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  1. Core Server
  2. SERVER-9126

Cannot get query plan or status for distinct() routed through mongos

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Duplicate
    • 2.2.3, 2.4.1
    • None
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      Issue a distinct command using runCommand. Observe the output does not have a query plan nor status.

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      Issue a distinct command using runCommand. Observe the output does not have a query plan nor status.

    Description

      I am unable to find any way to get the query plan and stats for a distinct query in mongo shell. explain() is not valid to chain onto distinct(). The 2.2 documentation says (http://docs.mongodb.org/v2.2/reference/command/distinct/) says that "the command returns a document that contains an array of the distinct values as well as the query plan and status."

      mongos> db.actions.distinct("a",

      {...}).explain()
      Mon Mar 25 14:24:35 TypeError: db.actions.distinct("a", {...}

      ).explain is not a function (shell):1

      mongos> db.runCommand({distinct:'actions', key:"a", query:{...}})

      { "values" : [ "love" ], "ok" : 1 }

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              Unassigned Unassigned
              jwineinger Jay Wineinger
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