Version 2025.1.9 Release Notes
Release date: 2026-02-18
This list provides an overview of all changes in version 2025.1.9.
Download version 2025.1.9 from the Exasol Download Portal.
Changed behavior
| Changelog entry | Changed behavior |
|---|---|
| 27974 | The command line parameter -tracecbo is no longer available. |
| 26978 | The greedy algorithm in the standard cost based optimizer has a step count limit now. In some rare circumstances it is possible that this leads to join orders that have a higher execution time. |
| 23088 | The following is relevant for users of: IMPORT ... FROM ORA ..., and/or EXPORT ... INTO ORA .... Exasol has been updated to support the newer Oracle Instant Client version 23.9.0.25.07. The previously supported version was 23.5.0.24.07. The Oracle Instant Client needs to be updated to version 23.9.0.25.07 (the respective .zip file needs to be uploaded). Existing installations (having instant client < 23.9.0.25.07) may not work anymore. Caution: This update may break compatibility with older Oracle databases. Please see Oracle's documentation and/or compatibility matrices for details. For more information and downloads, please see the following. https://www.oracle.com/database/technologies/instant-client.html |
New features
| Changelog entry | Summary |
|---|---|
| 28781 | Remote Server Support for Parquet Imports (HTTP/HTTPS, FTP/FTPS, SFTP) |
| 28704 | Parquet files can now be imported from S3-compatible storage. |
| 27990 | Add query prefix to switch optimizers |
| 27974 | Set full CBO debug output in a session |
Improvements
| Changelog entry | Summary |
|---|---|
| 28564 | "SELECT INVALID UNIQUE / PRIMARY KEY / FOREIGN KEY" now allow a LIMIT clause |
| 27901 | During extremely high load the cluster may become unstable |
| 27895 | Commit-time block checking limited to blocks in RAM |
| 27805 | Remove duplicate lines from LDAP library from log |
| 23088 | Support for Oracle Instant Client 23.9.0.25.07 |
| 22384 | Multiple node restarts boot-up faster. |
Bug fixes
| Changelog entry | Summary |
|---|---|
| 28924 | Exasol installation overwrites sudo configuration |
| 28572 | Fix Internal Error when importing UDF scripts in another UDF script. |
| 28323 | Do not perform unnecessary transcation rollbacks on client disconnects |
| 28122 | Querying EXA_DB_SNAPSHOTS table on the worker cluster causes PddServer to crash which leads to DB restart |
| 28060 | Increasing disk redundancy chokes cored protocol |
| 27893 | Reduce the volume of messages processed by the logging system |
| 27852 | Client connections may disconnect after a longer period of inactivity |
| 27051 | A leak in shared memory can lead to failed snapshot backup operations and unsuccessful database restarts. |
| 27000 | Session may perform successful reconnect while still connected to another node |
| 26978 | Limit the greedy optimizer with a step count |
| 26866 | Expressions combining analytic functions and scalar subqueries cause errors |
| 26589 | The exasol-admin-ui service doesn't start when upgrading from v.8.26 |
| 26084 | Node Startup Failure |
| 24869 | Installation works if group name does not match user name |
| 24037 | Failure to start nodes after scaling via the ConfD job "infra_db_scale" leaves an inconsistent state |
| 23957 | Use of DISTINCT with SET EMITS script causes Internal Server Error |
| 23104 | Internal Server Error in SESSION_PARAMETER |
| 22923 | Exasol support archives are missing logs for the interval end date |
| 21791 | Invalid usage of tables in PRIOR and CONNECT BY causes Internal Server Error |
| 16281 | Improved failsafety mechanism |
