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Frank McQuillan commented on MADLIB-1016: ----------------------------------------- [~medart] Can you provide the output from : select version(); select madlib.version(); and provide the full error message? Thanks > k-mean & decision Tree don't work because of array_agg in order by clause > ------------------------------------------------------------------------- > > Key: MADLIB-1016 > URL: https://issues.apache.org/jira/browse/MADLIB-1016 > Project: Apache MADlib > Issue Type: Bug > Components: Module: Array Ops > Reporter: medart > > When we try to use k-mean function or decision tree the same error appear. > ERROR: plpy.SPIError: ORDER BY specified, but array_agg is not an ordered > aggregate function (plpython.c:4648) > For information we use Madlib 1.9.1 with Pivotal Greenplum, and we use the > example data as shown in the official documentatio. > The regression work great nad we didint try all the algorithme yet, to see if > the problem apprear in the other methods. > Thank you for your help -- This message was sent by Atlassian JIRA (v6.3.4#6332)