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Commit a new version of 93_DbLog.pm.
added the get Function with fully functionality of FileLog - column_spec with delta-h/delta-d/int/other regexp added a Postgresql Script to create the tables and indices needed by DbLog git-svn-id: https://svn.fhem.de/fhem/trunk@2175 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
tobiasfaust
parent
0649cf4753
commit
b8278eabb1
@ -1,15 +1,20 @@
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##############################################
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#
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# 93_DbLog.pm
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# written by Dr. Boris Neubert 2007-12-30
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# e-mail: omega at online dot de
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#
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# modified by Tobias Faust 2012-06-26
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# e-mail: tobias dot faust at online dot de
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#
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##############################################
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package main;
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use strict;
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use warnings;
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use DBI;
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use Data::Dumper;
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sub DbLog($$$);
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@ -20,14 +25,15 @@ DbLog_Initialize($)
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{
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my ($hash) = @_;
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$hash->{DefFn} = "DbLog_Define";
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$hash->{UndefFn} = "DbLog_Undef";
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$hash->{DefFn} = "DbLog_Define";
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$hash->{UndefFn} = "DbLog_Undef";
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$hash->{NotifyFn} = "DbLog_Log";
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$hash->{GetFn} = "DbLog_Get";
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$hash->{AttrFn} = "DbLog_Attr";
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$hash->{AttrList} = "disable:0,1";
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}
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#####################################
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###############################################################
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sub
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DbLog_Define($@)
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{
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@ -43,7 +49,7 @@ DbLog_Define($@)
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return "Bad regexp: $@" if($@);
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$hash->{REGEXP} = $regexp;
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$hash->{configuration}= $a[2];
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$hash->{CONFIGURATION}= $a[2];
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return "Can't connect to database." if(!DbLog_Connect($hash));
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@ -62,6 +68,11 @@ DbLog_Undef($$)
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return undef;
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}
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################################################################
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#
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# Wird bei jeder ?nderung eines Attributes dieser
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# DbLog-Instanz aufgerufen
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#
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################################################################
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sub
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DbLog_Attr(@)
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@ -80,6 +91,10 @@ DbLog_Attr(@)
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return undef;
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}
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################################################################
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#
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# Parsefunktion, abh?ngig vom Devicetyp
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#
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################################################################
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sub
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DbLog_ParseEvent($$)
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@ -130,8 +145,8 @@ DbLog_ParseEvent($$)
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$value= $parts[1];
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$unit= "";
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}
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if($reading =~ m(-temp)) { $value=~ s/ \(Celsius\)//; $unit= "°C"; }
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if($reading =~ m(temp-offset)) { $value=~ s/ \(Celsius\)//; $unit= "°C"; }
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if($reading =~ m(-temp)) { $value=~ s/ \(Celsius\)//; $unit= "?C"; }
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if($reading =~ m(temp-offset)) { $value=~ s/ \(Celsius\)//; $unit= "?C"; }
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if($reading =~ m(^actuator[0-9]*)) {
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if($value eq "lime-protection") {
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$reading= "actuator-lime-protection";
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@ -175,7 +190,7 @@ DbLog_ParseEvent($$)
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if($event =~ m(T:.*)) { $reading= "data"; $value= $event; }
