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93_DbLog: Support of utf8mb4 collation, minor fixes
git-svn-id: https://svn.fhem.de/fhem/trunk@27243 2b470e98-0d58-463d-a4d8-8e2adae1ed80
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nasseeder1
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@ -1,5 +1,6 @@
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# Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
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# Do not insert empty lines here, update check depends on it.
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- feature: 93_DbLog: Support of utf8mb4 collation, minor fixes
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- feature: 49_SSCam: Telegram send attributes: new key option => silent,
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peer can be fetched from r:<reading>
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- feature: 72_FRITZBOX: Anzeigen aus luaInfo verschönert
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@ -38,6 +38,9 @@ no if $] >= 5.017011, warnings => 'experimental::smartmatch';
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# Version History intern by DS_Starter:
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my %DbLog_vNotesIntern = (
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"5.8.1" => "13.02.2023 change field type of DbLogInclude, DbLogExclude to textField-long, configCheck evaluate collation ".
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"_DbLog_SBP_connectDB: UTF8 -> evaluate DB character/collation set and use it for ".
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"setting names connection collation ",
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"5.8.0" => "30.01.2023 new Get menu for a selection of getters, fix creation of new subprocess during shutdown sequence ",
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"5.7.0" => "25.01.2023 send Log3() data back ro parent process, improve _DbLog_dbReadings function ",
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"5.6.2" => "22.01.2023 check Syntax of DbLogValueFn attribute with Log output, Forum:#131777 ",
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@ -201,8 +204,8 @@ sub DbLog_Initialize {
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"verbose4Devs ".
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$readingFnAttributes;
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addToAttrList("DbLogInclude");
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addToAttrList("DbLogExclude");
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addToAttrList("DbLogInclude:textField-long");
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addToAttrList("DbLogExclude:textField-long");
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addToAttrList("DbLogValueFn:textField-long");
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$hash->{FW_detailFn} = "DbLog_fhemwebFn";
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@ -1339,7 +1342,7 @@ sub DbLog_Log {
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$DoIt = 1 if($DbLogSelectionMode =~ m/Exclude/ );
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if($DbLogExclude && $DbLogSelectionMode =~ m/Exclude/) { # Bsp: "(temperature|humidity):300,battery:3600:force"
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my @v1 = split(/,/, $DbLogExclude);
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my @v1 = DbLog_attrLong2Array ($DbLogExclude, ',');
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for (my $i = 0; $i < int(@v1); $i++) {
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my @v2 = split /:/, $v1[$i];
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@ -1363,7 +1366,7 @@ sub DbLog_Log {
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# Im Endeffekt genau die gleiche Pruefung, wie fuer DBLogExclude, lediglich mit umgegkehrtem Ergebnis.
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if($DoIt == 0) {
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if($DbLogInclude && ($DbLogSelectionMode =~ m/Include/)) {
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my @v1 = split /,/, $DbLogInclude;
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my @v1 = DbLog_attrLong2Array ($DbLogInclude, ',');
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for (my $i = 0; $i < int(@v1); $i++) {
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my @v2 = split /:/, $v1[$i];
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@ -1855,16 +1858,20 @@ sub _DbLog_checkDefMinInt {
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return $DoIt if(!$defminint); # Attribut "defaultMinInterval" nicht im DbLog gesetzt -> kein ToDo
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my $DbLogExclude = AttrVal ($dev_name, "DbLogExclude", undef);
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$DbLogExclude = join ",", DbLog_attrLong2Array ($DbLogExclude, ',');
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my $DbLogInclude = AttrVal ($dev_name, "DbLogInclude", undef);
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$DbLogInclude = join ",", DbLog_attrLong2Array ($DbLogInclude, ',');
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$defminint =~ s/[\s\n]/,/g;
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my @adef = split(/,/, $defminint);
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my @adef = split /,/, $defminint;
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my $inex = ($DbLogExclude ? $DbLogExclude."," : "").($DbLogInclude ? $DbLogInclude : "");
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if($inex) { # Quelldevice hat DbLogExclude und/oder DbLogInclude gesetzt
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my @ie = split(/,/, $inex);
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my @ie = split /,/, $inex;
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for (my $k = 0; $k < int(@ie); $k++) { # Bsp. für das auszuwertende Element
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my @rif = split(/:/, $ie[$k]); # "(temperature|humidity):300:force"
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my @rif = split /:/, $ie[$k]; # "(temperature|humidity):300:force"
