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;/
新闻热点
疑难解答