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3 Commits

Author SHA1 Message Date
Paul Holden 5ec86bf501 MDL-72663 reportbuilder: improvements to column aggregation methods. 
The group concatenation types now consistently sort the returned values
and support aggregating columns containing multiple fields and those
with defined callbacks.
 2021-10-22 16:17:31 +01:00
Paul Holden 16a65f73e7 MDL-72663 reportbuilder: column API changes to improve aggregation. 
Refinements to how columns can be defined in relation to available
aggregation methods:

* Disable aggregation types;
* Set column GROUP BY during aggregation;
* Defer column sorting to that of the aggregation method
 2021-10-22 16:17:17 +01:00
Paul Holden f47e89a9bd MDL-70795 reportbuilder: editor elements to set column aggregation. 
Aggregation of report columns allows the report editor to perform
common types of data aggregation (concatenation, sum, count, etc)
on given columns.
 2021-10-19 13:56:05 +01:00