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@@ -2665,7 +2665,7 @@ if (!array_key_exists($sAttCode, self::$m_aAttribDefs[$sClass]))
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$sRight = $oAttDef->GetSQLRight();
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$sSQL = "SELECT MAX(`$sRight`) AS MaxRight FROM `$sTable`";
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$iMaxRight = CMDBSource::QueryToScalar($sSQL);
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- $sSQL = "SELECT COUNT(`$sRight`) AS Count FROM `$sTable`";
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+ $sSQL = "SELECT COUNT(*) AS Count FROM `$sTable`"; // Note: COUNT(field) returns zero if the given field contains only NULLs
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$iCount = CMDBSource::QueryToScalar($sSQL);
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if (!$bForceComputation && ($iCount != 0) && ($iMaxRight == 0))
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{
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dflaven