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Executing Stored Procedures

It is possible to invoke stored procedures which combine, input, output and input-output parameters. Let’s see some examples:


       
    
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<!-- invoke a procedure with input parameters -->
<db:stored-procedure config-ref="dbConfig">
    <db:sql>{ call updatePlanetDescription('Venus', :description) }</db:sql>
    <db:input-parameters>
        #[{'description' : payload}]
    </db:input-parameters>
</db:stored-procedure>

<!-- invoke a procedure with input-output parameters -->
<db:stored-procedure config-ref="dbConfig">
  <db:sql>{ call doubleMyInt(:myInt) }</db:sql>
  <db:in-out-parameters>
      <db:in-out-parameter key="myInt" value="3"/>
  </db:in-out-parameters>
</db:stored-procedure>

<!-- invoke a procedure with both input AND output parameters -->
<db:stored-procedure config-ref="dbConfig">
    <db:sql>{ call multiplyInts(:int1, :int2, :result1, :int3, :result2) }</db:sql>
    <db:input-parameters>
        #[{
            'int1' : 3,
            'int2' : 4,
            'int3' : 5
        }]
    </db:input-parameters>
    <db:output-parameters>
        <db:output-parameter key="result1"/>
        <db:output-parameter key="result2"/>
    </db:output-parameters>
</db:stored-procedure>

As you probably figured out by now, all combinations are possible.

After execution, the resulting values of the output and input-output parameters will be available in the operation’s result. Leverage DataSense to help you get them

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