Implement `to_char` according to the PostgreSQL spec: https://www.postgresql.org/docs/9.1/functions-formatting.html by translating to the java.time patterns used in `DATETIME_FORMAT`. Follows: #54832
Implement
to_characcording to the PostgreSQL spec: https://www.postgresql.org/docs/9.1/functions-formatting.html by translating to the java.time patterns used inDATETIME_FORMAT.Follows: #54832