mapledan commented on code in PR #42785:
URL: https://github.com/apache/superset/pull/42785#discussion_r4036206138
##########
superset/commands/sql_lab/estimate.py:
##########
@@ -161,27 +162,51 @@ def run(
) -> list[dict[str, Any]]:
self.validate()
- sql = self._sql
- if self._template_params:
- # Access is already checked in validate() before any rendering.
- template_processor = get_template_processor(self._database)
- try:
- sql = template_processor.process_template(sql,
**self._template_params)
- except TemplateError as ex:
- raise SupersetErrorException(
- SupersetError(
- message=str(ex),
- error_type=SupersetErrorType.GENERIC_COMMAND_ERROR,
- level=ErrorLevel.ERROR,
- ),
- status=400,
- ) from ex
+ # Access is already checked in validate() before any rendering.
+ #
+ # Rendered whether or not `template_params` was supplied, the way
+ # `validate()` above already jinja-processes for authorization and the
+ # execution path does in `SqlQueryRenderImpl.render`. A query needs no
+ # declared parameter to need rendering -- `get_time_filter()`,
+ # `current_username()`, `url_param()` take none -- and SQL Lab posts an
+ # empty `template_params` for an estimate, so those never rendered.
+ template_processor = get_template_processor(self._database)
Review Comment:
Gone with the block. A missing parameter is caught before parsing, so there
is
nothing left to rewrite and a `SupersetParseError` from `_apply_sql_security`
propagates as itself — RLS and length errors included. Covered by a test that
malformed SQL keeps the parser's own error.
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