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How to avoid ISQL error?


 
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# 1  
How to avoid ISQL error?

I am using ISQL command in my script like below
Code:
echo "going to execute isql for getting JE count"
isql -Uxyz -SSYB_LOCOMOTIVE_xx -Pabc -Dlmn -w300 -o$sumOfJEOutputFile <<EOF
select sum(count(*)) from lmn..ex_je_t where clm_id in ($(cat $finalTemp)) group by clm_id
go
EOF
retval=$?
cat $retval
if [[ $retval != 0 ]]; then
                echo "Failed to connect to the Database" | mail -s "ERROR OCCURED:Database connection Failed" "$EXPRS_SUPPORT" 
                exit 0
else
                echo "Database connection successful."
fi
echo "coming out of isql command"
echo "#################################### output of isql command for getting the sum of JEs ##################################################"
cat $sumOfJEOutputFile

I used the if condition so that when there is an error i can exit the script with a message.

But this is not happening,instead i am getting the error printed in my output file.Like this:
Code:
Msg 102, Level 15, State 1:
Server 'SYB_LOCOMOTIVE_JE', Line 1:
Incorrect syntax near ')'.

I wonder how the return value of ISQL is 0 when i am getting error instead of proper Output.

Can someone help on this?
# 2  
Not tested but try to add retserverror to your isql command:
Code:
isql -Uxyz -SSYB_LOCOMOTIVE_xx -Pabc -Dlmn -w300 -o$sumOfJEOutputFile --retserverror

# 3  
By default it prints the message (server errors) to STDOUT.
You can invoke the isql with --retserverror option enabled to get STDERR.

Code:
isql -Uxyz -SSYB_LOCOMOTIVE_xx -Pabc -Dlmn -w300 -o$sumOfJEOutputFile --retserverror <<EOF

---------- Post updated at 16:27 ---------- Previous update was at 16:23 ----------

Found more info from manual page:

Code:
--retserverror
Forces isql to terminate and return a failure code when it encounters a server error of severity greater than 10. 
When isql encounters this type of abnormal termination, it writes the label “Msg” together with the actual Adaptive Server error number to stderr, 
and returns a value of 2 to the calling program.
isql prints the full server error message to stdout.


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