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if($reading =~ m,^$rif[0]$, && $rif[1]) { # aktuelles Reading matcht auf Regexp und minInterval ist angegeben
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return $DoIt; # Reading wurde bereits geprüft -> kein Überschreiben durch $defminint
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@ -1873,7 +1880,7 @@ sub _DbLog_checkDefMinInt {
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}
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for (my $l = 0; $l < int(@adef); $l++) {
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my @adefelem = split("::", $adef[$l]); # Bsp. für ein defaulMInInterval Element:
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my @adefelem = split "::", $adef[$l]; # Bsp. für ein defaulMInInterval Element:
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my @dvs = devspec2array ($adefelem[0]); # device::interval[::force]
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if(@dvs) {
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@ -2597,8 +2604,27 @@ sub _DbLog_SBP_connectDB {
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if($utf8) {
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if($model eq "MYSQL") {
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$dbh->{mysql_enable_utf8} = 1;
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($err, undef) = _DbLog_SBP_dbhDo ($name, $dbh, 'set names "UTF8"', $subprocess);
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($err, my @se) = _DbLog_prepExecQueryOnly ($name, $dbh, "SHOW VARIABLES LIKE 'collation_database'");
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return ($err, q{}) if($err);
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my $dbcharset = @se ? $se[1] : 'noresult';
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_DbLog_SBP_Log3Parent ( { name => $name,
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level => 4,
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msg => qq(Database Character set is >$dbcharset<),
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oper => 'log3parent',
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subprocess => $subprocess
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}
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);
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if ($dbcharset !~ /noresult|ucs2|utf16|utf32/ixs) { # Impermissible Client Character Sets -> https://dev.mysql.com/doc/refman/8.0/en/charset-connection.html
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my $collation = $dbcharset;
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$dbcharset = (split '_', $collation, 2)[0];
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($err, undef) = _DbLog_SBP_dbhDo ($name, $dbh, qq(set names "$dbcharset" collate "$collation"), $subprocess); # set names utf8 collate utf8_general_ci
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return ($err, q{}) if($err);
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}
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}
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if($model eq "SQLITE") {
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@ -7073,7 +7099,7 @@ sub DbLog_configcheck {
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"Rating: ".$nok."<br>";
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$check .= "<br>";
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### Connection und Encoding check
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### Connection und Collation check
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#######################################################################
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my $st = [gettimeofday]; # Startzeit
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my $dbh = _DbLog_getNewDBHandle ($hash) || return "Can't connect to database.";
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@ -7085,20 +7111,24 @@ sub DbLog_configcheck {
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my ($chutf8mod,$chutf8dat);
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if ($dbmodel =~ /MYSQL/) {
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($err, @ce) = _DbLog_prepExecQueryOnly ($name, $dbh, "SHOW VARIABLES LIKE 'character_set_connection'");
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($err, @ce) = _DbLog_prepExecQueryOnly ($name, $dbh, qq(SHOW VARIABLES LIKE 'collation_connection')); # character_set_connection
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$chutf8mod = @ce ? uc($ce[1]) : "no result";
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($err, @se) = _DbLog_prepExecQueryOnly ($name, $dbh, "SHOW VARIABLES LIKE 'character_set_database'");
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($err, @se) = _DbLog_prepExecQueryOnly ($name, $dbh, qq(SHOW VARIABLES LIKE 'collation_database')); # character_set_database
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$chutf8dat = @se ? uc($se[1]) : "no result";
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if($chutf8mod eq $chutf8dat) {
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if ($chutf8dat =~ /utf8mb4/xsi && $chutf8mod eq $chutf8dat) {
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$rec = "settings o.k.";
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}
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elsif ($chutf8dat !~ /utf8mb4/xsi && $chutf8mod eq $chutf8dat) {
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$rec = "The collation of the database should be changed to 'utf8mb4_bin' so that umlauts and all special characters can be stored. <br>";
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$rec .= "You can easy do that with the DbRep command <b>set <DbRep-Device> migrateCollation utf8mb4_bin</b>. <br>";
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}
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else {
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$rec = "Both encodings should be identical. You can adjust the usage of UTF8 connection by setting the UTF8 parameter in file '$hash->{CONFIGURATION}' to the right value. ";
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}
