<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoPlainText, li.MsoPlainText, div.MsoPlainText
{mso-style-priority:99;
mso-style-link:"Nur Text Zchn";
margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
span.E-MailFormatvorlage17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.NurTextZchn
{mso-style-name:"Nur Text Zchn";
mso-style-priority:99;
mso-style-link:"Nur Text";
font-family:"Calibri","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 2.0cm 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hallo,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>ich hole das hier noch einmal vor, da es ziemliche nervt.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm'><p class=MsoNormal style='border:none;padding:0cm'>Via cronjob lasse ich alle 10min eine Aggregation auf die Minute laufen. Bereits vor einigen Wochen ist diese dann plötzlich mit der folgenden Fehlermeldung ausgestiegen:<o:p></o:p></p><p class=MsoNormal style='border:none;padding:0cm'><o:p> </o:p></p></div><p class=MsoPlainText><span lang=EN-US>In AbstractMySQLDriver.php line 128:<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> An exception occurred while executing 'REPLACE INTO aggregate (channel_id,<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> type, timestamp, value, count) SELECT channel_id, ? AS type, MAX(agg.timest<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> amp) AS timestamp, COALESCE( SUM(agg.val_by_time) / (MAX(agg.timestamp) - M<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> IN(agg.prev_timestamp)), AVG(agg.value)) AS value, COUNT(agg.value) AS coun<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> t FROM ( SELECT channel_id, timestamp, value, value * (timestamp - @prev_ti<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> mestamp) AS val_by_time, COALESCE(@prev_timestamp, 0) AS prev_timestamp, @p<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> rev_timestamp := timestamp FROM data CROSS JOIN (SELECT @prev_timestamp :=<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> UNIX_TIMESTAMP(DATE_ADD(FROM_UNIXTIME(MAX(timestamp) / 1000, "%Y-%m-%d %H:%<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> i:00"), INTERVAL 1 minute)) * 1000 FROM aggregate WHERE type = ? AND aggreg<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> ate.channel_id = ?) AS vars WHERE channel_id = ? AND timestamp >= IFNULL((S<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> ELECT UNIX_TIMESTAMP(DATE_ADD(FROM_UNIXTIME(MAX(timestamp) / 1000, "%Y-%m-%<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> d %H:%i:00"), INTERVAL 1 minute)) * 1000 FROM aggregate WHERE type = ? AND<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> aggregate.channel_id = ? ), 0) AND timestamp < UNIX_TIMESTAMP(DATE_FORMAT(N<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> OW(), "%Y-%m-%d %H:%i:00")) * 1000 ) AS agg GROUP BY channel_id, YEAR(FROM_<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> UNIXTIME(timestamp/1000)), DAYOFYEAR(FROM_UNIXTIME(timestamp/1000)), HOUR(F<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> ROM_UNIXTIME(timestamp/1000)), MINUTE(FROM_UNIXTIME(timestamp/1000))' with<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US> params [1, 1, "3", "3", 1, "3"]:<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> SQLSTATE[22012]: Division by zero: 1365 Division by 0<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>In Exception.php line 18:<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US> SQLSTATE[22012]: Division by zero: 1365 Division by 0<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>In PDOStatement.php line 117:<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm'><p class=MsoPlainText style='border:none;padding:0cm'><span lang=EN-US> SQLSTATE[22012]: Division by zero: 1365 Division by 0<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>Die Aggregation auf Stunde und Tag bereitet (bisher) keine Probleme.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Beim letzten Mal hatte ich die Aggregationstabelle gelöscht und neu aufgebaut. Nach einigen Wochen kommt der Fehler nun wieder.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Kann mir jemand erklären wo das Problem liegt? Die Fehlermeldung kann ich nicht interpretieren.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Viele Grüße<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Micha<o:p></o:p></p></div></body></html>