CDSView表达式

表达式

association [0..1] to ZRRE_I_YT   as YT_F4   on  $projection.ytid = YT_F4.ytid
association [0..1] to ZRRE_I_ZY   as ZY_F4   on  $projection.majorid = ZY_F4.majorid
association [0..1] to ZRRE_I_CSGS as CSGS_F4 on  $projection.entnr = CSGS_F4.entnr

cast('' as abap.char( 255 ) ) as RevReason