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if(uc($chutf8mod) ne "UTF8" && uc($chutf8dat) ne "UTF8") {
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if ($chutf8mod !~ /utf8/xsi) {
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$dbdhint = "";
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}
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else {
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@ -7162,9 +7192,9 @@ sub DbLog_configcheck {
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return $check;
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}
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$check .= "<u><b>Result of encoding check</u></b><br><br>";
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$check .= "Encoding used by Client (connection): $chutf8mod <br>" if($dbmodel !~ /SQLITE/);
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$check .= "Encoding used by DB $dbname: $chutf8dat <br>";
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$check .= "<u><b>Result of collation check</u></b><br><br>";
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$check .= "Collation used by Client (connection): $chutf8mod <br>" if($dbmodel !~ /SQLITE/);
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$check .= "Collation used by DB $dbname: $chutf8dat <br>";
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$check .= $dbmodel =~ /SQLITE/ ? "Rating: ".$ok."<br>" :
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$rec =~ /settings\so.k./xs ? "Rating: ".$ok."<br>" :
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"Rating: ".$warn."<br>";
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@ -7452,7 +7482,7 @@ sub DbLog_configcheck {
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if (!@six) {
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$check .= "The index 'Search_Idx' is missing. <br>";
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$rec = "You can create the index by executing statement <b>'CREATE INDEX Search_Idx ON `$history` (DEVICE, READING, TIMESTAMP) USING BTREE;'</b> <br>";
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$rec = "You can create the index by the DbRep command <b>set <DbRep-Device> index recreate_search_Idx</b> <br>";
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$rec .= "Depending on your database size this command may running a long time. <br>";
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$rec .= "Please make sure the device '$name' is operating in asynchronous mode to avoid FHEM from blocking when creating the index. <br>";
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$rec .= "<b>Note:</b> If you have just created another index which covers the same fields and order as suggested (e.g. a primary key) you don't need to create the 'Search_Idx' as well ! <br>";
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@ -7473,6 +7503,7 @@ sub DbLog_configcheck {
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$rec = "The index should contain the fields 'DEVICE', 'TIMESTAMP', 'READING'. ";
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$rec .= "You can change the index by executing e.g. <br>";
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$rec .= "<b>'ALTER TABLE `$history` DROP INDEX `Search_Idx`, ADD INDEX `Search_Idx` (`DEVICE`, `READING`, `TIMESTAMP`) USING BTREE;'</b> <br>";
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$rec .= "The DbRep command <b>set <DbRep-Device> index recreate_search_Idx</b> is doing the same for you. <br>";
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$rec .= "Depending on your database size this command may running a long time. <br>";
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}
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}
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@ -7838,19 +7869,19 @@ sub DbLog_AddLog {
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$found = 1 if($rd =~ m/^$rdspec$/); # Reading gefunden
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if($DbLogExclude && !$nce) {
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my @v1 = split(/,/, $DbLogExclude);
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my @v1 = DbLog_attrLong2Array ($DbLogExclude, ',');
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for (my $i = 0; $i < int(@v1); $i++) {
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my @v2 = split(/:/, $v1[$i]); # MinInterval wegschneiden, Bsp: "(temperature|humidity):600,battery:3600"
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my @v2 = split /:/, $v1[$i]; # MinInterval wegschneiden, Bsp: "(temperature|humidity):600,battery:3600"
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if($rd =~ m,^$v2[0]$,) { # Reading matcht $DbLogExclude -> ausschließen vom addLog
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$do = 0;
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if($DbLogInclude) {
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my @v3 = split(/,/, $DbLogInclude);
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my @v3 = DbLog_attrLong2Array ($DbLogInclude, ',');
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for (my $i = 0; $i < int(@v3); $i++) {
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my @v4 = split(/:/, $v3[$i]);
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my @v4 = split /:/, $v3[$i];
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$do = 1 if($rd =~ m,^$v4[0]$,); # Reading matcht $DbLogInclude -> wieder in addLog einschließen
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}
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}
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@ -8180,6 +8211,22 @@ sub DbLog_charfilter {
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return($txt);
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}
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###############################################################################
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# Einen Attributinhalt vom Typ textField-long splitten und als
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# Array zurückgeben
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# Optional kann das Split-Zeichen, default ',', angegeben werden.
