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Oracle help with Linux

Posted on 2015-01-27
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Last Modified: 2015-03-19
Hi ,

I am using Oracle procedures in my shellscript .
Can you advice how to get the return values from the Oracle plsql to proceed further on the shell scripting?
Or in case any error happened during PLSQL , how to get the error code /resturn status and handle the exceptions?

      
Thanks
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Question by:magento
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Expert Comment

by:slightwv (䄆 Netminder)
ID: 40575072
Can you provide more information?

Exceptions are typically handled inside PL/SQL itself.

What are you returning from the procedure?
What are you wanting to do with it once it is returned?
In case of an exception, what do you want the script to do?
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Expert Comment

by:MikeOM_DBA
ID: 40575654
Try something like this:
Result=`sqlplus -s userid/passwd <<EOSQL
var var1 number;
exec myProc( :var1 out number);
print :var1
exit
EOSQL`

Open in new window

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Author Comment

by:magento
ID: 40597768
Hi Mike,

So if i check for return value in line 7 i will get the return status right ...echo $? (0=success other =failure)
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Author Comment

by:magento
ID: 40602054
Hi Slightwv,

Slightwv,

Sorry for late response, i didnt see ur post ...

What are you returning from the procedure?
The returnFlag
What are you wanting to do with it once it is returned?
Based  on returnFlag status need to run the commands
In case of an exception, what do you want the script to do?
It should log the exception and exit .

Thanks
0
 
LVL 76

Expert Comment

by:slightwv (䄆 Netminder)
ID: 40602066
>>The returnFlag

Need more information.  Do you mean the error-code like ORA-00942, teh error message, what?

>>Based  on returnFlag status need to run the commands

What commands?  More PL/SQL code, more Unix commands, what?

>>It should log the exception and exit .

Log how?  In a log file created by the script, in the database, what/where?


The more specific you can be when asking questions, the faster you can get it answered.  We need to know the specifics...
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Author Comment

by:magento
ID: 40602279
Hi,

First apologies about the other question. I do understand that here i am getting help , i was try to make the question visible to some other experts so only posted this . Sorry again.

In the PLSQL , we have return_flag = y and return_flag = n , so how shell script will capture that y/n value.

Based on the y/n , i have to execute Unix commands.

The exception, say "unable to access table" should get logged in the Unix log which i am storing >> /var/log/app/log

Thanks
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Expert Comment

by:slightwv (䄆 Netminder)
ID: 40603115
Did you try the sample provided my Mike in http:#a40575654 ?

The Unix shell variable Result should contain whatever the output parameter of the stored procedure is.
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Author Comment

by:magento
ID: 40607109
No, i didnt try it. I just installed oracle , i will test it and let you know the outcome.
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Author Comment

by:magento
ID: 40613458
Sorry guys, i still not tested this . As i was unable to install the oracle rpm package in ubuntu  since rpm wasnt installed in my machine and i dont have internet access expect i can connect a usb .
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Author Comment

by:magento
ID: 40646085
Hi,

Sorry for the delay.

Its working fine,but the only issue is the output coming as below.

pl/sql procedure completed...............................................123

I want to store only the actual value. I managed to get the value using shell script.
But is there a way to handle the same in oracle ? so i get the output as 123

Thanks
0
 
LVL 29

Expert Comment

by:MikeOM_DBA
ID: 40647084
Do this:
Result=`sqlplus -s userid/passwd <<EOSQL
var var1 number;
exec myProc( :var1 out number);
exit :var1
EOSQL`
return_flag=$?

Open in new window

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Author Comment

by:magento
ID: 40647200
So instead of checking the variable var1 for Y or N, i can check the value for $return_flag=0or not 0 right?
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Expert Comment

by:MikeOM_DBA
ID: 40648025
Or 123
This is unix return code from 0 to 255 only
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Author Comment

by:magento
ID: 40648483
Sorry for confusion , 123 is the value output from stored procedure.
its the value returned from table column which is the output parameter.
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Accepted Solution

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MikeOM_DBA earned 500 total points
ID: 40654205
The "exit :var1" statement will return the the value output from stored procedure as a "Unix" $? return code and must be a number between 0 and 255.
;)
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Author Comment

by:magento
ID: 40677243
Great Mike , thank you so much . Learned pretty much . Thanks again.
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