環境：

Red Hat Enterprise Linux Server release 6.6

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

--創建目錄

create or replace directory TXT_DIR as '/opt/oracle/database/exptxt';

grant read,write on directory TXT_DIR to manager_desk;

--編寫存儲過程，并存入文件/home/oracle/detail.sql

create or replace PROCEDURE appdetail

is

file_handle utl_file.file_type;

Write_content VARCHAR2(5000);

v_DETAILID ? ? ? ?NUMBER;

v_APPID ? ? ? ? ? NUMBER;

v_APPVER ? ? ? ? ?NUMBER;

v_APPVERNAME ? ? ?VARCHAR2(254);

v_PACKAGENAME ? ? VARCHAR2(254);

v_CRC32 ? ? ? ? ? VARCHAR2(20);

v_ICON ? ? ? ? ? ?VARCHAR2(254);

v_DESCRIPTION ? ? CLOB;

v_CSIZE ? ? ? ? ? NUMBER;

v_PAYTYPE ? ? ? ? NUMBER;

v_COST ? ? ? ? ? ?NUMBER(25,3);

v_STATE ? ? ? ? ? NUMBER;

v_CREATORID ? ? ? NUMBER;

v_MODDATE ? ? ? ? DATE;

v_APPPATH ? ? ? ? VARCHAR2(500);

v_ISDEF ? ? ? ? ? NUMBER;

v_DOWNLOADCOUNT ? NUMBER;

v_COOPERATIONID ? NUMBER;

v_REALAPPID ? ? ? NUMBER(38);

v_CREATEDATE ? ? ?DATE;

v_ISADVERTISER ? ?NUMBER(38);

v_EDITOR ? ? ? ? ?NUMBER;

v_ISGETDATA ? ? ? NUMBER;

v_SECURITYSTATUS ?NUMBER;

v_ADTYPES ? ? ? ? NUMBER;

v_PERMISSIONLEVEL NUMBER;

v_VERIFIED ? ? ? ?NUMBER;

v_BOTTOMDESC ? ? ?VARCHAR2(512);

v_SIGNATUREMD5 ? ?VARCHAR2(64);

v_APKMD5 ? ? ? ? ?VARCHAR2(64);

v_MINVERSIONCODE ?NUMBER(38);

v_PCLASSID ? ? ? ?NUMBER(38);

v_CLASSID ? ? ? ? NUMBER(38);

cursor cur_sp_out

is

select detailid, appid, appver, appvername, packagename, crc32, icon, description, csize, paytype, cost, state, creatorid, moddate, apppath, isdef, downloadcount, cooperationid, realappid, createdate, isadvertiser, editor, isgetdata, securitystatus, adtypes, permissionlevel, verified, bottomdesc, signaturemd5, apkmd5, minversioncode, pclassid, classid from applljkll;

begin

open cur_sp_out;

loop

fetch cur_sp_out into v_detailid, v_appid, v_appver, v_appvername, v_packagename, v_crc32, v_icon, v_description, v_csize, v_paytype, v_cost, v_state, v_creatorid, v_moddate, v_apppath, v_isdef, v_downloadcount, v_cooperationid, v_realappid, v_createdate, v_isadvertiser, v_editor, v_isgetdata, v_securitystatus, v_adtypes, v_permissionlevel, v_verified, v_bottomdesc, v_signaturemd5, v_apkmd5, v_minversioncode, v_pclassid, v_classid;

exit when cur_sp_out%notfound;

file_handle := utl_file.fopen('TXT_DIR','applljkll.txt','a',32000);

--specified ?directories ,file_name and max_linesize

write_content := v_detailid||', '||v_appid||', '||v_appver||', '||v_appvername||', '||v_packagename||', '||v_crc32||', '||v_icon||', '||v_description||', '||v_csize||', '||v_paytype||', '||v_cost||', '||v_state||', '||v_creatorid||', '||v_moddate||', '||v_apppath||', '||v_isdef||', '||v_downloadcount||', '||v_cooperationid||', '||v_realappid||', '||v_createdate||', '||v_isadvertiser||', '||v_editor||', '||v_isgetdata||', '||v_securitystatus||', '||v_adtypes||', '||v_permissionlevel||', '||v_verified||', '||v_bottomdesc||', '||v_signaturemd5||', '||v_apkmd5||', '||v_minversioncode||', '||v_pclassid||', '||v_classid;

--write file

IF utl_file.is_open(file_handle) THEN

utl_file.put_line(file_handle,write_content);

END IF;

--close file

utl_file.fclose(file_handle);

end loop;

close cur_sp_out;

end;

/

執行：

SQL> ?@/home/oracle/base.sql

Procedure created.

SQL> exec appdetail;

PL/SQL procedure successfully completed.

處錯：

SQL> exec appbase

BEGIN appbase; END;

*

ERROR at line 1:

ORA-29285: file write error

ORA-06512: at "SYS.UTL_FILE", line 77

ORA-06512: at "SYS.UTL_FILE", line 690

ORA-06512: at "MANAGER_DESK.APPBASE", line 55

ORA-06512: at line 1

解決：

修改

max_linesize?為?3200;

file_handle := utl_file.fopen('TXT_DIR','qn_desktop_appdetail.txt','a',32000);

注：如果不知道max_linesize，其默認值為1024；

utl_file 子過程 fopen語法：

Syntax

UTL_FILE.FOPEN?(

location?????IN?VARCHAR2,

filename?????IN?VARCHAR2,

open_mode????IN?VARCHAR2,

max_linesize?IN?BINARY_INTEGER)

RETURN?file_type;

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