"Execute stored procedure with Read Database operator"

EMDuellEMDuell Member Posts: 21 Contributor I
edited June 5 in Help
Hello,

I'm attempting to execute a stored procedure with the Read Database operator and I receive an error, saying "executeQuery only accepts the SELECT statement".

Is there a special technique I need to use to pass parameters to a stored procedure so that I can read the results into an example set?  I thought about the the Execute SQL operator, but that won't work.

Thanks for the help..code below.

-Eric

---
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<process version="5.3.015">
 <context>
   <input/>
   <output/>
   <macros/>
 </context>
 <operator activated="true" class="process" compatibility="5.3.015" expanded="true" name="Process">
   <process expanded="true">
     <operator activated="true" class="read_database" compatibility="5.3.015" expanded="true" height="60" name="Read Database" width="90" x="45" y="19">
       <parameter key="connection" value="TestQuery"/>
       <parameter key="query" value="EXEC GetRemainingRequests @Resource=Trends"/>;
       <enumeration key="parameters"/>
     </operator>
     <connect from_op="Read Database" from_port="output" to_port="result 1"/>
     <portSpacing port="source_input 1" spacing="0"/>
     <portSpacing port="sink_result 1" spacing="0"/>
     <portSpacing port="sink_result 2" spacing="0"/>
   </process>
 </operator>
</process>


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Answers

  • BalazsBaranyBalazsBarany Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert Posts: 291   Unicorn
    Does your function return a table structure? If it does, try wrapping it in a SELECT query:

    SELECT *
    FROM (
       EXEC GetRemainingRequests @Resource=Trends
    )

    There is also an Execute SQL operator for calling arbitrary functions but it doesn't return an example set.
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