Bypassing parameters in ireport 5.6.0 - jasper-reports

I created a simple report in i-report and i added a parameter on a field salary. Now every time i click on preview i get the parameter pop-up to filter. And if the value if not correct i get a blank page. Now that's exactly what i was trying to do. However i am wondering if there's a way to enter a certain value in the parameter box to display all records. Any idea if this possible and if yes how? Thank you.
WHERE EMPLOYEES."SALARY" = ${P1}

You need to change your query (lets imagine that SALARY is numeric, Double). to
WHERE EMPLOYEES."SALARY" = $P{parameter1} OR 0=$P{parameter1}
and define your parameter with a defaultValueExpression and set attribute isForPrompting="false"
<parameter name="parameter1" class="java.lang.Double" isForPrompting="false">
<defaultValueExpression><![CDATA[new java.lang.Double(0)]]></defaultValueExpression>
</parameter>
You will see no more prompt and display all data, if SALARY is of other class naturally you need to adjust the example accordingly.

Related

Get a default value of a single select query parameter Jasperserver

I am trying to select a default value in a Jasperserver 8.0.0 dropdown list, the following code gets the dropdown list, the problem is that it changes the default value but it brings me only that default value and the others disappear
SELECT '', pa.attrname
FROM jiprofileattribute pa
WHERE pa.principalobjectclass = 'com.jaspersoft.jasperserver.api.metadata.user.domain.impl.hibernate.RepoUser'
UNION
SELECT pa.attrvalue, pa.attrname
FROM jiprofileattribute pa
WHERE pa.principalobjectclass = 'com.jaspersoft.jasperserver.api.metadata.user.domain.impl.hibernate.RepoUser'
the solution was that in Jasperstudio the attributes should be passed as default parameter, that way it is chosen by default.
<parameter name="LoggedInUserAttributeValues" class="java.util.Collection" isForPrompting="false"/>
<parameter name="AMB" class="java.util.Collection">
<defaultValueExpression><![CDATA[$P{LoggedInUserAttributeValues}]]></defaultValueExpression>
</parameter>

JasperReport table column sum for page

I need TO add a column sum to column footer of table object for each page.
If I create variable and set sum aggregation function than sum value appear for full report. But I need sum column data for each page, not for full report.
Can anyone help me solve this problem?
This is not a solution for the jr:table component since it uses a subdataset where its not allowed to set resetType="Page", but using a subreport it can be used.
I don't think there is a work around in components (jr:table,jr:list) using a subdataset but would be happy If someone can prove me wrong
Solution using subreport
On your variable set resetType="Page"
es.
<variable name="var" class="java.lang.Double" resetType="Page" calculation="Sum"/>
....
</variable>
For more info on resetType see JRVariable API
On your textField set evaluationTime="Page"
es.
<textField evaluationTime="Page">
....
</textField>
For more info on evaluationTime see JRTextField API
In case of Dataset set resetType="Report"

Bind report parameter to a sql output jasper report

I have an existing report which needs to modified a little. Suppose my report query is like
select name,currency,productcode from where name=?
Now this '?' value will come from a report parameter say countryName. That can be done using parameterized query not a problem.
Now what I need is this parameter countryName to get the data from another query like below
select name from countries
In short I want to bind the value of report parameter countryName to the output of the above query and also I want to put this query in report it self.
Using birt its very easy but I want to know is it possible with jasper?
P.S I'm novice in jasper report.
I have tried to give an small scenario to represent my issue. The actual report is much more that this and is very complex.
Any help would be highly appreciated!!
I give you an answer how this can be achieved without passing anything through the parameter map (even if I think the parameter map should be the preferred way, modify your standard module to support parameter map)
You say you will have combobox value with the country name, we need to make it static. (or have a static way to access it, "there can be only one")
Example class of your interface:
package com.your.package;
public class SelectCountryInterface {
private static JComboBox<String> selectCountry;
public static synchronized String getSelectedCountry(){
Object value = selectCountry.getSelectedItem();
if (value instanceof String){
return (String)value;
}
return "";
}
//...Here goes you code to instance and populate the combobox
}
In jasper report (.jrxml)
Define a parameter and set the defaultValueExpression to point at your static method in class, this way it will be initialized with the value that you are providing from your interface class.
<parameter name="country" class="java.lang.String" isForPrompting="false">
<defaultValueExpression><![CDATA[com.your.package.SelectCountryInterface.getSelectedCountry()]]> </defaultValueExpression>
</parameter>
Set the queryString to use your parameter
<queryString>
<![CDATA[select name,currency,productcode from where name=$P{country}]]>
</queryString>