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if($event =~ m(avg_day)) { $reading= "data"; $value= $event; }
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if($event =~ m(avg_month)) { $reading= "data"; $value= $event; }
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if($reading eq "temperature") { $value=~ s/ \(Celsius\)//; $unit= "°C"; }
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if($reading eq "temperature") { $value=~ s/ \(Celsius\)//; $unit= "?C"; }
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if($reading eq "wind") { $value=~ s/ \(km\/h\)//; $unit= "km/h"; }
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if($reading eq "rain") { $value=~ s/ \(l\/m2\)//; $unit= "l/m2"; }
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if($reading eq "rain_raw") { $value=~ s/ \(counter\)//; $unit= ""; }
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@ -189,7 +204,7 @@ DbLog_ParseEvent($$)
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# HMS
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elsif($type eq "HMS") {
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if($event =~ m(T:.*)) { $reading= "data"; $value= $event; }
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if($reading eq "temperature") { $value=~ s/ \(Celsius\)//; $unit= "°C"; }
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if($reading eq "temperature") { $value=~ s/ \(Celsius\)//; $unit= "?C"; }
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if($reading eq "humidity") { $value=~ s/ \(\%\)//; $unit= "%"; }
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if($reading eq "battery") {
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$value=~ s/ok/1/;
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@ -201,18 +216,24 @@ DbLog_ParseEvent($$)
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# CUL_WS
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elsif($type eq "CUL_WS") {
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if($event =~ m(T:.*)) { $reading= "data"; $value= $event; }
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if($reading eq "temperature") { $unit= "°C"; }
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if($reading eq "temperature") { $unit= "?C"; }
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if($reading eq "humidity") { $unit= "%"; }
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}
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# BS
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elsif($type eq "BS") {
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if($event =~ m(brightness:.*)) {
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@parts= split(/ /,$event);
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$reading= "lux";
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$value= $parts[4]*1.;
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$unit= "lux";
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}
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if($event =~ m(brightness:.*)) {
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@parts= split(/ /,$event);
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$reading= "lux";
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$value= $parts[4]*1.;
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$unit= "lux";
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}
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}
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# Default
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else {
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$reading= "data";
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$value= $event;
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}
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@result= ($reading,$value,$unit);
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@ -220,6 +241,11 @@ DbLog_ParseEvent($$)
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}
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################################################################
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#
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# Hauptroutine zum Loggen. Wird bei jedem Eventchange
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# aufgerufen
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#
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################################################################
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sub
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DbLog_Log($$)
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@ -227,9 +253,11 @@ DbLog_Log($$)
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# Log is my entry, Dev is the entry of the changed device
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my ($log, $dev) = @_;
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return undef if($log->{STATE} eq "disabled");
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# name and type required for parsing
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my $n= $dev->{NAME};
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my $t= $dev->{TYPE};
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my $t= uc($dev->{TYPE});
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# timestamp in SQL format YYYY-MM-DD hh:mm:ss
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#my ($sec,$min,$hr,$day,$mon,$yr,$wday,$yday,$isdst)= localtime(time);
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@ -251,8 +279,9 @@ DbLog_Log($$)
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my $unit= $r[2];
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if(!defined $reading) { $reading= ""; }
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if(!defined $value) { $value= ""; }
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if(!defined $unit) { $unit= ""; }
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if(!defined $unit || $unit eq "") {
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$unit = AttrVal("$n", "unit", "");
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}
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my $is= "(TIMESTAMP, DEVICE, TYPE, EVENT, READING, VALUE, UNIT) VALUES " .
