+ #select a unix time conversion function based on database type
+ my $str2time = str2time_sql( $dbh->{Driver}->{Name} );
+
+ my $username = $part_export->export_username($svc_x);
+
+ my $query;
+
+ warn "$mes finding closed sessions completely within the given range\n"
+ if $DEBUG;
+
+ my $realm = '';
+ my $realmparam = '';
+ if ($part_export->option('process_single_realm')) {
+ $realm = 'AND Realm = ?';
+ $realmparam = $part_export->option('realm');
+ }
+
+ my $sth = $dbh->prepare("SELECT SUM(acctsessiontime)
+ FROM radacct
+ WHERE UserName = ?
+ $realm
+ AND $str2time AcctStartTime) >= ?
+ AND $str2time AcctStopTime ) < ?
+ AND $str2time AcctStopTime ) > 0
+ AND AcctStopTime IS NOT NULL"
+ ) or die $dbh->errstr;
+ $sth->execute($username, ($realm ? $realmparam : ()), $start, $end)
+ or die $sth->errstr;
+ my $regular = $sth->fetchrow_arrayref->[0];
+
+ warn "$mes finding open sessions which start in the range\n"
+ if $DEBUG;
+
+ # count session start->range end
+ $query = "SELECT SUM( ? - $str2time AcctStartTime ) )
+ FROM radacct
+ WHERE UserName = ?
+ $realm
+ AND $str2time AcctStartTime ) >= ?
+ AND $str2time AcctStartTime ) < ?
+ AND ( ? - $str2time AcctStartTime ) ) < 86400
+ AND ( $str2time AcctStopTime ) = 0
+ OR AcctStopTime IS NULL )";
+ $sth = $dbh->prepare($query) or die $dbh->errstr;
+ $sth->execute( $end,
+ $username,
+ ($realm ? $realmparam : ()),
+ $start,
+ $end,
+ $end )
+ or die $sth->errstr. " executing query $query";
+ my $start_during = $sth->fetchrow_arrayref->[0];
+
+ warn "$mes finding closed sessions which start before the range but stop during\n"
+ if $DEBUG;
+
+ #count range start->session end
+ $sth = $dbh->prepare("SELECT SUM( $str2time AcctStopTime ) - ? )
+ FROM radacct
+ WHERE UserName = ?
+ $realm
+ AND $str2time AcctStartTime ) < ?
+ AND $str2time AcctStopTime ) >= ?
+ AND $str2time AcctStopTime ) < ?
+ AND $str2time AcctStopTime ) > 0
+ AND AcctStopTime IS NOT NULL"
+ ) or die $dbh->errstr;
+ $sth->execute( $start,
+ $username,
+ ($realm ? $realmparam : ()),
+ $start,
+ $start,
+ $end )
+ or die $sth->errstr;
+ my $end_during = $sth->fetchrow_arrayref->[0];
+
+ warn "$mes finding closed sessions which start before the range but stop after\n"
+ if $DEBUG;
+
+ # count range start->range end
+ # don't count open sessions anymore (probably missing stop record)
+ $sth = $dbh->prepare("SELECT COUNT(*)
+ FROM radacct
+ WHERE UserName = ?
+ $realm
+ AND $str2time AcctStartTime ) < ?
+ AND ( $str2time AcctStopTime ) >= ?
+ )"
+ # OR AcctStopTime = 0
+ # OR AcctStopTime IS NULL )"
+ ) or die $dbh->errstr;
+ $sth->execute($username, ($realm ? $realmparam : ()), $start, $end )
+ or die $sth->errstr;
+ my $entire_range = ($end-$start) * $sth->fetchrow_arrayref->[0];
+
+ $seconds += $regular + $end_during + $start_during + $entire_range;
+
+ warn "$mes done finding sessions\n"
+ if $DEBUG;
+
+ }
+
+ $seconds;
+
+}
+
+=item attribute_since_sqlradacct TIMESTAMP_START TIMESTAMP_END ATTRIBUTE
+
+See L<FS::svc_acct/attribute_since_sqlradacct>. Equivalent to
+$cust_svc->svc_x->attribute_since_sqlradacct, but more efficient. Meaningless
+for records where B<svcdb> is not "svc_acct".