iReport parameter not being informed by field

I am using iReport - my first time using it - and I am trying to make a report that will involve passing a parameter to a subreport. I am not able to get that to work, so I did the following test:
I have a large query that grabs various Fields from my DB - when I preview the report these fields are being pulled and display (over and over, etc., a lot of stuff is being pulled).
I created a new parameter on the main report called "myparam". I made it's default value one of the fields that is being successfully pulled from my DB.
I created a textfield to display this param - the intent being it will echo the field that displays already in my report. If I can get it to do that, I figure I can get it to correctly "plug in" to my subreport.
The issue is - when I preview, I am asked to give the parameter a value - I choose default, which defaults it to the Field I set, which means it should now echo that field (aka I WANT it to echo that field). But it does not echo that field. Instead it just shows null over and over again. Here is a screenshot of what I am talking about
Here is the setup for my report:
Here is proof I've set the default value in my xml:
<parameter name="myparam" class="java.lang.String">
<defaultValueExpression><![CDATA[$F{TCORDERID}]]> </defaultValueExpression>
</parameter>
Here is a snippet of the report which is being generated incorrectly (aka myparam is not getting populated right).
THEY ARE BOTH STRINGS
From my understanding of parameters, they are passed to the report/subreport when it gets created. You have set the default value of the parameter to one of your fields, which has not been populated yet when the report gets generated.
I would suggest adding a simple subreport (which is the reason you want to use parameters anyway), remove the parameter on the main report, and add it to the subreport (with a text field to display it).
Now, add the Parameter to the subreport object in your main report. (This is under the Subreport properties section in iReport.
Name: The name of the Parameter in the subreport.
Expression: The field from your main report that will be passed to the subreport.
So your main report will have the following under the subreport detail:
<subreportParameter name="myparam">
<subreportParameterExpression><![CDATA[$F{TCORDERID}]]></subreportParameterExpression>
</subreportParameter>
And then the Parameter in the subreport:
<parameter name="myparam" class="java.lang.String">
<defaultValueExpression><![CDATA["No result"]]></defaultValueExpression>
</parameter>

How to access input control parameters from Jasper server?

I want to create a jasper report which changes the query and add/removes additional conditons in its where clause based on the input provided by the user in the jasper server.
One option is to sql inject the querystring in the jrxml file, but that looks messy as we may have additional conditions in the where clause which may be added.
The other approach mentioned in this post Dynamic querystring in JRXML seems to be a good one.
I would like to know how can I access the control parameters in the java code passed from jasper server?
Or can I give some kind of conditional logic within the jrxml file? which checks if some of the input controls are empty then assign one query in the queryString variable and another query if other conditions are valid?
Thanks.
Buld a "fake" parameter named P_DYNAMIC_WHERE_CLAUSE, based on your real input parameters. For instance:
<parameter name="PARAM1" class="java.lang.Long">
<parameterDescription><![CDATA[Real query criteria on column1]]></parameterDescription>
</parameter>
...
<parameter name="P_WHERE_CLAUSE_PARAM1" class="java.lang.String" isForPrompting="false">
<parameterDescription><![CDATA[Computed parameter, containing the optional SQL where clause corresponding to parameter PARAM1]]></parameterDescription>
<defaultValueExpression><![CDATA[$P{PARAM1} != null ? " $X{EQUAL, COLUMN1, PARAM1} " : " "]]></defaultValueExpression>
</parameter>
and use the $P!{P_DYNAMIC_WHERE_CLAUSE} syntax in the queryString.
For instance:
<queryString>
<![CDATA[SELECT /* my_jasper_report */ column1
FROM my_table
WHERE (1=1)
$P!{P_DYNAMIC_WHERE_CLAUSE}
]]>
</queryString>