virtual bool run(const string &db, BSONObj &cmdObj, int options, string &errmsg,
BSONObjBuilder &result, bool fromRepl) {
string ns = parseNs(db, cmdObj);
intrusive_ptr<ExpressionContext> pCtx =
new ExpressionContext(InterruptStatusMongod::status, NamespaceString(ns));
/* try to parse the command; if this fails, then we didn't run */
intrusive_ptr<Pipeline> pPipeline = Pipeline::parseCommand(errmsg, cmdObj, pCtx);
if (!pPipeline.get())
return false;
if (pPipeline->getSplitMongodPipeline()) {
// This is only used in testing
return executeSplitPipeline(result, errmsg, ns, db, pPipeline, pCtx);
}
#if _DEBUG
// This is outside of the if block to keep the object alive until the pipeline is finished.
BSONObj parsed;
if (!pPipeline->isExplain() && !pCtx->inShard) {
// Make sure all operations round-trip through Pipeline::toBson()
// correctly by reparsing every command on DEBUG builds. This is
// important because sharded aggregations rely on this ability.
// Skipping when inShard because this has already been through the
// transformation (and this unsets pCtx->inShard).
parsed = pPipeline->serialize().toBson();
pPipeline = Pipeline::parseCommand(errmsg, parsed, pCtx);
verify(pPipeline);
}
#endif
// This does the mongod-specific stuff like creating a cursor
PipelineD::prepareCursorSource(pPipeline, nsToDatabase(ns), pCtx);
pPipeline->stitch();
if (isCursorCommand(cmdObj)) {
CursorId id;
{
// Set up cursor
Client::ReadContext ctx(ns);
shared_ptr<Cursor> cursor(new PipelineCursor(pPipeline));
// cc will be owned by cursor manager
ClientCursor* cc = new ClientCursor(0, cursor, ns, cmdObj.getOwned());
id = cc->cursorid();
}
handleCursorCommand(id, cmdObj, result);
}
else {
pPipeline->run(result);
}
if (DocumentSourceOut* out = dynamic_cast<DocumentSourceOut*>(pPipeline->output())) {
result.append("outputNs", out->getOutputNs());
}
return true;
}
virtual bool run(const string &db, BSONObj &cmdObj, int options, string &errmsg,
BSONObjBuilder &result, bool fromRepl) {
intrusive_ptr<ExpressionContext> pCtx =
ExpressionContext::create(&InterruptStatusMongod::status);
/* try to parse the command; if this fails, then we didn't run */
intrusive_ptr<Pipeline> pPipeline = Pipeline::parseCommand(errmsg, cmdObj, pCtx);
if (!pPipeline.get())
return false;
string ns = parseNs(db, cmdObj);
if (pPipeline->getSplitMongodPipeline()) {
// This is only used in testing
return executeSplitPipeline(result, errmsg, ns, db, pPipeline, pCtx);
}
#if _DEBUG
// This is outside of the if block to keep the object alive until the pipeline is finished.
BSONObj parsed;
if (!pPipeline->isExplain() && !pCtx->getInShard()) {
// Make sure all operations round-trip through Pipeline::toBson()
// correctly by reparsing every command on DEBUG builds. This is
// important because sharded aggregations rely on this ability.
// Skipping when inShard because this has already been through the
// transformation (and this unsets pCtx->inShard).
BSONObjBuilder bb;
pPipeline->toBson(&bb);
parsed = bb.obj();
pPipeline = Pipeline::parseCommand(errmsg, parsed, pCtx);
verify(pPipeline);
}
#endif
// This does the mongod-specific stuff like creating a cursor
PipelineD::prepareCursorSource(pPipeline, nsToDatabase(ns), pCtx);
return pPipeline->run(result, errmsg);
}
