IndexScan should track the number of calls to seek() and expose in explain

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    • Fully Compatible
    • Query 10 (02/22/16)
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      The index scan stage should track the number of calls to BtreeIndexCursor::skip() made here:

      https://github.com/mongodb/mongo/blob/r3.0.0-rc6/src/mongo/db/exec/index_scan.cpp#L438-L439

      Original Description

      Currently nscanned isn't precise enough to distinguish between unindexed traversal and btree traversal, and in some cases between btree skipping and inorder order btree traversal.

            Assignee:
            David Storch
            Reporter:
            Aaron Staple (Inactive)
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              Created:
              Updated:
              Resolved: