- Vytvoril D2000 Dev Team na okt 13, 2017
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READLOG action
Function
The action ensures the loading of logs from
log database on the basis
of input parameters.
Declaration
READLOG name, descript, person, oldValue, newValue, comment, priorities, types, bt, et, forObject, logdata, maxrows, retCode [, refToLG1, ...]
Parameters
| name | in | Identifier
of
String type - represents the condition for records loading. It
loads only records with the attribute "Name" that match
the mask which
is entered in the parameter name. If the input value is invalid, this condition is ignored. |
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| descript | in | Identifier
of String type - represents the condition for records loading.
It loads only records with the attribute "Description"
that match the
mask which is entered in the parameter descript. If the input value is invalid, this condition is ignored. |
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| person | in | Identifier of
String type - represents the condition for records loading. It
loads only records with the attribute "User" that match the mask which
is entered in the parameter person. If the input value is invalid, this condition is ignored. |
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| oldValue | in | Identifier typu
String - represents the condition for records loading. It loads
only records with the attribute "Old value" that match the mask which
is entered in the parameter oldValue. If the input value is invalid, this condition is ignored. |
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| newValue | in | Identifier of
String type - represents the condition for records loading. It
loads only records with the attribute "New value" that
match the mask
which is entered in the parameter newValue. If the input value is invalid, this condition is ignored. |
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| comment | in | Identifier of
String type - represents the condition for records loading. It
loads only records with the attribute "Cause of event"
that match the
mask which is entered in the parameter comment. If the input value is invalid, this condition is ignored. |
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| priorities | in | Identifier of
Int type - represents the condition for records loading. It
loads only records with the attribute "Priority" that
match at
least one type of priority which is encoded into the parameter
priorities by a sum of values of predefined variables _LOG_PRTY_*. If the input value is invalid, this condition is ignored, otherwise the value must be different from 0. |
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| types | in | Identifier of
Int type - represents the condition for records loading. It
loads only records with the attribute "Event type" that
match at
least one type of event which is encoded into parameter types
by a sum of values of predefined variables _LOGF_*. If the input value is invalid, this condition is ignored, otherwise the value must be different from 0. |
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| bt, et | in | Identifiers of AbsTime type - defines a time interval for records selection (if bt > et, the action generates the error _ERR_RANGE_ERROR). | ||||||||||||||||||
| forObject | in | Reference to object - if the current value of parameter is non-associated alias, the parameter is ignored. If parameter contains the reference to real object in system, the records concerning only entered object will be read, the parameters name, descript, person, oldValue, newValue, comment, priorities, types a [, retToLG1, ...] will be ignored (similarly like it is in the setting of system logging). | ||||||||||||||||||
| logdata | out | Identifier of entire structure -
the structure must contain exactly 9 columns. The types and
meaning of the columns:
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| maxrows | in | Identifier of Int type - maximum rows to be written into logdata. | ||||||||||||||||||
| retCode | out | Identifier of
Int type - result of action (see predefined
local variables) _ERR_TRANS_IGNORED - a detail text description is written in predefined local variable. _ERR_MSG _ERR_NO_ERROR - the action ended with no error. _ERR_MORE_DATA - the action ended with warning (it is not the error) - there is more records in log database as it was set by parameter maxrows (or number of rows for recording into logdata exceeded a system limit). |
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| [, refToLG1, ...] | in | References to objects of
logical group type or non-associated alias (SET AS
action)
- variable number of parameters (maximum 15 logical groups) that
limits the log selection for recording into logdata on the basis of
the assignment into logical groups (through OR). If it concerns for unassigned alias, the action ignores it and does not announce the error. |
Example
RECORD NOALIAS (SD.LogData) _data INT _retCode
TEXT _name TEXT _descript TEXT _person TEXT _oldValue TEXT _newValue TEXT _comment INT _priorities INT _types
TEXT _errMsg
TIME _bt TIME _et ALIAS _forObject INT _maxRows
_name :="System*" _descript := 1 ;it sets on INVALID => it does not filtrate _person := 1 ;it sets on INVALID => it does not filtrate _oldValue := 1 ;it sets on INVALID => it does not filtrate _newValue :="" _comment := 1 ;it sets on INVALID => it does not filtrate _priorities := _LOG_PRTY_INFO + _LOG_PRTY_WARNING + _LOG_PRTY_ALARM _types :="" ;it sets on INVALID => it does not filtrate
_et := SysTime _bt := %SubTime(_et, 3600) _maxRows := 10000 READLOG _name, _descript, _person, _oldValue, _newValue, _comment, _priorities, _types, _bt, _et, _forObject, _data, _maxRows, _retCode
_errMsg := _ERR_MSG ;text of error, if _retCode = _ERR_TRANS_IGNORED
Related pages:
- Žiadne štítky