master
Fix union operator
Add an expected error on usage of the chr() routine. According to PG15 commit e9e63b7, chr() in next release will return an error on negative input. Be prepared to that change.
Address various new PMD issues
Enforce the checkstyle FinalClass rule
[Postgres] Implement the expected value visitor for LIKE
Add support for access methods
Add '--extensions' option. Allow to perform a sqlancer test with an relocatable extension installed.
Add Citus 10.1 support
Delete unused methods