abap 整洁之道
https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP_zh.md

支持 in 语法 in （’12‘，’34‘）

SELECT mainquery_clauses[UNION ...]INTO|APPENDING target[UP TO ...] [OFFSET ...][abap_options]....
[ENDSELECT].

https://help.sap.com/doc/abapdocu_752_index_htm/7.52/en-US/abapselect.htm

... operand [NOT] IN ( SELECT subquery_clauses [UNION ...] ) ...

https://help.sap.com/doc/abapdocu_752_index_htm/7.52/en-US/abenwhere_logexp_in_subquery.htm

DATA: carr_id TYPE spfli-carrid VALUE 'LH',conn_id TYPE spfli-connid VALUE '400'.SELECT SINGLE city, latitude, longitudeFROM sgeocityWHERE city IN ( SELECT cityfromFROM spfliWHERE carrid = @carr_id ANDconnid = @conn_id )INTO (@DATA(city), @DATA(lati), @DATA(longi)).

ALL ANY SOME 语法
https://help.sap.com/doc/abapdocu_752_index_htm/7.52/en-US/abenwhere_logexp_all_any_some.htm