fn show_subsources<'a>(
scx: &'a StatementContext<'a>,
from_schema: Option<ResolvedSchemaName>,
on_source: Option<ResolvedItemName>,
filter: Option<ShowStatementFilter<Aug>>,
) -> Result<ShowSelect<'a>, PlanError>
fn show_subsources<'a>(
scx: &'a StatementContext<'a>,
from_schema: Option<ResolvedSchemaName>,
on_source: Option<ResolvedItemName>,
filter: Option<ShowStatementFilter<Aug>>,
) -> Result<ShowSelect<'a>, PlanError>