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MongoCursor::immortal

Contents

(PECL mongo >=1.0.1)

MongoCursor::immortal — Sets whether this cursor will timeout

Description

public MongoCursor::immortal ([ bool $liveForever = TRUE ] ) : MongoCursor

After remaining idle on the server for some amount of time, cursors, by default, "die." This is generally the behavior one wants. The database cleans up a cursor once all of its results have been sent to the client, but if the client doesn't request all of the results, the cursor will languish there, taking up resources. Thus, after a few minutes, the cursor "times out" and the database assumes the client has gotten everything it needs and cleans up its the cursor's resources.

If, for some reason, you need a cursor to hang around for a long time, you can prevent the database from cleaning it up by using this method. However, if you make a cursor immortal, you need to iterate through all of its results (or at least until MongoCursor::dead() returns TRUE) or the cursor will hang around the database forever, taking up resources.

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Parameters

liveForever

If the cursor should be immortal.

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Errors/Exceptions

Throws MongoCursorException if this cursor has started iterating.

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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