use vals.
}
if err := it.Err(); err != nil {
    // TODO: Handle error.
}

    with

    for {
    var vals ValueList
    err := it.Next(&vals)
    if err == iterator.Done {
        break
    }
    if err != nil {
        // TODO: Handle error.
    }
    // TODO: use vals.
}

    Instead of the RecordsPerRequest(n) option, write

    it.PageInfo().MaxSize = n

    Instead of the StartIndex(i) option, write

    it.StartIndex = i

  • ValueLoader.Load now takes a Schema in addition to a slice of Values. Replace

    func (vl *myValueLoader) Load(v []bigquery.Value)

    with

    func (vl *myValueLoader) Load(v []bigquery.Value, s bigquery.Schema)

  • Table.Patch is replace by Table.Update. Replace

    p := table.Patch()
p.Description("new description")
metadata, err := p.Apply(ctx)

    with

    metadata, err := table.Update(ctx, bigquery.TableMetadataToUpdate{
    Description: "new description",
})

  • Client.Copy is replaced by separate methods for each of its four functions. All options have been replaced by struct fields.

    • To load data from Google Cloud Storage into a table, use Table.LoaderFrom.

      Replace

      client.Copy(ctx, table, gcsRef)

      with

      table.LoaderFrom(gcsRef).Run(ctx)

      Instead of passing options to Copy, set fields on the Loader:

      loader := table.LoaderFrom(gcsRef)
loader.WriteDisposition = bigquery.WriteTruncate

    • To extract data from a table into Google Cloud Storage, use Table.ExtractorTo. Set fields on the returned Extractor instead of passing options.

      Replace

      client.Copy(ctx, gcsRef, table)

      with

      table.ExtractorTo(gcsRef).Run(ctx)

    • To copy data into a table from one or more other tables, use Table.CopierFrom. Set fields on the returned Copier instead of passing options.

      Replace

      client.Copy(ctx, dstTable, srcTable)

      with

      dst.Table.CopierFrom(srcTable).Run(ctx)

    • To start a query job, create a Query and call its Run method. Set fields on the query instead of passing options.

      Replace

      client.Copy(ctx, table, query)

      with

      query.Run(ctx)

  • Table.NewUploader has been renamed to Table.Uploader. Instead of options, configure an Uploader by setting its fields. Replace

    u := table.NewUploader(bigquery.UploadIgnoreUnknownValues())

    with

    u := table.NewUploader(bigquery.UploadIgnoreUnknownValues())
u.IgnoreUnknownValues = true

October 10, 2016

Breaking changes to cloud.google.com/go/storage:

  • AdminClient replaced by methods on Client. Replace

    adminClient.CreateBucket(ctx, bucketName, attrs)

    with

    client.Bucket(bucketName).Create(ctx, projectID, attrs)

  • BucketHandle.List replaced by BucketHandle.Objects. Replace

    for query != nil {
    objs, err := bucket.List(d.ctx, query)
    if err != nil { ... }
    query = objs.Next
    for _, obj := range objs.Results {
        fmt.Println(obj)
    }
}

    with

    iter := bucket.Objects(d.ctx, query)
for {
    obj, err := iter.Next()
    if err == iterator.Done {
        break
    }
    if err != nil { ... }
    fmt.Println(obj)
}

    (The iterator package is at google.golang.org/api/iterator.)

    Replace Query.Cursor with ObjectIterator.PageInfo().Token.

    Replace Query.MaxResults with ObjectIterator.PageInfo().MaxSize.

  • ObjectHandle.CopyTo replaced by ObjectHandle.CopierFrom. Replace

    attrs, err := src.CopyTo(ctx, dst, nil)

    with

    attrs, err := dst.CopierFrom(src).Run(ctx)

    Replace

    attrs, err := src.CopyTo(ctx, dst, &storage.ObjectAttrs{ContextType: "text/html"})

    with

    c := dst.CopierFrom(src)
c.ContextType = "text/html"
attrs, err := c.Run(ctx)

  • ObjectHandle.ComposeFrom replaced by ObjectHandle.ComposerFrom. Replace

    attrs, err := dst.ComposeFrom(ctx, []*storage.ObjectHandle{src1, src2}, nil)

    with

    attrs, err := dst.ComposerFrom(src1, src2).Run(ctx)

  • ObjectHandle.Update's ObjectAttrs argument replaced by ObjectAttrsToUpdate. Replace

    attrs, err := obj.Update(ctx, &storage.ObjectAttrs{ContextType: "text/html"})

    with

    attrs, err := obj.Update(ctx, storage.ObjectAttrsToUpdate{ContextType: "text/html"})

  • ObjectHandle.WithConditions replaced by ObjectHandle.If. Replace

    obj.WithConditions(storage.Generation(gen), storage.IfMetaGenerationMatch(mgen))

    with

    obj.Generation(gen).If(storage.Conditions{MetagenerationMatch: mgen})

    Replace

    obj.WithConditions(storage.IfGenerationMatch(0))

    with

    obj.If(storage.Conditions{DoesNotExist: true})

  • storage.Done replaced by iterator.Done (from package google.golang.org/api/iterator).

October 6, 2016

Package preview/logging deleted. Use logging instead.

September 27, 2016

Logging client replaced with preview version (see below).

September 8, 2016

  • New clients for some of Google's Machine Learning APIs: Vision, Speech, and Natural Language.

  • Preview version of a new [Stackdriver Logging][cloud-logging] client in cloud.google.com/go/preview/logging. This client uses gRPC as its transport layer, and supports log reading, sinks and metrics. It will replace the current client at cloud.google.com/go/logging shortly.