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- create or replace procedure PROC_test is
- --Description:删除字段中的指定字符(回车chr(13)、换行chr(10))
- --By LiChao
- --Date:2016-03-01
- colname varchar(20); --列名
- cnt number; --包含换行符的列的行数
- v_sql varchar(2000); --动态SQL变量
- begin
- --读取表中的列
- for col in (select column_name
- from user_tab_columns
- where table_name = 'TEMP') loop
- colname := col.column_name;
- --替换换行符chr(10)
- v_sql := 'select count(1) from temp where instr(' || colname ||
- ',chr(10))>0 ';
- EXECUTE IMMEDIATE V_SQL
- into cnt;
- if cnt > 0 then
- v_sql := 'update temp set ' || colname || '=trim(replace(' || colname ||
- ',chr(10),''''))' || 'where instr(' || colname ||
- ',chr(10))>0 ';
- EXECUTE IMMEDIATE V_SQL;
- commit;
- end if;
- --替换回车符chr(13)
- v_sql := 'select count(1) from temp where instr(' || colname ||
- ',chr(13))>0 ';
- EXECUTE IMMEDIATE V_SQL
- into cnt;
- if cnt > 0 then
- v_sql := 'update temp set ' || colname || '=trim(replace(' || colname ||
- ',chr(13),''''))' || 'where instr(' || colname ||
- ',chr(13))>0 ';
- EXECUTE IMMEDIATE V_SQL;
- commit;
-
- end if;
- --替换'|' chr(124) 为'*' chr(42)
- v_sql := 'select count(1) from temp where instr(' || colname ||
- ',chr(124))>0 ';
- EXECUTE IMMEDIATE V_SQL
- into cnt;
- if cnt > 0 then
- v_sql := 'update temp set ' || colname || '=replace(' || colname ||
- ',chr(124),chr(42))' || 'where instr(' || colname ||
- ',chr(124))>0 ';
- EXECUTE IMMEDIATE V_SQL;
- commit;
-
- end if;
- end loop;
- end PROC_test;
- /
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