diff options
Diffstat (limited to 'client/dbclient.h')
| -rw-r--r-- | client/dbclient.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/client/dbclient.h b/client/dbclient.h index 9cb6571..9bc71fd 100644 --- a/client/dbclient.h +++ b/client/dbclient.h @@ -528,6 +528,19 @@ namespace mongo { bool setDbProfilingLevel(const string &dbname, ProfilingLevel level, BSONObj *info = 0); bool getDbProfilingLevel(const string &dbname, ProfilingLevel& level, BSONObj *info = 0); + + /** This implicitly converts from char*, string, and BSONObj to be an argument to mapreduce + You shouldn't need to explicitly construct this + */ + struct MROutput { + MROutput(const char* collection) : out(BSON("replace" << collection)) {} + MROutput(const string& collection) : out(BSON("replace" << collection)) {} + MROutput(const BSONObj& obj) : out(obj) {} + + BSONObj out; + }; + static MROutput MRInline; + /** Run a map/reduce job on the server. See http://www.mongodb.org/display/DOCS/MapReduce @@ -536,8 +549,8 @@ namespace mongo { jsmapf javascript map function code jsreducef javascript reduce function code. query optional query filter for the input - output optional permanent output collection name. if not specified server will - generate a temporary collection and return its name. + output either a string collection name or an object representing output type + if not specified uses inline output type returns a result object which contains: { result : <collection_name>, @@ -551,7 +564,7 @@ namespace mongo { result.getField("ok").trueValue() on the result to check if ok. */ - BSONObj mapreduce(const string &ns, const string &jsmapf, const string &jsreducef, BSONObj query = BSONObj(), const string& output = ""); + BSONObj mapreduce(const string &ns, const string &jsmapf, const string &jsreducef, BSONObj query = BSONObj(), MROutput output = MRInline); /** Run javascript code on the database server. dbname database SavedContext in which the code runs. The javascript variable 'db' will be assigned |