Zabbix Documentation 2.4

3.04.05.0 (current)| In development:5.2 (devel)| Unsupported:1.82.02.22.43.23.44.24.4Guidelines

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manual:installation:upgrade_notes_240

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manual:installation:upgrade_notes_240 [2016/01/13 09:33]
martins-v trying to fix numbering
manual:installation:upgrade_notes_240 [2016/03/01 11:28]
asaveljevs [Converting triggers to the new syntax] unary minus non-associative
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 The database upgrade patches will automatically convert the existing triggers to the [[manual:​introduction:​whatsnew240#​support_of_new_trigger_operators|new syntax]]. The database upgrade patches will automatically convert the existing triggers to the [[manual:​introduction:​whatsnew240#​support_of_new_trigger_operators|new syntax]].
 +
 +Note that along with the syntax change, unary **-** operator associativity has changed from right-associative to non-associative,​ meaning that **-(-1)** should now be used instead of **<​nowiki>​--</​nowiki>​1**.
 === Dropped support of round-off constants === === Dropped support of round-off constants ===
  
 The descriptions of ZBX_UNITS_ROUNDOFF_THRESHOLD,​ ZBX_UNITS_ROUNDOFF_UPPER_LIMIT,​ ZBX_UNITS_ROUNDOFF_MIDDLE_LIMIT and ZBX_UNITS_ROUNDOFF_LOWER_LIMIT definitions have been removed from the documentation since their functionality no longer matches their intended purpose. They are still present in the code and any changes made to them will remain, but their modification may cause unexpected results. The descriptions of ZBX_UNITS_ROUNDOFF_THRESHOLD,​ ZBX_UNITS_ROUNDOFF_UPPER_LIMIT,​ ZBX_UNITS_ROUNDOFF_MIDDLE_LIMIT and ZBX_UNITS_ROUNDOFF_LOWER_LIMIT definitions have been removed from the documentation since their functionality no longer matches their intended purpose. They are still present in the code and any changes made to them will remain, but their modification may cause unexpected results.