<p>I have used query in actuate birt dataset i.e. :</p>
<pre class="_prettyXprint">
select * from defualt.test where param1= ? and param2=? </pre>
<p>and passed this two parameter with default values and datatype is string to impala data set and run </p>
<p> </p>
<p>but its fail to run query into impala from actuate birt. i don't no why is any solution?</p>
