diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mongo/db/commands/mr.cpp | 5 | ||||
| -rw-r--r-- | src/mongo/db/commands/pipeline_command.cpp | 10 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/mongo/db/commands/mr.cpp b/src/mongo/db/commands/mr.cpp index d0066e7e066..27edf464286 100644 --- a/src/mongo/db/commands/mr.cpp +++ b/src/mongo/db/commands/mr.cpp @@ -1465,6 +1465,11 @@ public: if (config.limit && numInputs >= config.limit) break; } + + // Record the indexes used by the PlanExecutor. + PlanSummaryStats stats; + Explain::getSummaryStats(*exec, &stats); + coll->infoCache()->notifyOfQuery(txn, stats.indexesUsed); } pm.finished(); diff --git a/src/mongo/db/commands/pipeline_command.cpp b/src/mongo/db/commands/pipeline_command.cpp index ada7e33e311..f8bbf2fc81c 100644 --- a/src/mongo/db/commands/pipeline_command.cpp +++ b/src/mongo/db/commands/pipeline_command.cpp @@ -228,6 +228,16 @@ public: PipelineD::prepareCursorSource(txn, collection, pPipeline, pCtx); pPipeline->stitch(); + if (collection && input) { + // Record the indexes used by the input executor. Retrieval of summary stats for a + // PlanExecutor is normally done post execution. DocumentSourceCursor however will + // destroy the input PlanExecutor once the result set has been exhausted. For + // that reason we need to collect the indexes used prior to plan execution. + PlanSummaryStats stats; + Explain::getSummaryStats(*input, &stats); + collection->infoCache()->notifyOfQuery(txn, stats.indexesUsed); + } + // Create the PlanExecutor which returns results from the pipeline. The WorkingSet // ('ws') and the PipelineProxyStage ('proxy') will be owned by the created // PlanExecutor. |