Provide new explain format with debugging information and both runtime stats and static query information.
Deprecate inapplicable old format.
- is depended on by
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DRIVERS-164 Support changes to explain in MongoDB 2.8
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- Closed
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- is duplicated by
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SERVER-12792 incorrect nscannedObjects for explain for index intersection
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- Closed
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SERVER-14610 Detailed explain does not list rejected plans
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- Closed
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SERVER-7054 make explain output more informative and user friendly
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- Closed
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- is related to
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SERVER-3493 count command should give indexinfo
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- Closed
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SERVER-8747 In explain output, per plan 'n' count is not updated after an out of order plan wins
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- Closed
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SERVER-8912 Metric "document.scanned" is not the same as nscannedObjects (from explain)
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- Closed
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SERVER-9126 Cannot get query plan or status for distinct() routed through mongos
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- Closed
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SERVER-11771 extended options for $regex cannot be displayed in explain output when used on an index
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- Closed
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SERVER-2845 when using skip, objects still reported as being scanned.
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- Closed
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SERVER-5759 indexOnly in explain() is not reported correctly
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- Closed
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SERVER-8957 Explain on 2dsphere find query includes "nscanned" twice, and some other inconsistencies
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- Closed
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SERVER-12037 Add additional information to $text query explain
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- Closed
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SERVER-8997 Display yield time where we display yield counts
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- Open
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SERVER-1812 Add the ability to get query results and the query plan in one call
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- Backlog
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SERVER-2235 IndexScan should track the number of calls to seek() and expose in explain
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- Closed
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SERVER-3401 Add faults/idx-miss to explain and profiler output
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- Closed
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SERVER-4494 explain output should include index version
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- Closed
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SERVER-4755 sharded explain should return shard names, not addresses
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- Closed
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SERVER-8208 support explain() without actually executing the query
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- Closed
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SERVER-8659 Allow projections with dotted fields to be covered
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- Closed
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SERVER-11975 All Runners should support getExplainPlan before the first call to getNext
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- Closed
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SERVER-15167 Improve explain visibility of $min/$max indexBounds
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- Closed
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SERVER-3495 Include sparse/attr in explain output
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- Closed
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SERVER-5336 explain() cursor field should store index used and type of scan in separate fields
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- Closed
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SERVER-12533 Include sort (spec) for sort stage in full explain output
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- Closed
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- related to
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SERVER-15020 Implement explain for the distinct command
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- Closed
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SERVER-19758 Add "executionStats" and "allPlansExecution" explain modes to aggregation explain
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- Closed
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SERVER-15330 Bump maxWireProtocolVersion for 2.8 features
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- Closed
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SERVER-16053 explain shell helpers should retry using $explain if explain command fails on a mixed version sharded cluster
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- Closed
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SERVER-14086 explain() doesn't display plan information if chosen query plan generates error
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- Closed
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SERVER-17347 .explain() should be included in the shell's DBCollection help
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- Closed
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