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"('$ts', '$n', '$t', '$s', '$reading', '$value', '$unit')";
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@ -261,20 +290,59 @@ DbLog_Log($$)
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DbLog_ExecSQL($log, "INSERT INTO current" . $is);
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}
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}
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return "";
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}
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################################################################
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#
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# zerlegt ?bergebenes FHEM-Datum in die einzelnen Bestandteile
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# und f?gt noch Defaultwerte ein
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#
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################################################################
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sub
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DbLog_explode_datetime($%) {
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my ($t, %def) = @_;
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my %retv;
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my (@datetime, @date, @time);
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@datetime = split("_", $t); #Datum und Zeit auftrennen
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@date = split("-", $datetime[0]);
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@time = split(":", $datetime[1]) if ($datetime[1]);
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if ($date[0]) {$retv{year} = $date[0];} else {$retv{year} = $def{year};}
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if ($date[1]) {$retv{month} = $date[1];} else {$retv{month} = $def{month};}
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if ($date[2]) {$retv{day} = $date[2];} else {$retv{day} = $def{day};}
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if ($time[0]) {$retv{hour} = $time[0];} else {$retv{hour} = $def{hour};}
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if ($time[1]) {$retv{minute}= $time[1];} else {$retv{minute}= $def{minute};}
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if ($time[2]) {$retv{second}= $time[2];} else {$retv{second}= $def{second};}
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$retv{datetime}=DbLog_implode_datetime($retv{year}, $retv{month}, $retv{day}, $retv{hour}, $retv{minute}, $retv{second});
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#Log 1, Dumper(%retv);
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return %retv
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}
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sub
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DbLog_implode_datetime($$$$$$) {
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my ($year, $month, $day, $hour, $minute, $second) = @_;
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my $retv = $year."-".$month."-".$day."_".$hour.":".$minute.":".$second;
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return $retv;
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}
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################################################################
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#
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# Verbindung zur DB aufbauen
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#
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################################################################
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sub
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DbLog_Connect($)
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{
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my ($hash)= @_;
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my $configfilename= $hash->{configuration};
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my $configfilename= $hash->{CONFIGURATION};
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if(!open(CONFIG, $configfilename)) {
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Log 1, "Cannot open database configuration file $configfilename.";
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return 0; }
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@ -288,17 +356,38 @@ DbLog_Connect($)
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my $dbuser= $dbconfig{user};
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my $dbpassword= $dbconfig{password};
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#check the database model
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if($dbconn =~ m/pg:/i) {
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$hash->{DBMODEL}="POSTGRESQL";
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} elsif ($dbconn =~ m/mysql:/i) {
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$hash->{DBMODEL}="MYSQL";
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} elsif ($dbconn =~ m/oracle:/i) {
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$hash->{DBMODEL}="ORACLE";
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} else {
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$hash->{DBMODEL}="unknown";
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Log 3, "Unknown dbmodel type in configuration file $configfilename.";
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Log 3, "Only Mysql, Postgresql, Oracle is currently supported.";
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Log 3, "Otherwise please check the connectstring: $dbconn";
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return 0;
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}
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Log 3, "Connecting to database $dbconn with user $dbuser";
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my $dbh = DBI->connect_cached("dbi:$dbconn", $dbuser, $dbpassword);
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if(!$dbh) {
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Log 1, "Can't connect to $dbconn: $DBI::errstr";
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Log 3, "Can't connect to $dbconn: $DBI::errstr";
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return 0;
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}
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Log 3, "Connection to db $dbconn established";
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$hash->{DBH}= $dbh;
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return 1;
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}
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################################################################
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#
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# Prozeduren zum Ausf?hren des SQL?s
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#
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################################################################
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sub
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DbLog_ExecSQL1($$)
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@ -310,7 +399,7 @@ DbLog_ExecSQL1($$)
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Log 2, "DBLog error: " . $DBI::errstr;
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return 0;
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}
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return 1;
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return $sth;
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}
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sub
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@ -320,7 +409,8 @@ DbLog_ExecSQL($$)
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Log 5, "Executing $sql";
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my $dbh= $hash->{DBH};
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if(!DbLog_ExecSQL1($dbh,$sql)) {
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my $sth = DbLog_ExecSQL1($dbh,$sql);
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if(!$sth) {
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#retry
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$dbh->disconnect();
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if(!DbLog_Connect($hash)) {
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@ -328,14 +418,383 @@ DbLog_ExecSQL($$)
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return 0;
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}
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$dbh= $hash->{DBH};
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if(!DbLog_ExecSQL1($dbh,$sql)) {
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$sth = DbLog_ExecSQL1($dbh,$sql);
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if(!$sth) {
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Log 2, "DBLog retry failed.";
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return 0;
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}
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Log 2, "DBLog retry ok.";
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}
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return 1;
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return $sth;
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}
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################################################################
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#
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# GET Funktion
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# wird zb. zur Generierung der Plots implizit aufgerufen
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#
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################################################################
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sub
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DbLog_Get($@)
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{
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my ($hash, @a) = @_;
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return "Usage: get $a[0] <infile> <outfile> <from> <to> <column_spec>...\n".
