Igor Nikonov

SortingStep: deduce way to sort based on input stream sort description

8

### Changelog category (leave one): - Performance Improvement ### Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md): Deduce way to sort based on input stream...

### Changelog category (leave one): - Not for changelog (changelog entry is not required)

Reading in order for DISTINCT without ORDER BY

4

### Changelog category (leave one): - Performance Improvement ### Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md): DISTINCT in order optimization leverage sorting properties of...

Frontend failed with exit code 139

2

Report: ```console fatal error: too many errors emitted, stopping now [-ferror-limit=] PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. Stack...

Cleanup: less confusion around priority property for connection pool

1

Function/variable names were creating confusion between config priority and balancing priority ### Changelog category (leave one): - Not for changelog (changelog entry is not required)

Fix: absence of closing record in query_log for failed insert over http

1

#59858 fixed calling empty std::function during handling query exception. This PR fixes the absence of closing record in `query_log` for the query in case of fixed by #59858 (specific to...

Debugging flaky custom key failover

1

### Changelog category (leave one): - Not for changelog (changelog entry is not required)

selectRangesToRead() simple cleanup

1

### Changelog category (leave one): - Not for changelog (changelog entry is not required) > Information about CI checks: https://clickhouse.com/docs/en/development/continuous-integration/ Modify your CI run **NOTE:** If your merge the PR...

Parallel replicas: simple cleanup

2

### Changelog category (leave one): - Not for changelog (changelog entry is not required)

Rewrite plan for parallel replicas in Planner

1

### Changelog category (leave one): - Not for changelog (changelog entry is not required) > Information about CI checks: https://clickhouse.com/docs/en/development/continuous-integration/ Modify your CI run **NOTE:** If your merge the PR...