Show typecast error while changing data type in preview mode

mathesar/api/db/viewsets/tables.py

@@ -7,7 +7,7 @@
 from rest_framework.mixins import CreateModelMixin, ListModelMixin, RetrieveModelMixin
 from rest_framework.response import Response
 from rest_framework.permissions import IsAuthenticatedOrReadOnly
-from sqlalchemy.exc import DataError, IntegrityError, ProgrammingError
+from sqlalchemy.exc import DataError, IntegrityError, ProgrammingError, InternalError
 
 from db.types.exceptions import UnsupportedTypeException
 from db.columns.exceptions import NotNullError, ForeignKeyError, TypeMismatchError, UniqueValueError, ExclusionError, ColumnMappingsNotFound
@@ -154,16 +154,16 @@
         table_data = TableSerializer(table, context={"request": request}).data
         try:
             preview_records = table.get_preview(columns)
-        except (DataError, IntegrityError) as e:
+        except (DataError, IntegrityError, InternalError) as e:
             if type(e.orig) is InvalidTextRepresentation or type(e.orig) is CheckViolation:
                 raise database_api_exceptions.InvalidTypeCastAPIException(
                     e,
                     status_code=status.HTTP_400_BAD_REQUEST,
                     field='columns'
                 )
             else:
                 raise database_base_api_exceptions.IntegrityAPIException(
                     e,
                     status_code=status.HTTP_400_BAD_REQUEST,
                     field='columns'
                 )