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" where column_spec is <device>:<reading>:<default>:<fn>\n" .
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" see the #DbLog entries in the .gplot files\n" .
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" <infile> is not used, only for compatibility for FileLog, please use - \n" .
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" <outfile> is a prefix, - means stdout\n"
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if(int(@a) < 5);
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shift @a;
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my $inf = shift @a;
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my $outf = shift @a;
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my $from = shift @a;
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my $to = shift @a; # Now @a contains the list of column_specs
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my ($internal, @fld);
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if($outf eq "INT") {
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$outf = "-";
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$internal = 1;
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}
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my @readings = ();
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my (%sqlspec, %from_datetime, %to_datetime);
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#uebergebenen Timestamp anpassen
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#m?gliche Formate: YYYY | YYYY-MM | YYYY-MM-DD | YYYY-MM-DD_HH24
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%from_datetime = DbLog_explode_datetime($from, DbLog_explode_datetime("2000-01-01_00:00:00", undef));
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%to_datetime = DbLog_explode_datetime($to, DbLog_explode_datetime("2099-31-12_23:59:59", undef));
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$from = $from_datetime{datetime};
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$to = $to_datetime{datetime};
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my ($retval,$sql_timestamp,$sql_dev,$sql_reading,$sql_value) = "";
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my $writeout = 0;
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my (@min, @max, @sum, @cnt, @lastv, @lastd);
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my (%tstamp, %lasttstamp, $out_tstamp, $out_value, $minval, $maxval); #fuer delta-h/d Berechnung
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#extract the Device:Reading arguments into @readings array
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for(my $i = 0; $i < int(@a); $i++) {
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@fld = split(":", $a[$i], 4);
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$readings[$i][0] = $fld[0];
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$readings[$i][1] = $fld[1];
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$readings[$i][2] = $fld[2];
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$readings[$i][3] = $fld[3];
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}
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my $dbh= $hash->{DBH};
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#vorbereiten der DB-Abfrage, DB-Modell-abh?ngig
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if ($hash->{DBMODEL} eq "POSTGRESQL") {
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$sqlspec{get_timestamp} = "TO_CHAR(TIMESTAMP, 'YYYY-MM-DD_HH24:MI:SS')";
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$sqlspec{from_timestamp} = "TO_TIMESTAMP('$from', 'YYYY-MM-DD_HH24:MI:SS')";
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$sqlspec{to_timestamp} = "TO_TIMESTAMP('$to', 'YYYY-MM-DD_HH24:MI:SS')";
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} elsif ($hash->{DBMODEL} eq "ORACLE") {
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$sqlspec{get_timestamp} = "TO_CHAR(TIMESTAMP, 'YYYY-MM-DD_HH24:MI:SS')";
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$sqlspec{from_timestamp} = "TO_TIMESTAMP('$from', 'YYYY-MM-DD_HH24:MI:SS')";
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$sqlspec{to_timestamp} = "TO_TIMESTAMP('$to', 'YYYY-MM-DD_HH24:MI:SS')";
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} elsif ($hash->{DBMODEL} eq "MYSQL") {
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$sqlspec{get_timestamp} = "DATE_FORMAT(TIMESTAMP, '%Y-%m-%d_%H:%i:%s')";
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$sqlspec{from_timestamp} = "STR_TO_DATE('$from', '%Y-%m-%d_%H:%i:%s')";
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$sqlspec{to_timestamp} = "STR_TO_DATE('$to', '%Y-%m-%d_%H:%i:%s')";
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}
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for(my $i=0; $i<int(@readings); $i++) {
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# ueber alle Readings
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# Variablen initialisieren
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$min[$i] = 999999;
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$max[$i] = -999999;
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$sum[$i] = 0;
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$cnt[$i] = 0;
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$lastv[$i] = 0;
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$lastd[$i] = "undef";
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$minval = 999999;
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$maxval = -999999;
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my $stm= "SELECT
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$sqlspec{get_timestamp},
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DEVICE,
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READING,
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VALUE
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FROM history
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WHERE 1=1
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AND (DEVICE || '|' || READING) = ('".@readings[$i]->[0]."|".@readings[$i]->[1]."')
