SELECT q1.t, data_eventlog.message, q1.dt, data_eventlog.date_time FROM (SELECT cdsem_event_message_idx.message m, cdsem_event_message_idx.date_time dt, data_tool.name t, cdsem_event_message_idx.tool_id tid FROM data_tool, cdsem_event_message_idx WHERE data_tool.id = cdsem_event_message_idx.tool_id AND cdsem_event_message_idx.message_idx = 'ExitingToOn') q1, data_eventlog WHERE data_eventlog.date_time <= q1.dt AND TIMESTAMPDIFF(SECOND, data_eventlog.date_time, q1.dt) < 120 AND data_eventlog.tool_id = q1.tid ORDER BY q1.t, q1.dt, data_eventlog.date_time
What I want to do is output a blank line whenever (q1.t, q1.dt) changes. Is there any way to do that in SQL?
-- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
Dec 18
Rick James RE: blank line when column changes
Dec 18, 2012; 22:48
Rick James
RE: blank line when column changes
Dec 18
Larry Martell Re: blank line when column changes
Dec 18, 2012; 17:52
Larry Martell
Re: blank line when column changes
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