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###############################################################################
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sub DbLog_attrLong2Array {
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my $content = shift;
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my $sptchar = shift // q{,};
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return if(!$content);
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my @v = map { my $p = $_; $p =~ s/\s//xg; $p; } split /$sptchar/xs, $content; ## no critic 'Map blocks'
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return @v;
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}
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################################################################
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# benutzte DB-Feldlängen in Helper und Internals setzen
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################################################################
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@ -8562,14 +8609,28 @@ return;
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<b>Note:</b> <br>
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In case of fresh installed MySQL/MariaDB system don't forget deleting the anonymous "Everyone"-User with an admin-tool if
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existing !
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existing.
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<br><br>
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Sample code and Scripts to prepare a MySQL/PostgreSQL/SQLite database you can find in
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<a href="https://svn.fhem.de/trac/browser/trunk/fhem/contrib/dblog">SVN -> contrib/dblog/db_create_<DBType>.sql</a>. <br>
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(<b>Caution:</b> The local FHEM-Installation subdirectory ./contrib/dblog doesn't contain the freshest scripts !!)
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(<b>Caution:</b> The local FHEM-Installation subdirectory ./contrib/dblog doesn't contain the freshest scripts!)
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<br><br>
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The default installation of the MySQL/MariaDB database provides for the use of the <b>utf8_bin</b> collation.
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With this setting, characters up to 3 bytes long can be stored, which is generally sufficient.
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However, if characters with a length of 4 bytes (e.g. emojis) are to be stored in the database, the <b>utf8mb4</b>
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character set must be used. <br>
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Accordingly, in this case the MySQL/MariaDB database would be created with the following statement: <br><br>
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<ul>
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<code> CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin; </code>
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</ul>
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<br>
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In the configuration file (see below) utf8 support must be enabled with the key <b>utf8 => 1</b> if utf8 is to be
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used. <br><br>
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The database contains two tables: <code>current</code> and <code>history</code>. <br>
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The latter contains all events whereas the former only contains the last event for any given reading and device.
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Please consider the <a href="#DbLog-attr-DbLogType">DbLogType</a> implicitly to determine the usage of tables
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@ -10440,14 +10501,28 @@ attr SMA_Energymeter DbLogValueFn
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<b>Hinweis:</b> <br>
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Im Falle eines frisch installierten MySQL/MariaDB Systems bitte nicht vergessen die anonymen "Jeder"-Nutzer mit einem
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Admin-Tool (z.B. phpMyAdmin) zu löschen falls sie existieren !
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Admin-Tool (z.B. phpMyAdmin) zu löschen falls sie existieren.
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<br><br>
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Beispielcode bzw. Scripts zum Erstellen einer MySQL/PostgreSQL/SQLite Datenbank ist im
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<a href="https://svn.fhem.de/trac/browser/trunk/fhem/contrib/dblog">SVN -> contrib/dblog/db_create_<DBType>.sql</a>
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enthalten. <br>
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(<b>Achtung:</b> Die lokale FHEM-Installation enthält im Unterverzeichnis ./contrib/dblog nicht die aktuellsten
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Scripte !!) <br><br>
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Scripte!) <br><br>
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Die Standardinstallation der MySQL/MariaDB Datenbank sieht die Nutzung der Collation <b>utf8_bin</b> vor.
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Mit dieser Einstellung können Zeichen bis 3 Byte Länge gespeichert werden was im Allgemeinen ausreichend ist.
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Sollen jedoch Zeichen mit 4 Byte Länge (z.B. Emojis) in der Datenbank gespeichert werden, ist der Zeichensatz
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<b>utf8mb4</b> zu verwenden. <br>
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Dementsprechend wäre in diesem Fall die MySQL/MariaDB Datenbank mit folgendem Statement anzulegen: <br><br>
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<ul>
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<code> CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin; </code>
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</ul>
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<br>
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In der Konfigurationsdatei (siehe unten) ist die utf8-Unterstützung mit dem Schlüssel <b>utf8 => 1</b> einzuschalten
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sofern utf8 genutzt werden soll. <br><br>
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Die Datenbank beinhaltet 2 Tabellen: <code>current</code> und <code>history</code>. <br>
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Die Tabelle <code>current</code> enthält den letzten Stand pro Device und Reading. <br>
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@ -10542,6 +10617,7 @@ attr SMA_Energymeter DbLogValueFn
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#);
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####################################################################################
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</pre>
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Wird configDB genutzt, ist das Konfigurationsfile in die configDB hochzuladen ! <br><br>
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<b>Hinweis zu Sonderzeichen:</b><br>
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