744738bd23
The fix ensures that the tightness predicates over the trailing fields of 2d/text indexes is checked. Predicates which are INEXACT_FETCH will then get affixed to the FETCH stage of the plan rather than incorrectly affixed to the IXSCAN.
23 lines
1.1 KiB
JavaScript
23 lines
1.1 KiB
JavaScript
// Tests for predicates which can use the trailing field of a text index.
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(function() {
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"use strict";
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const coll = db.fts_trailing_fields;
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coll.drop();
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assert.commandWorked(coll.createIndex({a: 1, b: "text", c: 1}));
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assert.writeOK(coll.insert({a: 2, b: "lorem ipsum"}));
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assert.eq(0, coll.find({a: 2, $text: {$search: "lorem"}, c: {$exists: true}}).itcount());
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assert.eq(1, coll.find({a: 2, $text: {$search: "lorem"}, c: null}).itcount());
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assert.eq(1, coll.find({a: 2, $text: {$search: "lorem"}, c: {$exists: false}}).itcount());
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// An equality predicate on the leading field isn't useful, but it shouldn't cause any problems.
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// Same with an $elemMatch predicate on one of the trailing fields.
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coll.drop();
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assert.commandWorked(coll.createIndex({a: 1, b: "text", "c.d": 1}));
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assert.writeOK(coll.insert({a: 2, b: "lorem ipsum", c: {d: 3}}));
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assert.eq(0, coll.find({a: [1, 2], $text: {$search: "lorem"}}).itcount());
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assert.eq(0, coll.find({a: 2, $text: {$search: "lorem"}, c: {$elemMatch: {d: 3}}}).itcount());
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}());
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