pgrx::pg_sys

Constant SetFunctionReturnMode_SFRM_Materialize_Preferred

Source 
pub const SetFunctionReturnMode_SFRM_Materialize_Preferred: u32 = 8; // 8u32
👎Deprecated since 0.12.0: you want pg_sys::SetFunctionReturnMode::SFRM_Materialize_Preferred