Release 2.15.2

[pallavisontakke]

This release contains performance improvements and bug fixes since the 2.15.1 release. Best practice is to upgrade at the next available opportunity.

Bugfixes

• 6975: Fix sort pushdown for partially compressed chunks.

• 6976: Fix removal of metadata function and the update script.

• 6978: Fix segfault in compress_chunk with primary space partition.

• 6993: Disallow hash partitioning on the primary column.

Thanks

• @gugu for reporting the issue with catalog corruption due to update.
• @srieding for reporting the issue with partially compressed chunks and ordering on joined columns.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Please upload report for BASE (2.15.x@9812a45). Learn more about missing BASE report.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 2.15.x #7014 +/- ## ========================================= Coverage ? 81.01% ========================================= Files ? 198 Lines ? 37322 Branches ? 9737 ========================================= Hits ? 30238 Misses ? 3181 Partials ? 3903 ```

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