使用方法：
redefinition_table.sh -o 普通表 -i 分区表 -u 表所在的用户名 -f 使用哪个方式重定义:[rowid|pk] -a 动作[redefine] -c oracle连接字符串:ora_name/ora_pass@tnsname
-c 如果连接本地数据库可以不指定，默认为/ as sysdba
-f 提供rowid或者pk两个值，默认为pk
-a 表示需要执行那个动作，重定义还是终止定义。默认：redefine

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#!/bin/bash
#by raysuen
#version 2.0
[ -e ~/.profile ] && . ~/.profile
[ -e ~/.bash_profile ] && . ~/.bash_profile
###################################################
#The function is check that the User exists in the database.
###################################################
CheckUser(){
sqlplus -s /nolog<<-RAY
set termout off;
set echo off;
set feedback off;
set verify off;
set heading off;
conn $2
select username from dba_users where username='$1';
RAY
}
###################################################
#The function is check that the table exists in the database.
###################################################
CheckTable(){
sqlplus -s /nolog<<-RAY
set termout off;
set echo off;
set feedback off;
set verify off;
set heading off;
conn $3
select table_name from dba_tables where owner='$1' and table_name='$2';
RAY
}
###################################################
#The function is check that can redefinition table.
###################################################
CanRedef(){
sqlplus -s /nolog<<-RAY
conn $1
set termout off;
set echo off;
set verify off;
set heading off;
$2
RAY
}
###################################################
#The function that redefinition table
###################################################
redefinitionTable(){
sqlplus -s /nolog<<-RAY
conn $4
set termout off;
set echo off;
set verify off;
set heading off;
alter session force parallel dml;
alter session force parallel query;
$5
DECLARE
num_errors PLS_INTEGER;
BEGIN
DBMS_REDEFINITION.COPY_TABLE_DEPENDENTS('$1', '$2','$3',
DBMS_REDEFINITION.CONS_ORIG_PARAMS, TRUE, TRUE, TRUE, TRUE, num_errors);
END;
/
exec dbms_redefinition.sync_interim_table(uname => '$1',orig_table => '$2',int_table => '$3');
exec dbms_redefinition.finish_redef_table(uname => '$1',orig_table => '$2',int_table => '$3');
RAY
}
###################################################
#The function that abort table
###################################################
AbortTable(){
sqlplus -s /nolog<<-RAY
conn $4
set termout off;
set echo off;
set verify off;
set heading off;
DBMS_REDEFINITION.ABORT_REDEF_TABLE($1,$2,$3)
RAY
}
###################################################
#Checkt to chennect oracle
###################################################
CheckConnect(){
sqlplus /nolog<<-RAY
conn $1
RAY
}
###################################################
#The function for help
###################################################
func_help(){
echo "Example:"
echo " redefinition_table.sh -o origins_table -i interlayer_table -u user_name -f option_flag -a action -c ora_user/ora_passwd@tnsname"
echo "Value:"
echo " -c default value [/ as sysdba]"
echo " -f to use the way which redefine table."
echo " value: rowid/pk,default value: PK."
echo " -a specify a action which you want to do,default: redefine"
}
###################################################
#Entrance of the script
###################################################
###################################################
#get parameter
###################################################
if [ $# -lt 1 ];then
echo "no parameters"
exit 99
else
while (($#>=1))
do
#echo $#
if [ $1 == "-o" ];then #-o origins
shift
orig_table=`echo $1 | tr [a-z] [A-Z]`
shift
elif [ $1 == "-i" ];then #-i interlayer
shift
int_table=`echo $1 | tr [a-z] [A-Z]`
shift
elif [ $1 == "-u" ];then
shift
user_name=`echo $1 | tr [a-z] [A-Z]`
shift
elif [ $1 == "-c" ];then #conect string include ora_username/ora_pwd@tns_name
shift
oraConStr=`echo $1`
shift
elif [ $1 == "-f" ];then #option_flag default: dbms_redefinition.cons_use_pk. values: rowid/PK
shift
option_flag=`echo $1 | tr [a-z] [A-Z]`
shift
elif [ $1 == "-a" ];then #action, the value must be redifine/abort. default: redifine
shift
action=`echo $1 | tr [a-z] [A-Z]`
shift
elif [ $1 == "-h" ];then
func_help
exit 0
else
echo "Please enter right parameter!"
echo "-h,you can use the parameter to get help!"
exit 99
fi
done
fi
#echo $orig_table
#echo $int_table
#echo $user_name
###################################################
#Check that the value of orig_table
