informix HPL导入导出脚本

#!/usr/bin/env sh
#
#  File:  hpl.sh
#  Creation Date:  2013/6/14 11:02:28
#  Last Modified:  2013/6/14 11:02:29
#  Purpose:脚本使用informix HPL导出导入数据,可灵活导出导入一张或多张表
#
#-----------------------------------------------------------------------------------
usage()
{
 echo "=================使用说明===================                                  "
 echo "Usage:                                                                        "
 echo "  `basename $0` [-d] -t [-p u]                                                "
 echo "  `basename $0` [-f] [-d] -t -p l                                             "
 echo "                                                                              "
 echo "Options:                                                                      "
 echo "   -d destdbname    本地表空间名称,默认为tnmsdb2                              "
 echo "   -f fromdbname    远程表空间名称,默认为tnmsdb2                              "
 echo "   -t tables        表名称,如果导出或导入多张表时,使用格式为\"table1 table2\" "
 echo "   -p parameters    导出导入参数  u 为导出,l 为导入,默认为导出l               "
 echo "                                                                              "
 echo "例子:                                                                         "
 echo "导出一张表:                                                                   "
 echo "  `basename $0` -d tnmsdb2_hn -t ems_event_history -p u                       "
 echo "导出多张表:                                                                   "
 echo "  `basename $0` -d tnmsdb2_hn -t ems_event_history,ems_event -p u             "
 echo "导入一张表:                                                                   "
 echo "  `basename $0` -f tnmsdb2_hn -d tnmsdb2 -t ems_event_history -p l            "
 echo "导入多张表:                                                                   "
 echo "  `basename $0` -f tnmsdb2_hn -d tnmsdb2 -t ems_event_history,ems_event-p l   "
 echo "使用默认参数导出:                                                             "
 echo "  `basename $0` -t \"ems_event_history ems_event\"                            "
 echo "使用默认参数导入:                                                             "
 echo "  `basename $0` -t \"ems_event_history ems_event\" -p l                       "
 exit 0
}
#程序选项
while getopts "d:f:t:p:" OPTION
 do
   case $OPTION in
        d) destdbname="${OPTARG}"
           ;;
        f) fromdbname="${OPTARG}"
           ;;
        t) tables="${OPTARG}"
          ;;
        p) parameters="${OPTARG}"
          ;;
        *|\?) usage
           ;;
   esac
done
#检查脚本后面是否有跟参数
if [ $# = 0 ];then
 echo "error:`basename $0` parameter is error"
 usage
 exit 0
fi
#初始化参数
parameter()
{
 #获取表名称
 if [ -z "$tables" ];then
  echo error:table name is not exist.
  echo "例如:`basename $0` -t \"ems_event_history ems_event\""
  exit 0
 else
  names=$tables
 fi
 #目标表空间名称默认为tnmsdb2
 if [ -z $destdbname ];then
  destdbname=tnmsdb2
 fi
 #源表空间名称默认为tnmsdb2
 if [ -z $fromdbname ];then
  fromdbname=tnmsdb2
 fi
 #参数默认为导出u
 if [ -z $parameters ];then
  parameters=u
 fi
}
#数据导出函数
unload()
{
 onpladm create project outport_data
 onpladm create job $tabname -p outport_data -d $destdbname/record/$tabname -D$destdbname -t $tabname -fu -zD
 onpladm run project outport_data -fu
 #onpladm delete job $tabname -fu
 onpladm delete project outport_data
 #onpladm list job
}
#数据导入函数
load()
{
 onpladm create project import_data
 onpladm create job $tabname -p import_data -d $fromdbname/record/$tabname -D$destdbname -t $tabname -flc -zD
 onpladm run project import_data -fl
 #onpladm delete job $tabname -fl
 onpladm delete project import_data
}
#导出表结构
dbschema()
{
 dbschema -d $destdbname -t $tabname -ss $destdbname/schema/$destdbname.sql
}
#开始执行程序
parameter
if [ $parameters = u ];then
 if [ ! -d $destdbname ];then
  mkdir $destdbname
  mkdir $destdbname/record
  mkdir $destdbname/schema
 else
  echo "$destdbname目录已存在,请先删除此目录再执行."
  exit 0
 fi
fi
#删除onpload数据库(project和job信息都存放在onpload数据库中)
echo 'drop database onpload;'|dbaccess sysadmin
if [ $? -eq 0 ];then
 echo "onpload库删除成功"
else
 echo "onpload库不存在,可以忽略此报错."
fi
#执行导出导入程序
for tabname in $names
do
 #导出数据
 if [ $parameters = u ];then
  unload
 fi
 #导入数据
 if [ $parameters = l ];then
  load
 fi
done