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<p><FONT class=normalfont><B><font color=blue>用sh列表显示oracle数据库单条查询结果</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br>经常在UNIX下使用oracle数据库,用的是sqlplus,大体已经习惯了.但是有一点受不了,就是用select查询一个大表(字段比较多的表)时,虽然查的结果只有一行,但要是set head on,往往要显示几屏,每一屏都要显示一遍所有字段,根本看不清整个表的内容,如果set head off,又不知道每个值对应的是哪个字段,一个一个数太麻烦了.总想,要是这条数据纵向列表显示,左边列名,右边是值,看着该多方便啊,于是花了点写了一个shell程序,程序名就叫select.<br>
#!/bin/sh<br>
<br>
connectstr='username/password@connectstr'<br>
table=`echo $*|sed 's/.*from *([^ ]*) *.*/1/'|tr "[a-z]" "[A-Z]"`<br>
where=`echo $*|sed 's/.*from/from/'`<br>
cat > sel$$.sql << END<br>
set head off<br>
set feed off<br>
set headsep off<br>
set newp none<br>
set linesize 255<br>
set sqlblanklines OFF<br>
set trimspool ON<br>
set termout off<br>
spool on$$.sql<br>
select 'select '''||column_name||'|'',ltrim(rtrim('||column_name||')) $where;' from user_tab_columns where table_name='$table';<br>
spool off<br>
set termout on<br>
select '##SQL BEGIN##' from dual;<br>
select 'ColumnName| value' from dual;<br>
select '-----------| ------------' from dual;<br>
@@on$$.sql<br>
select '##SQL END##' from dual;<br>
exit<br>
END<br>
sqlplus $connectstr @sel$$.sql|sed -n '/##SQL BEGIN##/,/##SQL END/{<br>
/^$/d<br>
/##SQL/d<br>
p<br>
}'|awk -F'|' '{printf "%-30s%-s",$1,$2}'<br>
rm -f on$$.sql sel$$.sql<br>
<br>
哈哈,使用的时候跟在sqlplus状态下一样的语句,瞧,这是我在sh状态下查询一个有26个字段的表,要是在sqlplus状态下用set head on状态,得显示个几十屏的内容.当我在UNIX sh状态下用这个sql语句时,旁边的同事都呆住了,没搞清怎么回事.(为隐密起见,字段名用了X和乱符表示)<br>
$ select * from testtable;<br>
ColumnName value<br>
----------- ------------<br>
XXXX_ID 2<br>
XXXXON_ID 3<br>
XXXXXXXX_SUBS 2<br>
XXXXTE_TIME 20020320173232<br>
XXXXTOR 0<br>
XXXXTOR_GROUP 0<br>
XXXXNAME <br>
XXXXXXXX_BIRTHDAY_TIME <br>
XXXXXXXX_MODIFY_TIME 20020320173232<br>
XXXXXXXX_OLDNO <br>
XXXXFIER 0<br>
XXXXFIER_NAME Admin<br>
XXXXFIER_LOGIN super<br>
XXXXOPERTYPE 0<br>
XXXXXXXX_CHARGE_NO <br>
XXXXXXXX_BANK <br>
XXXXXXXX_BANK_NO <br>
XXXXXXXX_NET_USE 0<br>
XXXXXXXX_ATTRIBUTE 1<br>
XXXXUP1 0<br>
XXXXUP2 Net<br>
XXXXXXXX_BUSINESS 99<br>
XXXXXXXX_SEX 0<br>
XXXXXXXX_CREDIT_THRESHOLD 0<br>
XXXXXXXX_CREDIT_FLOOR 0<br>
XXXXXXXX_ID 11<br>
XXXXXXXX_NAME USER<br>
XXXXXXXX_PASSWORD xxxc6xxx2ab461b4<br>
XXXXXXXX_IDENTITY <br>
XXXXXXXX_IDTYPE 0<br>
XXXXXXXX_VOCATION <br>
XXXXXXXX_CITY <br>
XXXXXXXX_PROVINCE 13900000005<br>
XXXXXXXX_COUNTRY <br>
XXXXXXXX_ZIP_CODE <br>
XXXXXXXX_PHONE 01062501658<br>
XXXXXXXX_FAX <br>
XXXXXXXX_EMAIL user@263.net<br>
XXXXXXXX_STATUS 0<br>
XXXXXXXX_STATUS_TIME 20020320173231<br>
XXXXXXXX_STATUS_COMMENT <br>
XXXXXXXX_XXXOUNT_CXXLE 14<br>
XXXXXXXX_PAY_TYPE 1<br>
XXXXXXXX_NO AN20000013<br>
XXXXXXXX_ACCOUNT_NO 11<br>
XXXXXXXX_XXXXING_CYCLE <br>
XXXXXXXX_XXXXING_AMOUNT <br>
XXXXXXXX_XXXXING_EAMOUNT <br>
XXXXXXXX_PAY_TIME <br>
XXXXXXXX_OWE_XXXXE 0<br>
XXXXXXXX_PRE_XXXXK_DATE <br>
XXXXENCY_TYPE 0<br>
XXXXXXXX_PARENT 0<br>
XXXXXXXX_BANKNAME <br>
XXXXXXXX_BANKNUM <br>
XXXXXXXX_LINKMAN 99098808<br>
XXXXICE_DELIVER_METHOD 1<br>
XXXXXXXX_TYPE 0<br>
XXXXXXXX_NUMBER <br>
CDT_XXXX_HOLDER <br>
CDT_XXXX_EXPIRY 20020320000000<br>
XXXXXNT_TYPE 0<br>
XXXXXXXX_GRADE 5<br>
XXXXRTISE_FLAG 0<br>
XXXXODE_ID 0<br>
XXXXS_ID 0<br>
XXXXLLER_ID 0<br>
XXXX_NAME Admin<br>
XXXX_LOGIN_NAME super<br>
ACYSEW_DATE 20041214000000<br>
<br>
又是精华之作。<br>
</FONT><br>
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