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author | Randolph Tan <randolph@10gen.com> | 2014-01-14 14:09:42 -0500 |
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committer | Randolph Tan <randolph@10gen.com> | 2014-02-28 16:26:33 -0500 |
commit | 5595b945603b0712c537787e31e6da661c424fee (patch) | |
tree | 90945ee3fe4931032f3af2d397bb755fbf5d30ef /jstests/core/distinct_index1.js | |
parent | cd62080dcb036e83f8fca6d68d9bcab67bf7a21c (diff) | |
download | mongo-5595b945603b0712c537787e31e6da661c424fee.tar.gz |
SERVER-12127 migrate js tests to jscore suite when not related to writes
Moved test jstest/[a-i].js -> jstests/core/ and made changes to comply with write command api
Diffstat (limited to 'jstests/core/distinct_index1.js')
-rw-r--r-- | jstests/core/distinct_index1.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/jstests/core/distinct_index1.js b/jstests/core/distinct_index1.js new file mode 100644 index 00000000000..6de1a7927e4 --- /dev/null +++ b/jstests/core/distinct_index1.js @@ -0,0 +1,72 @@ + +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" ); +// There are only 10 values. We use the fast distinct hack and only examine each value once. +assert.eq( 10 , x.stats.n , "BA1" ) +assert.eq( 10 , x.stats.nscanned , "BA2" ) + +x = d( "a" , { a : { $gt : 5 } } ); +// Only 4 values of a are >= 5 and we use the fast distinct hack. +assert.eq(4, x.stats.n , "BB1" ) +assert.eq(4, x.stats.nscanned , "BB2" ) +assert.eq(0, x.stats.nscannedObjects , "BB3" ) + +x = d( "b" , { a : { $gt : 5 } } ); +// We can't use the fast distinct hack here because we're distinct-ing over 'b'. +assert.eq( 398 , x.stats.n , "BC1" ) +assert.eq( 398 , x.stats.nscanned , "BC2" ) +assert.eq( 398 , x.stats.nscannedObjects , "BC3" ) + +// Check proper nscannedObjects count when using a query optimizer cursor. +t.dropIndexes(); +t.ensureIndex( { a : 1, b : 1 } ); +x = d( "b" , { a : { $gt : 5 }, b : { $gt : 5 } } ); +printjson(x); +// 171 is the # of results we happen to scan when we don't use a distinct +// hack. When we use the distinct hack we scan 16, currently. +assert.lte(x.stats.n, 171); +assert.eq( 0 , x.stats.nscannedObjects , "BB3" ) + + + +// Cursor name should not be empty when using $or with hashed index. +// +t.dropIndexes(); +t.ensureIndex( { a : "hashed" } ); +x = d( "a", { $or : [ { a : 3 }, { a : 5 } ] } ); +assert.eq( 188, x.stats.n, "DA1" ); +assert.neq( "", x.stats.cursor, "DA2" ); |