Capabilities for HANA

Last updated on May 04, 2021

Contents

This section lists the Capabilities of HVR when using 'HANA'. For more information about the pre-requisites, access privileges, and other configuration requirements, see Requirements for HANA.

Capture

HVR supports the following capabilities on HANA:

  • Capture changes from location (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Log-based capture (capture from DBMS logging system) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Capture from Archive log files only (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Log-based capture of tables without a primary key (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Direct access to logs on a file system (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Log-based capture of tables with LOB column (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Log-based capture from hidden rowid/RRN column (ColumnProperties /CaptureFromRowId) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Rewind log-based capture to specific time (Hvrinit option -i) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Online refresh using accurate LSN/SCN (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Multiple log-based capture jobs can capture from same database (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Read archives from an alternative directory (Capture /ArchiveLogPath) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).

HVR does not support the following capabilities on HANA:

  • Log-based capture of DDL statements using action AdaptDDL.
  • Access to logs using SQL interface.
  • Rewind log-based capture to the beginning of currently active oldest transaction.
  • Populates column hvr_cap_user for use in ColumnProperties {hvr_cap_user} substitutions.
  • Log-based capture of truncate table statements.
  • Capture from tables with basic compression.
  • Log-based capture checkpointing (action Capture /CheckpointingFrequency).
  • Hvrlogrelease to preserve journal/archives.
  • Trigger-based capture (action Capture /TriggerBased).

Hub Database

HVR does not support Hub database on HANA.

Integrate

HVR supports the following capabilities on HANA:

  • Integrate changes into location (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Integrate with /Burst (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Integrate with /BurstCommitFrequency (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Continuous integration (Integrate without /Burst) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Action Transform /SoftDelete (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Bulk load requires a staging area (LocationProperties /StagingDirectoryHvr) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Creation and update of HVR state tables (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).

HVR does not support the following capabilities on HANA:

  • Action TableProperties with /DuplicateRows for continuous integration.
  • Continuous Integrate with /OnErrorSaveFailed (without /Burst).
  • Disable/enable database triggers during Integrate (/NoTriggerFiring).
  • Integrate with /DbProc.

Bi-directional Replication

HVR supports the following capabilities on HANA:

  • Detection of changes made by HVR in a bidirectional channel to prevent loop-back (HANA from version 1.0 SPS 11 to version 2.0 SPS 04, state table needs to be created before replication starts).
  • CollisionDetect with /TimestampColumn (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).

HVR does not support the following capabilities on HANA:

Refresh and Compare

HVR supports the following capabilities on HANA:

  • Hvrrefresh or Hvrcompare from source location (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Hvrrefresh into target location (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Row-wise Hvrrefresh into target location (option -g) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).

Other Capabilities

HVR supports the following capabilities on HANA:

  • Call database procedure dbproc during replication jobs (action AgentPlugin /DbProc) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • International table and column names where DBMS is not configured with UTF-8 encoding (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).
  • Treat DBMS table names and columns case sensitive (action LocationProperties /CaseSensitiveNames) (HANA from version 1.0 SPS 11 to version 2.0 SPS 04, since HVR 5.6.5/1).
  • Distinguish and support capture from 'column store tables' (HANA from version 1.0 SPS 11 to version 2.0 SPS 04).

HVR does not support the following capabilities on HANA:

  • Use distribution key for parallelizing changes within a table (ColumnProperties /DistributionKey).
  • Lossless binary float datatypes. No dataloss when transporting float values (because base 2 fractions are never converted to base 10).
  • Distinguish and support capture from 'row store tables'.