cursor.comment()
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Definition
-
cursor.
comment
( ) -
New in version 3.2.
Adds a
comment
field to the query.cursor.comment()
has the following syntax:comment()
has the following parameter:Parameter Type Description comment
string The comment to apply to the query.
Behavior
comment()
associates a comment string with the find operation. This can make it easier to track a particular query in the following diagnostic outputs:
- The
system.profile
- The
QUERY
log component db.currentOp()
See configure log verbosity for the mongod
log, the Database Profiler tutorial, or the db.currentOp()
command.
Output Examples
system.profile
The following is an excerpt from the system.profile
:
mongod
log
The following is an excerpt from the mongod
log. It has been formatted for readability.
Important
The verbosity level for QUERY
must be greater than 0
. See Configure Log Verbosity Levels
db.currentOp()
Suppose the following operation is currently running on a mongod
instance:
Running the db.currentOp()
command returns the following: