https://dev.mysql.com/doc/refman/8.0/en/group-by-functions.html#function_count-distinct
Use something like count(distinct src) instead of count(*) On Tue, Nov 12, 2019, 07:35 Andre Gronwald <andregronwal...@gmail.com> wrote: > hi, > > we want to extract the information when the most callers are entering > our phone system based on an interval of 15 minutes. this is quite > simple (although not perfect) with > select calldate, count(*) as anzahl from cdr where calldate > > '2019-10-12' group by unix_timestamp(calldate) DIV 900 having ; > > Unfortunately we have lots of callers who calls multiple times when they > are forwarded to a queue instead of being answered by a human > immediately. But to know when we need more people I want to count same > caller-ids within an interval as one call. > > Any ideas how to do this? > > kind regards, > andre > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > Check out the new Asterisk community forum at: > https://community.asterisk.org/ > > New to Asterisk? Start here: > https://wiki.asterisk.org/wiki/display/AST/Getting+Started > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- Check out the new Asterisk community forum at: https://community.asterisk.org/ New to Asterisk? Start here: https://wiki.asterisk.org/wiki/display/AST/Getting+Started asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
