Thank you for you help, but in fact I would like to avoid SQL functions at all. For instance, GROUP_CONCAT or string_agg would be great. I need to manage these data before their way to the HTML template. Moreover, just to clarify my question, neither line_n nor word_position are unique values.

In reply to Re^2: Fetching data from DB and complex data structures by frasco
in thread Fetching data from DB and complex data structures by frasco

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