How to pass string into sql query?


 
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# 1  
Old 10-29-2013
How to pass string into sql query?

Hi Gurus,

I have a request which needs to pass string into sql.
dummy code as below:
Code:
sqlplus -s user/password@instance << EOF >>output.txt
set echo off head off feed off pagesize 0 trimspool on linesize 1000 colsep ,
select emp_no, emp_name from emp
where emp_no in ('a', 'b', 'c');
exit;
EOF

for above query, I need pass string 'a', 'b', 'c' dynamically.

any input is really appreciate.

Thanks in advance.
# 2  
Old 10-29-2013
Using positional parameters:

Code:
a=$1
b=$2
c=$3

sqlplus -s user/password@instance << EOF >>output.txt
set echo off head off feed off pagesize 0 trimspool on linesize 1000 colsep ,
select emp_no, emp_name from emp
where emp_no in ($a, $b, $c);
exit;
EOF


Last edited by balajesuri; 10-29-2013 at 02:53 AM..
This User Gave Thanks to balajesuri For This Post:
# 3  
Old 10-29-2013
Quote:
Originally Posted by balajesuri
Using positional parameters:

Code:
a=$1
b=$2
c=$3

sqlplus -s user/password@instance << EOF >>output.txt
set echo off head off feed off pagesize 0 trimspool on linesize 1000 colsep ,
select emp_no, emp_name from emp
where emp_no in ($a, $b, $c);
exit;
EOF

Thanks for you reply. this works.
one more question, I have file list like below:
Code:
a
b
c
d

I want to create parameter as
para='a','b','c','d'

would you please help me out this.

Thanks in advance
# 4  
Old 10-29-2013
Read file and create parameter:
Code:
while read p
do
        [ -z "$para" ] && para="'${p}'" || para="${para},'${p}'"
done < file

Use the variable in sql:
Code:
where emp_no in ( $para );

This User Gave Thanks to Yoda For This Post:
# 5  
Old 10-29-2013
Quote:
Originally Posted by Yoda
Read file and create parameter:
Code:
while read p
do
        [ -z "$para" ] && para="'${p}'" || para="${para},'${p}'"
done < file

Use the variable in sql:
Code:
where emp_no in ( $para );

Thanks this code work perfect.

Thanks again.
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