原始SQL: select a2.ISSUE_CODE as ISSUE_CODE, a2.FZQDM as FZQDM, a2.FZQLB as FZQLB, a2.FJJDM as FJJDM, a3.FSETCODE as FSETCODE, a3.FSETID as FSETID, a2.SRSCD as SRSCD from (select t1.FSCDM as ISSUE_CODE,--市场代码 t1.FZQDM as FZQDM, (case when instr(t1.FZQL…