Shell脚本中执行sql语句操作mysql的5种方法

--演示环境 
[root@SZDB ~]# more /etc/issue 
CentOS release 5.9 (Final) 
Kernel \r on an \m 
 
root@localhost[(none)]> show variables like 'version'; 
+---------------+------------+ 
| Variable_name | Value      | 
+---------------+------------+ 
| version       | 5.6.12-log | 
+---------------+------------+ 
 
[root@SZDB ~]# more shell_call_sql1.sh  
#!/bin/bash 
# Define log 
TIMESTAMP=`date +%Y%m%d%H%M%S` 
LOG=call_sql_${TIMESTAMP}.log 
echo "Start execute sql statement at `date`." >>${LOG} 
 
# execute sql stat 
mysql -uroot -p123456 -e " 
tee /tmp/temp.log 
drop database if exists tempdb; 
create database tempdb; 
use tempdb 
create table if not exists tb_tmp(id smallint,val varchar(20)); 
insert into tb_tmp values (1,'jack'),(2,'robin'),(3,'mark'); 
select * from tb_tmp; 
notee 
quit" 
 
echo -e "\n">>${LOG} 
echo "below is output result.">>${LOG} 
cat /tmp/temp.log>>${LOG} 
echo "script executed successful.">>${LOG} 
exit; 
 
[root@SZDB ~]# ./shell_call_sql1.sh  
Logging to file '/tmp/temp.log' 
+------+-------+ 
| id   | val   | 
+------+-------+ 
|    1 | jack  | 
|    2 | robin | 
|    3 | mark  | 
+------+-------+ 
Outfile disabled. 

[root@SZDB ~]# more temp.sql  
tee /tmp/temp.log 
drop database if exists tempdb; 
create database tempdb; 
use tempdb 
create table if not exists tb_tmp(id smallint,val varchar(20)); 
insert into tb_tmp values (1,'jack'),(2,'robin'),(3,'mark'); 
select * from tb_tmp; 
notee 
 
[root@SZDB ~]# mysql -uroot -p123456 -e "source /root/temp.sql" 
Logging to file '/tmp/temp.log' 
+------+-------+ 
| id   | val   | 
+------+-------+ 
|    1 | jack  | 
|    2 | robin | 
|    3 | mark  | 
+------+-------+ 
Outfile disabled. 

[root@SZDB ~]# mysql -uroot -p123456 </root/temp.sql 
Logging to file '/tmp/temp.log' 
id      val 
1       jack 
2       robin 
3       mark 
Outfile disabled. 
 
#使用管道符调用SQL文件以及输出日志 
[root@SZDB ~]# mysql -uroot -p123456 </root/temp.sql >/tmp/temp.log 
[root@SZDB ~]# more /tmp/temp.log 
Logging to file '/tmp/temp.log' 
id      val 
1       jack 
2       robin 
3       mark 
Outfile disabled. 

[root@SZDB ~]# more shell_call_sql2.sh 
#!/bin/bash 
mysql -uroot -p123456 <<EOF 
source /root/temp.sql; 
select current_date(); 
delete from tempdb.tb_tmp where id=3; 
select * from tempdb.tb_tmp where id=2; 
EOF 
exit; 
[root@SZDB ~]# ./shell_call_sql2.sh 
Logging to file '/tmp/temp.log' 
id      val 
1       jack 
2       robin 
3       mark 
Outfile disabled. 
current_date() 
2014-10-14 
id      val 
2       robin 

[root@SZDB ~]# more shell_call_sql3.sh 
#!/bin/bash 
cmd="select count(*) from tempdb.tb_tmp" 
cnt=$(mysql -uroot -p123456 -s -e "${cmd}") 
echo "Current count is : ${cnt}" 
exit  
[root@SZDB ~]# ./shell_call_sql3.sh  
Warning: Using a password on the command line interface can be insecure. 
Current count is : 3 
 
[root@SZDB ~]# echo "select count(*) from tempdb.tb_tmp"|mysql -uroot -p123456 -s 
3 
 
[root@SZDB ~]# more shell_call_sql4.sh 
#!/bin/bash 
id=1 
cmd="select count(*) from tempdb.tb_tmp where id=${id}" 
cnt=$(mysql -uroot -p123456 -s -e "${cmd}") 
echo "Current count is : ${cnt}" 
exit  
 
[root@SZDB ~]# ./shell_call_sql4.sh  
Current count is : 1 
 
#以上脚本演示中，作抛砖引玉只用，对于输出的结果不是很规整友好，需要进一步改善和提高。