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  • 数据库导入/导出

    直接给出数据库连接字串和列有表名称的文本文件,即可进行exp/imp
    
    # begin of exptable
    
    #!/bin/ksh
    PARALLEL_LIMIT=5
    WAIT_TIME=10
    PARAMETERS="DIRECT=Y COMPRESS=N ROWS=Y INDEXES=Y STATISTICS=NONE";export PARAMETERS
    TARGET_PATH=./done
    LOGFILE_PATH=./elogs
    USER_ID=$1
    TABLELIST_FILE=$2
    EXTEND_CODE=$3
    exptabledata()
    {
      echo "
    
    "
      echo `date +"%Y-%m-%d %H:%M:%S"`" -- 开始导出数据表"$2" ..."
      echo "Command Line: "exp USERID=******** $PARAMETERS TABLES=$2 FILE=$3 LOG=$4
      ZIP_FILE=$3.gz
      rm -f $3
      #exptabledata $USER_ID $TABLE_NAME_UPPER $DMP_FILE $LOG_FILE $TARGET_PATH
      exp USERID=$1 $PARAMETERS TABLES=$2 FILE=$3 LOG=$4
      #echo `date +"%Y-%m-%d %H:%M:%S"`" -- 压缩数据文件"$3" ..."
      #if [ -s $3 ];then gzip -f $3 ; fi
      if [ -s $ZIP_FILE ];then
        mv -f $ZIP_FILE $5/$ZIP_FILE
      else
        mv -f $3 $5/$3
      fi
      echo `date +"%Y-%m-%d %H:%M:%S"`" -- 表"$2"数据导出完成 !!!
    
    "
    }
    #校验用户名/导出表清单文件是否存在
    if [ "NULL$USER_ID" = "NULL" -o "NULL$TABLELIST_FILE" = "NULL" ]
    then
      echo "
    
    "
      echo "Usage: $0 UserID/Paasword[@ServiceName] tables.lst [Extend]"
      echo "UserID/Paasword[@ServiceName] -- 数据库链接字串"
      echo "tables.lst                    -- 导出表清单文件"
      echo "Extend                        -- 扩展名"
      echo "
    
    "
      exit;
    fi;
    #校验导出表清单文件
    if [ ! -r $TABLELIST_FILE ]
    then
      echo "
    
    "
      echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
      echo $TABLELIST_FILE" -- 导出表清单文件读取无效 !!!"
      echo "
    
    "
      exit
    fi
    #校验目标目录
    if [ -d $TARGET_PATH ]
    then
      if [ ! -w $TARGET_PATH ]
      then
         echo "
    
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $TARGET_PATH" -- 目标目录写入无权限 !!!"
         echo "
    
    "
         exit
      fi
    else
      mkdir -p $TARGET_PATH
      if [ ! $? ]
      then
         echo "
    
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $TARGET_PATH" -- 目标目录创建失败 !!!"
         echo "
    
    "
         exit
      fi
    fi
    #校验LOG目录
    if [ -d $LOGFILE_PATH ]
    then
      if [ ! -w $LOGFILE_PATH ]
      then
         echo "
    
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $LOGFILE_PATH" -- LOG目录写入无权限 !!!"
         echo "
    
    "
         exit
      fi
    else
      mkdir -p $LOGFILE_PATH
      if [ ! $? ]
      then
         echo "
    
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $LOGFILE_PATH" -- LOG目录创建失败 !!!"
         echo "
    
    "
         exit
      fi
    fi
    echo "
    
    "
    echo `date +"%Y-%m-%d %H:%M:%S"`" -- 数据导出开始 ..."
    echo "目标目录   -- "$TARGET_PATH
    echo "表清单文件 -- "$TABLELIST_FILE
    echo "
    
