Merge branch 'feature/transpile-to_timestamp' of https://github.com/tobymao/sqlglot into feature/transpile-to_timestamp

Author: fivetran-kwoodbeck

sqlglot/dialects/duckdb.py

@@ -407,9 +407,11 @@ def _unix_to_time_sql(self: DuckDB.Generator, expression: exp.UnixToTime) -> str
             to_timestamp = exp.AtTimeZone(this=to_timestamp, zone=exp.Literal.string("UTC"))
         return self.sql(to_timestamp)
     if scale == exp.UnixToTime.MILLIS:
+        # EPOCH_MS already returns TIMESTAMP (naive, UTC)
         # EPOCH_MS already returns TIMESTAMP (naive, UTC)
         return self.func("EPOCH_MS", timestamp)
     if scale == exp.UnixToTime.MICROS:
+        # MAKE_TIMESTAMP already returns TIMESTAMP (naive, UTC)
         # MAKE_TIMESTAMP already returns TIMESTAMP (naive, UTC)
         return self.func("MAKE_TIMESTAMP", timestamp)