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eygle【
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链接： http://www.eygle.com/archives/2005/05/eoautl_fileeioe.html
Tom写过这样一个函数用于把数据转储为逗号分隔符文件，看到很多人问类似的问题，转载这里供参考。
注意，UTL_FILE使用的Directory，需要你预先创建，具体可以参考 Using Create directory & UTL_FILE in Oracle
以下是使用样例:
链接： http://www.eygle.com/archives/2005/05/eoautl_fileeioe.html
Tom写过这样一个函数用于把数据转储为逗号分隔符文件，看到很多人问类似的问题，转载这里供参考。
注意，UTL_FILE使用的Directory，需要你预先创建，具体可以参考 Using Create directory & UTL_FILE in Oracle
create or replace function dump_csv( p_query in varchar2, p_separator in varchar2 default ',', p_dir in varchar2 , p_filename in varchar2 ) return number AUTHID CURRENT_USER is l_output utl_file.file_type; l_theCursor integer default dbms_sql.open_cursor; l_columnValue varchar2(2000); l_status integer; l_colCnt number default 0; l_separator varchar2(10) default ''; l_cnt number default 0; begin l_output := utl_file.fopen( p_dir, p_filename, 'w' ); dbms_sql.parse( l_theCursor, p_query, dbms_sql.native ); for i in 1 .. 255 loop begin dbms_sql.define_column( l_theCursor, i, l_columnValue, 2000 ); l_colCnt := i; exception when others then if ( sqlcode = -1007 ) then exit; else raise; end if; end; end loop; dbms_sql.define_column( l_theCursor, 1, l_columnValue, 2000 ); l_status := dbms_sql.execute(l_theCursor); loop exit when ( dbms_sql.fetch_rows(l_theCursor) <= 0 ); l_separator := ''; for i in 1 .. l_colCnt loop dbms_sql.column_value( l_theCursor, i, l_columnValue ); utl_file.put( l_output, l_separator || l_columnValue ); l_separator := p_separator; end loop; utl_file.new_line( l_output ); l_cnt := l_cnt+1; end loop; dbms_sql.close_cursor(l_theCursor); utl_file.fclose( l_output ); return l_cnt; end dump_csv; /
以下是使用样例:
[oracle@jumper tmp]$ sqlplus "/ as sysdba"
SQL*Plus: Release 9.2.0.4.0 - Production on Fri May 13 15:04:41 2005
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production
With the Partitioning option
JServer Release 9.2.0.4.0 - Production
SQL> select dump_csv('select * from scott.emp',',','/tmp','emp.csv') from dual;
DUMP_CSV('SELECT*FROMSCOTT.EMP',',','/TMP','EMP.CSV')
-----------------------------------------------------
14
SQL> ! more /tmp/emp.csv
7369,SMITH,CLERK,7902,17-DEC-80,800,,20
7499,ALLEN,SALESMAN,7698,20-FEB-81,1600,300,30
7521,WARD,SALESMAN,7698,22-FEB-81,1250,500,30
7566,JONES,MANAGER,7839,02-APR-81,2975,,20
7654,MARTIN,SALESMAN,7698,28-SEP-81,1250,1400,30
7698,BLAKE,MANAGER,7839,01-MAY-81,2850,,30
7782,CLARK,MANAGER,7839,09-JUN-81,2450,,10
7788,SCOTT,ANALYST,7566,19-APR-87,3000,,20
7839,KING,PRESIDENT,,17-NOV-81,5000,,10
7844,TURNER,SALESMAN,7698,08-SEP-81,1500,0,30
7876,ADAMS,CLERK,7788,23-MAY-87,1100,,20
7900,JAMES,CLERK,7698,03-DEC-81,950,,30
7902,FORD,ANALYST,7566,03-DEC-81,3000,,20
7934,MILLER,CLERK,7782,23-JAN-82,1300,,10
