68 lines
3.0 KiB
JavaScript
68 lines
3.0 KiB
JavaScript
/**
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* This test ensures that range predicates with a BinData value:
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* 1) Return the correct documents.
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* 2) Can perform index-only data access.
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*/
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(function() {
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'use strict';
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load("jstests/libs/analyze_plan.js");
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var coll = db.jstests_bindata_indexonly;
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coll.drop();
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assert.writeOK(coll.insert({_id: BinData(0, "AAAAAAAAAAAAAAAAAAAAAAAAAAAA"), a: 1}));
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assert.writeOK(coll.insert({_id: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhv"), a: 2}));
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assert.writeOK(coll.insert({_id: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhz"), a: 3}));
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assert.writeOK(coll.insert({_id: BinData(0, "////////////////////////////"), a: 4}));
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assert.commandWorked(coll.createIndex({_id: 1, a: 1}));
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function testIndexOnlyBinData(blob) {
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var explain = coll.find({$and: [{_id: {$lte: BinData(0, blob)}},
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{_id: {$gte: BinData(0, blob)}}]}, {_id: 1, a: 1})
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.hint({_id: 1, a: 1})
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.explain("executionStats");
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assert(isIndexOnly(explain.queryPlanner.winningPlan),
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"indexonly.BinData(0, " + blob + ") - must be index-only");
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assert.eq(1, explain.executionStats.nReturned,
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"EXACTone.BinData(0, " + blob + ") - should only return one in unique set");
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}
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testIndexOnlyBinData("AAAAAAAAAAAAAAAAAAAAAAAAAAAA");
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testIndexOnlyBinData("AQAAAAEBAAVlbl9VSwAAAAAAAAhv");
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testIndexOnlyBinData("AQAAAAEBAAVlbl9VSwAAAAAAAAhz");
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testIndexOnlyBinData("////////////////////////////");
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var explain;
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explain = coll.find({_id: {$lt: BinData(0, "AAAAAAAAAAAAAAAAAAAAAAAAAAAA")}}, {_id: 1, a: 1})
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.hint({_id: 1, a: 1})
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.explain("executionStats");
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assert(isIndexOnly(explain), "indexonly.$lt.1 - must be index-only");
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assert.eq(0, explain.executionStats.nReturned,
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"correctcount.$lt.1 - not returning correct documents");
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explain = coll.find({_id: {$gt: BinData(0, "////////////////////////////")}}, {_id: 1, a: 1})
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.hint({_id: 1, a: 1})
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.explain("executionStats");
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assert(isIndexOnly(explain), "indexonly.$gt.2 - must be index-only");
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assert.eq(0, explain.executionStats.nReturned,
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"correctcount.$gt.2 - not returning correct documents");
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explain = coll.find({_id: {$lte: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhv")}}, {_id: 1, a: 1})
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.hint({_id: 1, a: 1})
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.explain("executionStats");
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assert(isIndexOnly(explain), "indexonly.$lte.3 - must be index-only");
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assert.eq(2, explain.executionStats.nReturned,
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"correctcount.$lte.3 - not returning correct documents");
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explain = coll.find({_id: {$gte: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhz")}}, {_id: 1, a: 1})
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.hint({_id: 1, a: 1})
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.explain("executionStats");
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assert(isIndexOnly(explain), "indexonly.$gte.3 - must be index-only");
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assert.eq(2, explain.executionStats.nReturned,
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"correctcount.$gte.3 - not returning correct documents");
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coll.drop();
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})(); |