villebro commented on code in PR #24241:
URL: https://github.com/apache/superset/pull/24241#discussion_r1209846315
##########
superset/db_engine_specs/base.py:
##########
@@ -737,7 +741,27 @@ def fetch_data(
try:
if cls.limit_method == LimitMethod.FETCH_MANY and limit:
return cursor.fetchmany(limit)
- return cursor.fetchall()
+ data = cursor.fetchall()
+ description = cursor.description or []
+ column_type_mutators = {
+ row[0]: func
+ for row in description
+ if (
+ func := cls.column_type_mutators.get(
+
type(cls.get_sqla_column_type(cls.get_datatype(row[1])))
+ )
+ )
+ }
+ if column_type_mutators:
Review Comment:
Btw, I just noticed we already have logic like this in the codebase:
https://github.com/apache/superset/blob/50535e427e51743e298d46009d51b08ef2380012/superset/db_engine_specs/ocient.py#L330-L334
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