Dataflow Templates 2022-05-16-00_RC00

Release Week of 2022-05-16

Improvements

[SpannerChangeStreamsToGcs] Update Spanner to GCS template to include Spanner metadata table parameter
[Spanner templates] Support for Automatic Dialect Detection
[Spanner templates] Support Spanner's PG interface
[Spanner templates] Support for Cloud Spanner Check Constraints, Views and Foreign Keys in PostgreSQL Interface
[Spanner templates] Support change streams in Cloud Spanner Import/Export pipelines
[All Elastic search templates] Add support for Elasticsearch 8
[Documentation] Add instructions for using Maven

Bug Fixes

[Datastream to SQL] clean empty or empty string numeric data to null for all numeric JDBC data types
[All BigQuery templates] JSON to table row exceptions handling fix

Contributors

Cherepushko
@dhercher
@pranavbhandari24
@zhoufek