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AND TIMESTAMP > $sqlspec{from_timestamp}
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AND TIMESTAMP < $sqlspec{to_timestamp}
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ORDER BY TIMESTAMP";
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Log 4, "DbLog: Execute Statement to Database:";
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Log 4, $stm;
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my $sth= $dbh->prepare($stm) ||
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return "Cannot prepare statement $stm: $DBI::errstr";
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my $rc= $sth->execute() ||
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return "Cannot execute statement $stm: $DBI::errstr";
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while( ($sql_timestamp,$sql_dev,$sql_reading,$sql_value)= $sth->fetchrow_array) {
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$writeout = 0;
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$out_value = "";
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$out_tstamp = "";
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############ Auswerten des 4. Parameters: function ###################
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if(@readings[$i]->[3] eq "int") {
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#nur den integerwert ?bernehmen falls zb value=15?C
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$out_value = $1 if($sql_value =~ m/^(\d+).*/o);
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$out_tstamp = $sql_timestamp;
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$writeout=1;
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} elsif (@readings[$i]->[3] =~ m/^int(\d+).*/o) {
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#?bernehme den Dezimalwert mit den angegebenen Stellen an Nachkommastellen
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$out_value = $1 if($sql_value =~ m/^([-\.\d]+).*/o);
|
||||
$out_tstamp = $sql_timestamp;
|
||||
$writeout=1;
|
||||
|
||||
} elsif (@readings[$i]->[3] eq "delta-h") {
|
||||
#Berechnung eines Stundenwertes
|
||||
%tstamp = DbLog_explode_datetime($sql_timestamp, undef);
|
||||
if($lastd[$i] eq "undef") {
|
||||
%lasttstamp = DbLog_explode_datetime($sql_timestamp, undef);
|
||||
} else {
|
||||
%lasttstamp = DbLog_explode_datetime($lastd[$i], undef);
|
||||
}
|
||||
if("$tstamp{hour}" ne "$lasttstamp{hour}") {
|
||||
# Aenderung der stunde, Berechne Delta
|
||||
$out_value = sprintf("%0.1f", $maxval - $minval);
|
||||
$out_tstamp = DbLog_implode_datetime($lasttstamp{year}, $lasttstamp{month}, $lasttstamp{day}, $lasttstamp{hour}, "30", "00");
|
||||
$minval = 999999;
|
||||
$maxval = -999999;
|
||||
$writeout=1;
|
||||
}
|
||||
} elsif (@readings[$i]->[3] eq "delta-d") {
|
||||
#Berechnung eines Tageswertes
|
