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#Jaspersoft studio query parameter not found how to

In summary, by adding a second parameter to the Jasper Report that performs a conditional string replacement, we can mimick the behaviour of the ADempiere Report Engine and ignore null values as don't care conditions. Otherwise the condition will be true, which will result in no filtering at all, just like in ADempiere's report engine. When you pass the report a value, the value will be used, becoming the where condition for example c_bpartner_id = 1234567.

Ensure the where clause in your query is c_bpartner_id = $P is used for proper string subtitution.

Select a parameter, say C_BPartner_ID, in the Jasper Report where you want to select one or all possible values.

Here are the steps to follow so that a null value parameter behaves the same way in a Jasper Report as in ADempiere's report engine. If you pass a null value as a parameter to a Jasper Report, it will be interpreted in the query as column=null, which is undesirable. The query is performed by the Jasper Report itself, not the ADempiere report engine. After that, building the report is mainly drag-n-drop, write some Java code, setup properties and parameters, and make your report ready. Rather than selecting records with null values in that field, all records are returned. Sometimes the most difficult part to create custom reports using Jaspersoft Studio, is actually to write the query that will fetch the data. ADempiere interprets such empty fields as "don't care" and ignores them by setting the particular SQL where condition to true. If you leave a parameter field empty, ADempiere will pass a null value to the report. When the report is selected in the ADempiere menu, the parameter window opens and allows you to select the parameters. When preparing reports in ADempiere, parameters that are passed to the reports are defined in the Report & Process window.

#Jaspersoft studio query parameter not found how to

You should already understand how to create a Report and Process with parameters in ADempiere and link it to a Jasper Report which uses parameters. You will need to have a report in your database that uses Jasper Reports and that accepts parameters from ADempiere. To fix this, we need a way to communicate the intention that a null value means "I don't care". If you create a parameter in ADempiere to select a date and a matching parameter in your Jasper Report and leave the date blank, the Jasper Report query will look for matches where the date column is null - probably not what you intended.

For example, you may have a report with a date field and you would like the option of selecting a specific date or all dates. This article explains how to create a parameter in a Jasper Reports which will allow you to select specific records or all records in the underlying data. (The original HowTo article was written by by Mario Calderon.) This Wiki is read-only for reference purposes to avoid broken links.