Unix环境卸载Oracle表结构文本中的脚本

dbschema.sh userid/passwd[@connection][table_name]userid/passwd[@oracle_sid]--登录数据库的信息tablename --卸载的表名[可选]

#!/usr/bin/ksh######################################################### 模块: dbschema.sh## 描述: 根据一个数据库或表名来获取相应的结构脚本## 参数 1 = 用户名/密码[@实例名]# 参数 2 = 表名/视图名(可选)## 作者 Bing He## 修改记录# 日期 修改人 修改描述## 10/20/2003 Bing He 开始编写###############################################################################################################-- 局部变量定义lv_argc=0 #命令行入参个数lv_loginfo="" #命令行中的登录信息lv_table_name="" #命令行中的表名信息lv_filename="" #输出的文件名lv_tab_number=0 #需要处理的表的个数lv_sep='|' #分隔符lv_grid_str="/t" #输出的距行首的空格lv_deal_table="" #当前处理的表lv_file_temp1="get_ddl.temp1" #临时文件名lv_file_temp2="get_ddl.temp2" #临时文件名lv_file_temp3="get_ddl.temp3" #临时文件名lv_file_tab_col="get_ddl.col1" #临时文件名lv_file_tab_con="get_ddl.con1" #临时文件名lv_file_col_con="get_ddl.con2" #临时文件名lv_file_tab_ind="get_ddl.ind1" #临时文件名lv_file_col_ind="get_ddl.ind2" #临时文件名##########################################################################################################-- 检查用户名密码的权限f_check_userid(){sqlplus ${lv_loginfo} < /dev/nullset echo off;set heading off;desc user_tables;exit!if [ "$?" -ne 0 ]thenecho "Error:f_check_userid failed."echo " Please check the username/passwd=[${lv_loginfo}]."exitfi}##################################################################################################-- 检查表是否存在f_check_tablename(){sqlplus ${lv_loginfo} < /dev/nullset echo off;set heading off;spool ${lv_file_temp1}select count(*) from user_tables where table_name='${lv_table_name}';spool offexit!if [ "$?" -ne 0 ]thenecho "Error:f_check_tablename failed."echo " Please check the [${lv_table_name}]."exitfilv_number=`cat ${lv_file_temp1}|grep -v "^SQL>"|grep -v "^___FCKpd___1quot;|grep -v "rows selected`if [ ${lv_number} -eq 0 ]thenecho "Error:f_check_tablenaem failed."echo " Please check the table [${lv_table_name}] in [${lv_loginfo}]."exitfi}##################################################################################################-- 初始化输出文件f_generate_file(){if [ ${lv_argc} -eq 1 ]thenlv_str=`echo ${lv_loginfo}|cut -d"/" -f1| tr "[:upper:]" "[:lower:]"`lv_str_main="Structure For User ${lv_str}"elselv_str=`echo ${lv_table_name}| tr "[:upper:]" "[:lower:]"`lv_str_main="Structure For Table ${lv_str}"filv_filename_drop_index="${lv_str}.drop_index"lv_filename_drop_foreign="${lv_str}.drop_foreign"lv_filename_drop_table="${lv_str}.drop_table"lv_filename_create_table="${lv_str}.create_table"lv_filename_create_foreign="${lv_str}.create_foreign"lv_filename="${lv_str}.sql"rm -f ${lv_filename_drop_index}rm -f ${lv_filename_drop_foreign}rm -f ${lv_filename_drop_table}rm -f ${lv_filename_create_table}rm -f ${lv_filename_create_foreign}rm -f ${lv_filename}##--生成基础数据lv_str1="-------------------------------------"echo "/n"${lv_str1} >> ${lv_filename_drop_index}echo "--** 第一步: 删除索引 **--" >> ${lv_filename_drop_index}echo ${lv_str1}"/n" >> ${lv_filename_drop_index}lv_str1="--------------------------------------"echo "/n"${lv_str1} >> ${lv_filename_drop_foreign}echo "--** 第二步: 删除外键 **--" >> ${lv_filename_drop_foreign}echo ${lv_str1}"/n" >> ${lv_filename_drop_foreign}lv_str1="---------------------------------------"echo "/n"${lv_str1} >> ${lv_filename_drop_table}echo "--** 第三步: 删除表 **--" >> ${lv_filename_drop_table}echo ${lv_str1}"/n" >> ${lv_filename_drop_table}lv_str1="---------------------------------------"echo "/n"${lv_str1} >> ${lv_filename_create_table}echo "--** 第四步: 创建表结构,主键,索引**--" >> ${lv_filename_create_table}echo ${lv_str1} >> ${lv_filename_create_table}lv_str1="---------------------------------------"echo "/n"${lv_str1} >> ${lv_filename_create_foreign}echo "--** 第五步: 创建外键 **--" >> ${lv_filename_create_foreign}echo ${lv_str1}"/n" >> ${lv_filename_create_foreign}lv_str1="---------------------------------------"echo "/n"${lv_str1} >> ${lv_filename}echo "--** DESC :${lv_str_main}" >> ${lv_filename}echo "--** AUTHOR:Bing He" >> ${lv_filename}echo "--** DATE :20`date +%y-%m-%d" >> ${lv_filename}echo ${lv_str1}"/n" >> ${lv_filename}}####################################################################################-- 获取用户下的表列表f_get_tables(){rm -f ${lv_file_temp1}sqlplus ${lv_loginfo} </dev/nullset colsep ${lv_sep};set echo off;set feedback off;set heading off;set pagesize 0;set linesize 1000;set numwidth 12;set termout off;set trimout on;set trimspool on;spool ${lv_file_temp1};select table_name from user_tables;spool off;exit!if [ "$?" -ne 0 ] ; thenecho "Usage:f_get_tables failed."exitfiif [ -f ${lv_file_temp1} ]thenlv_table_name=`cat ${lv_file_temp1} |grep -v "^SQL>" | tr -d ' '| tr "[:lower:]" "[:upper:]"`echo ${lv_table_name} > 1.outelseecho "Error:f_get_tables failed.${lv_file_temp1} file not found!"exitfirm -f ${lv_file_temp1}}#################