||||
%tstamp = DbLog_explode_datetime($sql_timestamp, undef);
|
||||
if($lastd[$i] eq "undef") {
|
||||
%lasttstamp = DbLog_explode_datetime($sql_timestamp, undef);
|
||||
} else {
|
||||
%lasttstamp = DbLog_explode_datetime($lastd[$i], undef);
|
||||
}
|
||||
if("$tstamp{day}" ne "$lasttstamp{day}") {
|
||||
# Aenderung des Tages, Berechne Delta
|
||||
$out_value = sprintf("%0.1f", $maxval - $minval);
|
||||
$out_tstamp = DbLog_implode_datetime($lasttstamp{year}, $lasttstamp{month}, $lasttstamp{day}, "00", "00", "00");
|
||||
$minval = 999999;
|
||||
$maxval = -999999;
|
||||
$writeout=1;
|
||||
}
|
||||
} elsif(@readings[$i]->[3]) {
|
||||
#evaluate
|
||||
my $value = $sql_value;
|
||||
$out_value = eval("@readings[$i]->[3]");
|
||||
if($@) {Log 3, "DbLog: Fehler in der ?bergebenen Funktion: <".@readings[$i]->[3].">, Fehler: $@";}
|
||||
$out_tstamp = $sql_timestamp;
|
||||
$writeout=1;
|
||||
} else {
|
||||
$out_value = $sql_value;
|
||||
$out_tstamp = $sql_timestamp;
|
||||
$writeout=1;
|
||||
}
|
||||
|
||||
###################### Ausgabe ###########################
|
||||
$retval .= "$out_tstamp $out_value\n" if($writeout);
|
||||
|
||||
if(defined($sql_value) || $sql_value =~ m/^[-\.\d]+$/o){
|
||||
#nur setzen wenn nummerisch
|
||||
$min[$i] = $sql_value if($sql_value < $min[$i]);
|
||||
$max[$i] = $sql_value if($sql_value > $max[$i]);;
|
||||
$sum[$i] += $sql_value;
|
||||
$minval = $sql_value if($sql_value < $minval);
|
||||
$maxval = $sql_value if($sql_value > $maxval);
|
||||
} else {
|
||||
$min[$i] = 0;
|
||||
$max[$i] = 0;
|
||||
$sum[$i] = 0;
|
||||
$minval = 0;
|
||||
$maxval = 0;
|
||||
}
|
||||
$cnt[$i]++;
|
||||
$lastv[$i] = $sql_value;
|
||||
$lastd[$i] = $sql_timestamp;
|
||||
|
||||
} #while fetchrow
|
||||
|
||||
######## den letzten Abschlusssatz rausschreiben ##########
|
||||
if(@readings[$i]->[3] eq "delta-h" || @readings[$i]->[3] eq "delta-d") {
|
||||
$out_value = sprintf("%0.1f", $maxval - $minval);
|
||||
$out_tstamp = DbLog_implode_datetime($lasttstamp{year}, $lasttstamp{month}, $lasttstamp{day}, $lasttstamp{hour}, "30", "00") if(@readings[$i]->[3] eq "delta-h");
|
||||
$out_tstamp = DbLog_implode_datetime($lasttstamp{year}, $lasttstamp{month}, $lasttstamp{day}, "00", "00", "00") if(@readings[$i]->[3] eq "delta-d");
|
||||
$retval .= "$out_tstamp $out_value\n";
|
||||
}
|
||||
# DatenTrenner setzen
|
||||
$retval .= "#@readings[$i]->[0]:@readings[$i]->[1]:@readings[$i]->[2]:@readings[$i]->[3]\n";
|
||||
} #for @readings
|
||||
|
||||
#Ueberfuehren der gesammelten Werte in die globale Variable %data
|
||||
for(my $j=0; $j<int(@readings); $j++) {
|
||||
my $k = $j+1;
|
||||
$data{"min$k"} = $min[$j] == 999999 ? "undef" : $min[$j];
|
||||
$data{"max$k"} = $max[$j] == -999999 ? "undef" : $max[$j];
|
||||
$data{"avg$k"} = $cnt[$j] ? sprintf("%0.1f", $sum[$j]/$cnt[$j]) : "undef";
|
||||
$data{"sum$k"} = $sum[$j];
|
||||