    "
    #读取表名称进行数据导出
    while read LARGE_TABLE
    do
      # 根据进程数休眠
      read PARALLEL_LIMIT < parallel.limit
      while [ `ps -ef|grep "exp USERID"|grep -v grep|wc -l` -ge $PARALLEL_LIMIT ]
      do
        sleep $WAIT_TIME
        read PARALLEL_LIMIT < parallel.limit
      done
      DFILE_NAME=`echo $LARGE_TABLE|awk -F '|' '{print $1;}'|tr '[:upper:]' '[:lower:]'`
      TABLE_NAME=`echo $LARGE_TABLE|awk -F '|' '{print $2;}'|tr '[:lower:]' '[:upper:]'`
      if [ "NULL$DFILE_NAME" = "NULL" -a "NULL$TABLE_NAME" = "NULL" ]
      then
        continue
      else
        if [ "NULL$TABLE_NAME" = "NULL" ];then TABLE_NAME=`echo $DFILE_NAME|tr '[:lower:]' '[:upper:]'`;fi
      fi
      if [ "NULL$EXTEND_CODE" = "NULL" ]
      then
        DMP_FILE=$DFILE_NAME".dmp"
        LOG_FILE=$LOGFILE_PATH/$DFILE_NAME".log"
      else
        DMP_FILE=$DFILE_NAME"_"$EXTEND_CODE".dmp"
        LOG_FILE=$LOGFILE_PATH/$DFILE_NAME"_"$EXTEND_CODE.log
      fi
      exptabledata $USER_ID $TABLE_NAME $DMP_FILE $LOG_FILE $TARGET_PATH &
    done < $TABLELIST_FILE
    echo "
    
    "
    echo `date +"%Y-%m-%d %H:%M:%S"`" -- 数据导出结束 !!!"
    echo "目标目录   -- "$TARGET_PATH
    echo "表清单文件 -- "$TABLELIST_FILE
    echo "
    
    "
    
