pub fn describe_declare(
scx: &StatementContext<'_>,
_: DeclareStatement<Aug>,
param_types_in: &[Option<ScalarType>],
) -> Result<StatementDesc, PlanError>
pub fn describe_declare(
scx: &StatementContext<'_>,
_: DeclareStatement<Aug>,
param_types_in: &[Option<ScalarType>],
) -> Result<StatementDesc, PlanError>