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configDB.pm - changed: improved migration performance

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git-svn-id: https://svn.fhem.de/fhem/trunk@5107 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
betateilchen 2014-03-03 13:13:52 +00:00
parent 5608f22a53
commit 0f47ba10ad
1 changed files with 9 additions and 13 deletions
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22
fhem/configDB.pm
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@ -49,8 +49,6 @@ sub AnalyzeCommandChain($$;$);
sub Debug($);
sub Log3($$$);
#$cfgDB_svnId = '$Id$';
##################################################
# Read configuration file
#
@ -117,6 +115,9 @@ sub cfgDB_Init {
eval { $fhem_dbh->do("CREATE EXTENSION \"uuid-ossp\"") if($cfgDB_dbtype eq 'POSTGRESQL'); };
# create TABLE fhemversions ifnonexistent
$fhem_dbh->do("CREATE TABLE IF NOT EXISTS fhemversions(VERSION INT, VERSIONUUID CHAR(50))");
# create TABLE fhemconfig if nonexistent
$fhem_dbh->do("CREATE TABLE IF NOT EXISTS fhemconfig(COMMAND CHAR(32), DEVICE CHAR(32), P1 CHAR(50), P2 TEXT, VERSION INT, VERSIONUUID CHAR(50))");
# check TABLE fhemconfig already populated
@ -125,7 +126,7 @@ sub cfgDB_Init {
# insert default entries to get fhem running
my $uuid = cfgDB_Uuid;
$fhem_dbh->do("INSERT INTO fhemversions values (0, '$uuid')");
cfgDB_InsertLine($fhem_dbh, $uuid, '# added by cfgDB_Init');
cfgDB_InsertLine($fhem_dbh, $uuid, '#created by cfgDB_Init');
cfgDB_InsertLine($fhem_dbh, $uuid, 'attr global logfile ./log/fhem-%Y-%m-%d.log');
cfgDB_InsertLine($fhem_dbh, $uuid, 'attr global modpath .');
cfgDB_InsertLine($fhem_dbh, $uuid, 'attr global userattr devStateIcon devStateStyle icon sortby webCmd');
@ -133,17 +134,11 @@ sub cfgDB_Init {
cfgDB_InsertLine($fhem_dbh, $uuid, 'define telnetPort telnet 7072 global');
cfgDB_InsertLine($fhem_dbh, $uuid, 'define WEB FHEMWEB 8083 global');
cfgDB_InsertLine($fhem_dbh, $uuid, 'define Logfile FileLog ./log/fhem-%Y-%m-%d.log fakelog');
# } else {
# if entries found and any database changes necessary, they will be done now.
# eval { $fhem_dbh->do("ALTER TABLE fhemconfig ADD VERSIONUUID VARCHAR(50)"); };
}
# create TABLE fhemstate if nonexistent
$fhem_dbh->do("CREATE TABLE IF NOT EXISTS fhemstate(stateString TEXT)");
# create TABLE fhemversions ifnonexistent
$fhem_dbh->do("CREATE TABLE IF NOT EXISTS fhemversions(VERSION INT, VERSIONUUID CHAR(50))");
# close database connection
$fhem_dbh->commit();
$fhem_dbh->disconnect();
@ -176,7 +171,7 @@ sub cfgDB_Info {
$r .= " fhemconfig: $count entries\n\n";
# read versions creation time
# $sth = $fhem_dbh->prepare( "SELECT * FROM fhemconfig WHERE COMMAND ='#created' ORDER by VERSION" );
$sth = $fhem_dbh->prepare( "SELECT * FROM fhemconfig as c join fhemversions as v on v.versionuuid=c.versionuuid WHERE COMMAND ='#created' ORDER by v.VERSION" );
$sth = $fhem_dbh->prepare( "SELECT * FROM fhemconfig as c join fhemversions as v on v.versionuuid=c.versionuuid WHERE COMMAND like '#created%' ORDER by v.VERSION" );
$sth->execute();
while (@line = $sth->fetchrow_array()) {
$row = " Ver $line[6] saved: $line[1] $line[2] $line[3] def: ".
@ -467,7 +462,8 @@ sub cfgDB_Migrate {
Log3('configDB',4,'Processing: cfgDB_SaveState.');
cfgDB_SaveState;
Log3('configDB',4,'Migration finished.');
return 'Migration finished.';
return " Result after migration:\n".cfgDB_Info;
}
sub cfgDB_List($) {
@ -582,7 +578,7 @@ sub cfgDB_List($) {
<li>transfer your existing configuration into the database<br/><br/>
<ul>enter <code>{cfgDB_Migrate}</code> into frontend's command line</ul><br/></br>
Be patient! Migration can take some time, especially on mini-systems like RaspberryPi or Beaglebone.<br/>
Completed migration will be indicated by a message "Migration finished."<br/>
Completed migration will be indicated by showing database statistics.<br/>
Your original configfile will not be touched or modified by this step.</li><br/>
<li>shutdown fhem</li><br/>
<li>restart fhem with keyword configDB<br/><br/>
@ -756,7 +752,7 @@ Ver 0 always indicates the currently running configuration.<br/>
<ul><code>{cfgDB_Migrate}</code> in die Befehlszeile der fhem-Oberfl&auml;che eingeben</ul><br/></br>
Nicht die Geduld verlieren! Die Migration eine Weile dauern, speziell bei Mini-Systemen wie<br/>
RaspberryPi or Beaglebone.<br/>
Das Ende der Migration wird durch die Meldung "Migration finished." best&auml;tigt.<br/>
Am Ende der Migration wird eine aktuelle Datenbankstatistik angezeigt.<br/>
Die urspr&uuml;ngliche Konfigurationsdatei wird bei diesem Vorgang nicht angetastet.</li><br/>
<li>fhem beenden.</li><br/>
<li>fhem mit dem Schl&uuml;sselwort configDB starten<br/><br/>