|
|
|
|
|
|
|
|
|
|
- Properties specific to mongoWriteConcern variables
mongoWriteConcern (Variable type) In french: mongoOptionEcriture
The mongoWriteConcern type is used to define the level of acknowledgment of receipt requested for the write operations in a stand-alone mongod, in a set of replicas or in fragmented clusters. You can define and change the characteristics of these options using different WLanguage properties. Remarks: - This type of variable is used by mongoCollection variables.
- For more details on the declaration of this type of variable and the use of WLanguage properties, see Declaring a variable.
MaCollection.OptionEcriture.Mode = mwcMajority
Properties Properties specific to mongoWriteConcern variables The following properties can be used to handle the options for writing into a Mongo collection: | | | | Property name | Type used | Effect |
|---|
| Log | Boolean | - True to write a trace of the write operation into the log.
- False otherwise.
| | Mode | Integer constant | Minimum number of nodes that must have acknowledged the process to consider that the writing is performed. The following values are available: - moeDefault Only one node needs to have acknowledged processing for writing to be considered complete.
- moeMajority: The majority of nodes must have acknowledged processing for writing to be considered complete.
- moeTag: The number of nodes is the one defined in a pre-configuration defined on the server.. In this case, .Tag must be specified.
- moeWithoutAcknowledgement: No node must have acknowledged processing for writing to be considered complete. Caution, no error is returned in this case.
- Minimum number of nodes that must have acknowledged the process (strictly positive integer).
| | Tag | Character string | Name of server pre-configuration. | | Timeout | Integer or Duration | - Maximum timeout to perform a writing. The write operations are considered as failed after this timeout.
- 0 for no write timeout.
This property can correspond to: - an integer corresponding to the number of seconds,
- a Duration variable,
- the duration in a readable format (e.g., 1 s or 10 ms).
|
This page is also available for…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|