###################################################
if [ ! ${orig_table} ];then
echo "-o must be specified!"
exit 1
fi
###################################################
#Check that the value of int_table
###################################################
if [ ! ${int_table} ];then
echo "-i must be specified!"
exit 2
fi
###################################################
#Check that the value of user_name
###################################################
if [ ! ${user_name} ];then
echo "-u must be specified!"
exit 3
fi
###################################################
#Check whether is successful to connecting oracle
###################################################
[ ! ${oraConStr} ]&& oraConStr=' / as sysdba'
CheckConnect "${oraConStr}" | grep "Connected" > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "it is fail to connect oracle using input connection string!"
exit 4
fi
###################################################
#Check whether the input user exists in the database.
###################################################
if [ ! `CheckUser ${user_name} ${oraConStr} | sed 's/\n//g'` ];then
echo "User:("${user_name}") dose not exists in database!"
exit 5s
fi
###################################################
#Check whether the input table exists in the database.
###################################################
if [ ! `CheckTable ${user_name} ${orig_table} ${oraConStr} | sed 's/\n//g'` ];then
echo "Table:("${orig_table}") dose not exists in database!"
exit 6
fi
if [ ! `CheckTable ${user_name} ${int_table} ${oraConStr} | sed 's/\n//g'` ];then
echo "Table:("${int_table}") dose not exists in database!"
exit 7
fi
###################################################
#Check the value of action be specified
###################################################
[ ! ${action} ] && action="REDEFINE"
###################################################
#Check whether can redefinition table.
###################################################
if [ ${action} == 'REDEFINE' ];then
if [ ! ${option_flag} ];then
option_flag="PK"
canRedStr="exec dbms_redefinition.can_redef_table(""'"$user_name"'"",""'"$orig_table"'"");"
startRedStr="exec DBMS_REDEFINITION.start_redef_table(uname => '"$user_name"',orig_table => '"$orig_table"',int_table => '"${int_table}"');"
elif [ ${option_flag} == "PK" ];then
canRedStr="exec dbms_redefinition.can_redef_table(""'"$user_name"'"",""'"$orig_table"'"");"
startRedStr="exec DBMS_REDEFINITION.start_redef_table(uname => '"$user_name"',orig_table => '"$orig_table"',int_table => '"${int_table}"');"
elif [ ${option_flag} == "ROWID" ];then
canRedStr="exec dbms_redefinition.can_redef_table(""'"$user_name"'"",""'"$orig_table"',dbms_redefinition.cons_use_rowid);"
startRedStr="exec DBMS_REDEFINITION.start_redef_table(uname => '"$user_name"',orig_table => '"$orig_table"',int_table => '"${int_table}"',options_flag => dbms_redefinition.cons_use_rowid);"
else
echo "you must specify value for -f,only rowid/pk."
exit 8
fi
if [ `CanRedef ${oraConStr} "${canRedStr}" | grep "successfully" | wc -l` -eq 0 ];then
echo ${orig_table}" can not redefine using "${option_flag}
exit 9
fi
###################################################
#begin to redefinit table
###################################################
redefinitionTable ${user_name} ${orig_table} ${int_table} "${oraConStr}" "${startRedStr}"
elif [ ${action} == 'ABORT' ];then
AbortTable ${user_name} ${orig_table} ${int_table} "${oraConStr}"
else
echo "The value of action only use [redefine|abort]."
exit 10
fi
###################################################
#core code
###################################################
#exec dbms_redefinition.can_redef_table('$1', '$2');
#exec DBMS_REDEFINITION.start_redef_table(uname => '$1',orig_table => '$2',int_table => '$3');
#DECLARE
# num_errors PLS_INTEGER;
#BEGIN
# DBMS_REDEFINITION.COPY_TABLE_DEPENDENTS('$1', '$2','$3',
# DBMS_REDEFINITION.CONS_ORIG_PARAMS, TRUE, TRUE, TRUE, TRUE, num_errors);
#END;
#/
#exec dbms_redefinition.sync_interim_table(uname => '$1',orig_table => '$2',int_table => '$3');
#exec dbms_redefinition.finish_redef_table(uname => '$1',orig_table => '$2',int_table => '$3');

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脚本：在线重定义，从普通表到分区表，redefinition_table.sh

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