https://www.mirrorservice.org/sites/ftp.ibiblio.org/pub/docs/books/gutenberg/2/3/7/9/23791/
Index of /sites/ftp.ibiblio.org/pub/docs/books/gutenberg/2/3/7/9/23791
https://jira.mariadb.org/browse/MDEV-23791?workflowName=MariaDB+v4&stepId=6
[MDEV-23791] Segregate some of optimizer rewrites into separate functions - Jira
some ofmdevsegregate