pub unsafe fn index_create(
arg_heapRelation: Relation,
arg_indexRelationName: *const c_char,
arg_indexRelationId: Oid,
arg_parentIndexRelid: Oid,
arg_parentConstraintId: Oid,
arg_relFileNode: Oid,
arg_indexInfo: *mut IndexInfo,
arg_indexColNames: *mut List,
arg_accessMethodObjectId: Oid,
arg_tableSpaceId: Oid,
arg_collationObjectId: *mut Oid,
arg_classObjectId: *mut Oid,
arg_coloptions: *mut int16,
arg_reloptions: Datum,
arg_flags: bits16,
arg_constr_flags: bits16,
arg_allow_system_table_mods: bool,
arg_is_internal: bool,
arg_constraintId: *mut Oid
) -> Oid