Syntax To Extract An Array of One Field Value From a Database Query

[bpj]

Sounds like a custom formatter might be the best step forward on this, for now. Feature request in:

Formatter to produce array for IN queries

At the moment, it seems like the best way to produce an array of values from a previous query is to use a combination of formatters (groupyby and keys / join and split). It would be great if there was a native server-side formatter that produced an array of values for a given property parameter.