$data{"cnt$k"} = $cnt[$j] ? $cnt[$j] : "undef";
|
||||
$data{"currval$k"} = $lastv[$j];
|
||||
$data{"currdate$k"} = $lastd[$j];
|
||||
}
|
||||
|
||||
if($internal) {
|
||||
$internal_data = \$retval;
|
||||
return undef;
|
||||
}
|
||||
return $retval;
|
||||
}
|
||||
################################################################
|
||||
|
||||
|
||||
# reload 93_DbLog.pm
|
||||
# get DbLog_Bewaesserung - - 2012-06-22 2012-06-23 KS300:temperature:: KS300:humidity::
|
||||
# get DbLog - - 2012-11-10_10 2012-11-10_20 KS300:rain:0:delta-h
|
||||
# http://tulpemd.dyndns.org/fhem?cmd=showlog weblink_Bodenfeuchte_1 DbLog_Bodenfeuchte myDbLogtest null
|
||||
#
|
||||
# FileLog
|
||||
# get FileLog_KS300 KS300-2012-11.log - 2012-11-10 2012-11-22 10:IR\x3a:0:delta-d
|
||||
|
||||
1;
|
||||
|
||||
=pod
|
||||
=begin html
|
||||
<a name="DbLog"></a>
|
||||
<h3>DbLog</h3>
|
||||
<ul>
|
||||
<br>
|
||||
|
||||
<a name="DbLogdefine"></a>
|
||||
<b>Define</b>
|
||||
<ul>
|
||||
<code>define <name> DbLog <configfilename> <regexp></code>
|
||||
<br><br>
|
||||
|
||||
Log events to a database. The database connection is defined in
|
||||
<code><configfilename></code> (see sample configuration file
|
||||
<code>db.conf</code>). The configuration is stored in a separate file
|
||||
to avoid storing the password in the main configuration file and to have it
|
||||
visible in the output of the <a href="../docs/commandref.html#list">list</a> command.
|
||||
<br><br>
|
||||
|
||||
You must have <code>93_DbLog.pm</code> in the <code>FHEM</code> subdirectory
|
||||
to make this work. Additionally, the modules <code>DBI</code> and
|
||||
<code>DBD::<dbtype></code> need to be installed (use
|
||||
<code>cpan -i <module></code> if your distribution does not have it).
|
||||
<br><br>
|
||||
|
||||
<code><regexp></code> is the same as in <a href="../docs/commandref.html#FileLog">FileLog</a>.
|
||||
<br><br>
|
||||
Sample code to create a MySQL database is in <code>fhemdb_create.sql</code>.
|
||||
The database contains two tables: <code>current</code> and
|
||||
<code>history</code>. The latter contains all events whereas the former only
|
||||
contains the last event for any given reading and device.
|
||||
The columns have the following meaning:
|
||||
<ol>
|
||||
|
||||
<li>TIMESTAMP: timestamp of event, e.g. <code>2007-12-30 21:45:22</code></li>
|
||||
<li>DEVICE: device name, e.g. <code>Wetterstation</code></li>
|
||||
<li>TYPE: device type, e.g. <code>KS300</code></li>
|
||||
<li>EVENT: event specification as full string,
|
||||
e.g. <code>humidity: 71 (%)</code></li>
|
||||
<li>READING: name of reading extracted from event,
|
||||
e.g. <code>humidity</code></li>
|
||||
|
||||
<li>VALUE: actual reading extracted from event,
|
||||
e.g. <code>71</code></li>
|
||||
<li>UNIT: unit extracted from event, e.g. <code>%</code></li>
|
||||
</ol>
|
||||
The content of VALUE is optimized for automated post-processing, e.g.
