Reflected changes in the Greengage DB 6.31.0 release dated 29.05.2026:
In the Install Greengage DB from a package article, described installation from the APT repository.
Described the ability to alter resource groups in transactions:
Described the new configuration parameter gp_resource_group_enable_alter_in_transaction.
Added the Alter resource groups in transactions section to the Use resource groups article.
Described changes in the automatic statistics collection process:
In the Server configuration parameters (GUCs) article:
Added the new configuration parameter gp_autostats_on_change_ratio_threshold.
Actualized the following parameters:
Actualized the Automatic statistics collection section in the Collect statistics via ANALYZE article.
Added new articles:
Examples of integration with Hadoop:
Use PXF HDFS connector to read and write Parquet-format data between Greengage DB and HDFS
Use PXF HDFS connector to read and write ORC-format data between Greengage DB and HDFS
Use PXF HDFS connector to read and write SequenceFile data between Greengage DB and HDFS
Use PXF HDFS connector to read multiline text from HDFS into a single table row in Greengage DB
Use PXF HDFS connector to read and write fixed-width text between HDFS and Greengage DB
Use PXF HBase connector to read table data from HBase to Greengage DB
Use PXF Hive connector to read table data from Hive to Greengage DB
Use PXF object store connectors to read and write text data between Greengage DB and S3
Added the Limitations section to the Partitioning article.
Mentioned that support for CentOS and RHEL is discontinued starting with Greengage DB 6.30.1 (in Software requirements for Greengage DB installation and other articles that contain usage examples for these operating systems).