Function pgx_pg_sys::ineq_histogram_selectivity

pub unsafe fn ineq_histogram_selectivity(
    arg_root: *mut PlannerInfo, 
    arg_vardata: *mut VariableStatData, 
    arg_opoid: Oid, 
    arg_opproc: *mut FmgrInfo, 
    arg_isgt: bool, 
    arg_iseq: bool, 
    arg_collation: Oid, 
    arg_constval: Datum, 
    arg_consttype: Oid
) -> f64