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作者：惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]
要点
chr(10)–表示换行
set heading off–不显示表格头部
set pagesize 0–不分页
set linesize 800–行宽
spool filename–写入到文件中
sql语句
select 'declare'||chr(10)||' i integer:=0;'||chr(10)||'cursor cur is select rowid as rid from '||t1 ||' WHERE DATASOURCE=''WN'' OR MODIFYSOURCE=''WN'';'||chr(10)||'begin for c in cur loop '||chr(10)||'i:=i+1;'||chr(10)|| 'update '||t1||chr(10)||'SET DATASOURCE=F_BYF_UPDATE_WN(datasource),MODIFYSOURCE=F_BYF_UPDATE_WN(MODIFYSOURCE),REMARK=F_BYF_UPDATE_WN(REMARK) WHERE rowid=c.rid;'||chr(10)|| ' if mod(i,200)=0 then'||chr(10)|| ' commit;'||chr(10)||'end if;'||chr(10)||' if mod(i,20000)=0 then'||chr(10)||' dbms_lock.sleep(40);'||chr(10)||' if i>30000 then'||chr(10)|| ' dbms_lock.sleep(40);'||chr(10)||' end if;'||chr(10)||' end if;'||chr(10)|| ' if i>500000 then'||chr(10)||' exit;'||chr(10)||' end if;'||chr(10)||' end loop;'||chr(10)||' commit;'||chr(10)||'end;'||chr(10)||'/'||chr(10)||'--------'||t1||'-------------' from t1;
效果
declare i integer:=0; cursor cur is select rowid as rid from FUND294 WHERE DATASOURCE='WN' OR MODIFYSOURCE='WN'; begin for c in cur loop i:=i+1; update FUND294 SET DATASOURCE=F_BYF_UPDATE_WN(datasource),MODIFYSOURCE=F_BYF_UPDATE_WN(MODIFYSOURCE),REMARK=F_BYF_UPDATE_WN(REMARK) WHERE rowid=c.rid; if mod(i,200)=0 then commit; end if; if mod(i,20000)=0 then dbms_lock.sleep(40); if i>30000 then dbms_lock.sleep(40); end if; end if; if i>500000 then exit; end if; end loop; commit; end; / --------FUND294-------------
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