    # end of exptable
    
    # begin of imptable
    
    #!/bin/ksh
    PARALLEL_LIMIT=10
    WAIT_TIME=10
    PARAMETERS="BUFFER=104857600 IGNORE=Y COMMIT=Y FULL=Y";export PARAMETERS
    LOGFILE_PATH=./ilogs
    INDEX_PATH=./index
    BACKUP_PATH=./bak
    DOING_PATH=./doing
    USER_ID=$1
    DATAFILE_PATH=$2
    imptabledata()
    {
      echo "
    "
      echo `date +"%Y-%m-%d %H:%M:%S"`" -- 开始导入数据文件"$2" ..."
      echo "Command Line: imp USERID=********" $PARAMETERS INDEXES=N FILE=$3 LOG=$5
      #imptabledata $USER_ID $DMP_FILE $INDEX_FILE $LOG_FILE
      #imp USERID=$1 $PARAMETERS INDEXES=Y FILE=$2 INDEXFILE=$3
      imp USERID=$1 $PARAMETERS INDEXES=N FILE=$2 LOG=$4
      mv -f $2 $5
      echo `date +"%Y-%m-%d %H:%M:%S"`" -- 文件"$2"导入完成 !!!
    "
    }
    #校验用户名/导入表清单文件是否存在
    if [ "NULL$USER_ID" = "NULL" ]
    then
      echo "
    "
      echo "Usage: 
    $0 UserID/Paasword[@ServiceName]"
      echo "UserID/Paasword[@ServiceName] -- 数据库链接字串"
      echo "
    "
      exit;
    fi;
    #校验数据文件存储目录
    if [ ! ( -d $DATAFILE_PATH -a -r $DATAFILE_PATH ) ]
    then
      echo "
    "
      echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
      echo $DATAFILE_PATH" -- 目标目录无读取权限 !!!"
      echo "
    "
      exit
    fi
    #校验LOG目录
    if [ -d $LOGFILE_PATH ]
    then
      if [ ! -w $LOGFILE_PATH ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $LOGFILE_PATH" -- LOG目录无写入权限 !!!"
         echo "
    "
         exit
      fi
    else
      mkdir -p $LOGFILE_PATH
      if [ ! $? ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $LOGFILE_PATH" -- LOG目录创建失败 !!!"
         echo "
    "
         exit
      fi
    fi
    #校验INDEX目录
    if [ -d $INDEX_PATH ]
    then
      if [ ! -w $INDEX_PATH ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
        echo $INDEX_PATH" -- INDEX目录无写入权限 !!!"
         echo "
    "
         exit
      fi
    else
      mkdir -p $INDEX_PATH
      if [ ! $? ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $INDEX_PATH" -- INDEX目录创建失败 !!!"
         echo "
    "
         exit
      fi
    fi
    #校验BACKUP目录
    if [ -d $BACKUP_PATH ]
    then
    if [ ! -w $BACKUP_PATH ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $BACKUP_PATH" -- BACKUP目录无写入权限 !!!"
         echo "
    "
         exit
      fi
    else
      mkdir -p $BACKUP_PATH
      if [ ! $? ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $BACKUP_PATH" -- BACKUP目录创建失败 !!!"
         echo "
    "
         exit
      fi
    fi
    #校验DOING目录
    if [ -d $DOING_PATH ]
    then
      if [ ! -w $DOING_PATH ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $DOING_PATH" -- DOING目录无写入权限 !!!"
         echo "
    "
         exit
      fi
    else
      mkdir -p $DOING_PATH
      if [ ! $? ]
      then
         echo "
    "
         echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
         echo $DOING_PATH" -- DOING目录创建失败 !!!"
         echo "
    "
         exit
      fi
    fi
    echo "
    "
    echo `date +"%Y-%m-%d %H:%M:%S"`" -- 开始导入数据文件目录"$DATAFILE_PATH" ..."
    echo "
    "
    #读取表名称进行数据导入
    if [ ! -x imptables.stop ];then echo "running" > imptables.stop;fi
    read IMP_STOP < imptables.stop
    while [ $IMP_STOP != "stop" ]
    do
    ls -p $DATAFILE_PATH|grep ".dmp" > dmpfile.lst
    while read DMP_FILE
    do
      # 根据进程数休眠
      read PARALLEL_LIMIT < parallel.limit
      while [ `ps -ef|grep "imp USERID"|grep -v "grep"|wc -l` -ge $PARALLEL_LIMIT ] ;
      do
        sleep $WAIT_TIME
        read PARALLEL_LIMIT < parallel.limit
      done
      TABLE_NAME=${DMP_FILE%.*}
      LOG_FILE=$TABLE_NAME".log"
      INDEX_FILE=$TABLE_NAME".sql"
      if [ "NULL$DMP_FILE" = "NULL" ]
      then
        continue
      fi
      mv -f $DATAFILE_PATH/$DMP_FILE $DOING_PATH/$DMP_FILE
      if [ -r $DOING_PATH/$DMP_FILE ]
      then
        imptabledata $USER_ID $DOING_PATH/$DMP_FILE $INDEX_PATH/$INDEX_FILE $LOGFILE_PATH/$LOG_FILE $BACKUP_PATH/$DMP_FILE &
      else
        echo "
    "
        echo `date +"%Y-%m-%d %H:%M:%S"`" -- 错误 !!!"
        echo $DMP_FILE" -- 数据文件读取失败 !!!"
        echo "
    "
      fi
    done < dmpfile.lst
    if [ `wc dmpfile.lst|awk '{print $1}'` -eq 0 ];then sleep 120; fi
    ls -p $DATAFILE_PATH|grep ".dmp" > dmpfile.lst
    read IMP_STOP < imptables.stop
    done
    echo "
    "
    echo `date +"%Y-%m-%d %H:%M:%S"`" -- imptables.stop时数据导入程序退出 !!!"
    echo "
    "
    
    # end of imptable
    
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  • 原文地址:https://www.cnblogs.com/tychyg/p/5067488.html
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