Tiago K

ICU noaccent collation

7

This PR adds the ICU noaccent collation that is based on [PostgreSQL **ignore_accents** collation](https://www.postgresql.org/docs/current/collation.html#COLLATION-NONDETERMINISTIC). It's useful to address issues related to ordering of some diacritical letters such as **æ, Æ**...

Hi all, This PR adds the support for collations in the UNION operator. For example, it fixes queries like: `SELECT 'A' COLLATE NOCASE UNION SELECT 'a'`, now it returns, correctly,...

Collation support: LIKE operator and Scalar String functions

1

Hi all, This PR provides support for collations in the LIKE operator and scalar string functions. For the LIKE operator, we decompose the like pattern into segments using the `CreateLikeMatcher`,...