Write, Bureaucrats, Administrators
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Calculation field: Difference between revisions
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== Link to entry == | == Link to entry == | ||
Use the following syntax to get access to the values of entry fields like Link to entry: | Use the following syntax to get access to the values of entry fields like Link to entry: | ||
<source lang="java"> | <source lang="java">#{field_name.child_field_name}</source> | ||
#{field_name.child_field_name} | where ''field_name'' – name of field like Link to the entry, ''child_field_name'' – name of one field of a related entry. | ||
</source> | |||
where field_name – name of field like Link to the entry, child_field_name – name of one field of a related entry. | |||
If a field like Link to the entry contains several links, then use index (starts from zero) to get access to them: | If a field like Link to the entry contains several links, then use index (starts from zero) to get access to them: | ||
<source lang="java"> | <source lang="java">#{field_name@0.child_field_name}, #{field_name@1.child_field_name}, … </source> | ||
#{field_name@0.child_field_name}, #{field_name@1.child_field_name}, … | |||
</source> | |||
You can specify one of the supported aggregation functions instead of the index: | You can specify one of the supported aggregation functions instead of the index: | ||
#{field_name@sum.child_field_name} | <source lang="java">#{field_name@sum.child_field_name}</source> | ||
In addition, the following functions are supported: avg, min, max. | This expression returns the sum of values of field child_field_name for all entries included into field_name. In addition, the following functions are supported: avg, min, max.<br /> | ||
Returns the number of entries in field field_name: | |||
<source lang="java">#{field_name@size}</source> | |||