1 files changed, 50 insertions, 0 deletions
diff --git a/jstests/distinct_index1.js b/jstests/distinct_index1.js
new file mode 100644
index 0000000..8677457
--- /dev/null
+++ b/jstests/distinct_index1.js
@@ -0,0 +1,50 @@
+
+t = db.distinct_index1
+t.drop();
+
+function r( x ){
+    return Math.floor( Math.sqrt( x * 123123 ) ) % 10;
+}
+
+function d( k , q ){
+    return t.runCommand( "distinct" , { key : k , query : q || {} } )
+}
+
+for ( i=0; i<1000; i++ ){
+    o = { a : r(i*5) , b : r(i) };
+    t.insert( o );
+}
+
+x = d( "a" );
+assert.eq( 1000 , x.stats.n , "AA1" )
+assert.eq( 1000 , x.stats.nscanned , "AA2" )
+assert.eq( 1000 , x.stats.nscannedObjects , "AA3" )
+
+x = d( "a" , { a : { $gt : 5 } } );
+assert.eq( 398 , x.stats.n , "AB1" )
+assert.eq( 1000 , x.stats.nscanned , "AB2" )
+assert.eq( 1000 , x.stats.nscannedObjects , "AB3" )
+
+x = d( "b" , { a : { $gt : 5 } } );
+assert.eq( 398 , x.stats.n , "AC1" )
+assert.eq( 1000 , x.stats.nscanned , "AC2" )
+assert.eq( 1000 , x.stats.nscannedObjects , "AC3" )
+
+
+
+t.ensureIndex( { a : 1 } )
+
+x = d( "a" );
+assert.eq( 1000 , x.stats.n , "BA1" )
+assert.eq( 1000 , x.stats.nscanned , "BA2" )
+assert.eq( 0 , x.stats.nscannedObjects , "BA3" )
+
+x = d( "a" , { a : { $gt : 5 } } );
+assert.eq( 398 , x.stats.n , "BB1" )
+assert.eq( 398 , x.stats.nscanned , "BB2" )
+assert.eq( 0 , x.stats.nscannedObjects , "BB3" )
+
+x = d( "b" , { a : { $gt : 5 } } );
+assert.eq( 398 , x.stats.n , "BC1" )
+assert.eq( 398 , x.stats.nscanned , "BC2" )
+assert.eq( 398 , x.stats.nscannedObjects , "BC3" )