|
||||
<code>yes</code> is translated to <code>1</code>
|
||||
<br><br>
|
||||
The current values can be retrieved by the following code like FileLog:<br>
|
||||
<ul>
|
||||
<code>get myDbLog - - 2012-11-10 2012-11-10 KS300:temperature::</code>
|
||||
</ul>
|
||||
<br><br>
|
||||
<b>Examples:</b>
|
||||
<ul>
|
||||
<code># log everything to database</code><br>
|
||||
|
||||
<code>define myDbLog DbLog /etc/fhem/db.conf .*:.*</code>
|
||||
</ul>
|
||||
</ul>
|
||||
|
||||
|
||||
<a name="DbLogset"></a>
|
||||
<b>Set</b> <ul>N/A</ul><br>
|
||||
|
||||
<a name="DbLogget"></a>
|
||||
<b>Get</b>
|
||||
<ul>
|
||||
<code>get <name> <infile> <outfile> <from>
|
||||
<to> <column_spec> </code>
|
||||
<br><br>
|
||||
Read data from the Database, used by frontends to plot data without direct
|
||||
access to the Database.<br>
|
||||
|
||||
<ul>
|
||||
<li><infile><br>
|
||||
A dummy parameter for FileLog compatibility. Always set to <code>-</code></li>
|
||||
<li><outfile><br>
|
||||
A dummy parameter for FileLog compatibility. Always set to <code>-</code></li>
|
||||
<li><from> / <to><br>
|
||||
Used to select the data. Please use the following timeformat or
|
||||
an initial substring of it:<br>
|
||||
<ul><code>YYYY-MM-DD_HH24:MI:SS</code></ul></li>
|
||||
<li><column_spec><br>
|
||||
For each column_spec return a set of data separated by
|
||||
a comment line on the current connection.<br>
|
||||
Syntax: <device>:<reading>:<default>:<fn><br>
|
||||
<ul>
|
||||
<li><device><br>
|
||||
The name of the device. Case sensitive</li>
|
||||
<li><reading><br>
|
||||
The reading of the given device to select. Case sensitive.
|
||||
</li>
|
||||
<li><default><br>
|
||||
no implemented yet
|
||||
</li>
|
||||
<li><fn>
|
||||
One of the following:
|
||||
<ul>
|
||||
<li>int<br>
|
||||
Extract the integer at the beginning of the string. Used e.g.
|
||||
for constructs like 10%</li>
|
||||
<li>int<digit><br>
|
||||
Extract the decimal digits including negative character and
|
||||
decimal point at the beginning og the string. Used e.g.
|
||||
for constructs like 15.7°C</li>
|
||||
<li>delta-h or delta-d<br>
|
||||
Return the delta of the values for a given hour or a given day.
|
||||
Used if the column contains a counter, as is the case for the
|
||||
KS300 rain column.</li>
|
||||
<li>everything else<br>
|
||||
The string is evaluated as a perl expression. $value is the
|
||||
current value returned from the Database. Note: The string/perl
|
||||
expression cannot contain spaces, as the part after the space
|
||||
will be considered as the next column_spec.</li>
|
||||
</ul></li>
|
||||
</ul></li>
|
||||
</ul>
|
||||
<br><br>
|
||||
Example:
|
||||
<ul>
|
||||
<li><code>get myDbLog - - 2012-11-10 2012-11-20 KS300:temperature::</code></li>
|
||||
<li><code>get myDbLog - - 2012-11-10_10 2012-11-10_20 KS300:temperature::int1</code><br>
|
||||
like from 10am until 20pm at 10.11.2012</li>
|
||||
<li><code>get myDbLog - - 2012-11-10 2012-11-20 KS300:temperature::</code></li>
|
||||
<li><code>get myDbLog - - 2012-11-10 2012-11-20 KS300:temperature:: KS300:rain::delta-h KS300:rain::delta-d</code></li>
|
||||
<li><code>get myDbLog - - 2012-11-10 2012-11-20 MyDummy:data::$value=~"on"?1:0</code></li>
|
||||
</ul>
|
||||
<br><br>
|
||||
</ul>
|
||||
|
||||
<a name="DbLogattr"></a>
|
||||
<b>Attributes</b> <ul>N/A</ul><br>
|
||||
|
||||
</ul>
|
||||
|
||||
|
||||
=end html
|
||||
=cut
|
||||
Loading…
x
Reference in New Issue
Block a user