Filter condition for report data. This condition is applied to report data source just before previewing the report to filter the report data. When report data source is a relational database, the filtering is performed by the corresponding database engine; for other data source types, the filtering is performed by Reportizer report engine.
1. When report data source is a relational database, there is an alternative (and more efficient) way to specify a filter condition by using WHERE clause of data source's SQL statement. This alternative way can be used only if your data source is an SQL text (SQL query), not a table name.
2. For non-relational data sources, the filter condition should be Reportizer boolean expression (i.e. expression, which returns TRUE or FALSE), for example: dataset_field_val(1, 'ItemSize') > 1024.
See also Filter Examples.