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-rw-r--r--jstests/core/explainb.js46
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diff --git a/jstests/core/explainb.js b/jstests/core/explainb.js
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-// nscanned and nscannedObjects report results for the winning plan; nscannedAllPlans and
-// nscannedObjectsAllPlans report results for all plans. SERVER-6268
-//
-// This file tests the output of .explain.
-
-t = db.jstests_explainb;
-t.drop();
-
-t.ensureIndex( { a:1, b:1 } );
-t.ensureIndex( { b:1, a:1 } );
-
-t.save( { a:0, b:1 } );
-t.save( { a:1, b:0 } );
-
-explain = t.find( { a:{ $gte:0 }, b:{ $gte:0 } } ).explain( true );
-
-// We don't check explain.cursor because all plans perform the same.
-assert.eq( 2, explain.n );
-// nscanned and nscannedObjects are reported.
-assert.eq( 2, explain.nscanned );
-assert.eq( 2, explain.nscannedObjects );
-
-// A limit of 2.
-explain = t.find( { a:{ $gte:0 }, b:{ $gte:0 } } ).limit( -2 ).explain( true );
-assert.eq( 2, explain.n );
-
-// A $or query.
-explain = t.find( { $or:[ { a:{ $gte:0 }, b:{ $gte:1 } },
- { a:{ $gte:1 }, b:{ $gte:0 } } ] } ).explain( true );
-// One result from the first $or clause
-assert.eq( 1, explain.clauses[ 0 ].n );
-// But 2 total.
-assert.eq( 2, explain.n );
-
-// These are computed by summing the values for each clause.
-printjson(explain);
-assert.eq( 2, explain.n );
-
-// A non $or case where nscanned != number of results
-t.remove({});
-
-t.save( { a:'0', b:'1' } );
-t.save( { a:'1', b:'0' } );
-explain = t.find( { a:/0/, b:/1/ } ).explain( true );
-assert.eq( 1, explain.n );
-assert.eq( 2, explain.nscanned );