MongoCollectiongroup()

no longer supported, use MongoCollectionAggregator()

Usage

STRUCTURE = MongoCollectiongroup(
				
					
					
						datasource, 
					
				
					
					
						collection, 
					
				
					
					
						key, 
					
				
					
					
						cond, 
					
				
					
					
						reduce, 
					
				
					
					
						initial, 
					
				
					
					
						finalize
					
				
				)

Argument	Summary
datasource	datasource name. Name previously created using MongoRegister
collection	collection name
key	key
cond	condition on query
reduce	javascript reduce function
initial	initial value for first match on a key
finalize	finalize function in javascript code [optional]

Calling

Supports named-parameter calling allowing you to use the function like:

MongoCollectiongroup(
   datasource=?, 
   collection=?, 
   key=?, 
   cond=?, 
   reduce=?, 
   initial=?, 
   finalize=?
);

Supports passing parameters as a structure using ArgumentCollection:

MongoCollectiongroup( ArgumentCollection={
   datasource : ?, 
   collection : ?, 
   key : ?, 
   cond : ?, 
   reduce : ?, 
   initial : ?, 
   finalize : ?
} );

Extra

For more information on using MongoDB, visit the MongoCFML page

For functions that update data, you can pass in the writeconcern. The possible values are:

FSYNC_SAFE
Exceptions are raised for network issues, and server errors; the write operation waits for the server to flush the data to disk
JOURNAL_SAFE
Exceptions are raised for network issues, and server errors; the write operation waits for the server to group commit to the journal file on disk
MAJORITY
Exceptions are raised for network issues, and server errors; waits on a majority of servers for the write operation
NONE
No exceptions are raised, even for network issues
NORMAL
Exceptions are raised for network issues, but not server errors
REPLICAS_SAFE
Exceptions are raised for network issues, and server errors; waits for at least 2 servers for the write operation
SAFE
Exceptions are raised for network issues, and server errors; waits on a server for the write operation

MongoCollectionaggregate MongoCollectioncount MongoCollectiondistinct MongoCollectiondrop MongoCollectionfind MongoCollectionfindandmodify MongoCollectionfindone MongoCollectiongroup MongoCollectionindexdrop MongoCollectionindexensure MongoCollectioninsert MongoCollectionlist MongoCollectionmapreduce MongoCollectionremove MongoCollectionrename MongoCollectionsave MongoCollectionstats MongoCollectionupdate MongoDatabasedrop MongoDatabaselist MongoDatabaseruncmd MongoDatabasestats MongoDeregister MongoGridfsfind MongoGridfsfindone MongoGridfsget MongoGridfsremove MongoGridfssave MongoIsvalid MongoObjectid MongoRegister

MongoCollectiongroup()

Usage

Calling

Extra

See Also