81 lines
3.0 KiB
JavaScript
81 lines
3.0 KiB
JavaScript
// @tags: [
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// # Cannot implicitly shard accessed collections because of extra shard key index in sharded
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// # collection.
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// assumes_no_implicit_index_creation,
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//
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// # Builds index in the background
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// requires_background_index,
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// ]
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// Test partial index creation and drops.
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(function() {
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"use strict";
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var coll = db.index_partial_create_drop;
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var getNumKeys = function(idxName) {
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var res = assert.commandWorked(coll.validate({full: true}));
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var kpi;
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var isShardedNS = res.hasOwnProperty('raw');
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if (isShardedNS) {
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kpi = res.raw[Object.getOwnPropertyNames(res.raw)[0]].keysPerIndex;
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} else {
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kpi = res.keysPerIndex;
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}
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return kpi[idxName];
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};
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coll.drop();
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// Check bad filter spec on create.
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assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: 5}));
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assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {x: {$asdasd: 3}}}));
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assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {$and: 5}}));
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assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {x: /abc/}}));
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assert.commandFailed(coll.ensureIndex({x: 1}, {
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partialFilterExpression: {$and: [{$and: [{x: {$lt: 2}}, {x: {$gt: 0}}]}, {x: {$exists: true}}]}
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}));
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// Use of $expr is banned in a partial index filter.
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assert.commandFailed(
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coll.createIndex({x: 1}, {partialFilterExpression: {$expr: {$eq: ["$x", 5]}}}));
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assert.commandFailed(coll.createIndex(
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{x: 1}, {partialFilterExpression: {$expr: {$eq: [{$trim: {input: "$x"}}, "hi"]}}}));
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for (var i = 0; i < 10; i++) {
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assert.commandWorked(coll.insert({x: i, a: i}));
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}
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// Create partial index.
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assert.commandWorked(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: {$lt: 5}}}));
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assert.eq(5, getNumKeys("x_1"));
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assert.commandWorked(coll.dropIndex({x: 1}));
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assert.eq(1, coll.getIndexes().length);
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// Create partial index in background.
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assert.commandWorked(
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coll.ensureIndex({x: 1}, {background: true, partialFilterExpression: {a: {$lt: 5}}}));
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assert.eq(5, getNumKeys("x_1"));
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assert.commandWorked(coll.dropIndex({x: 1}));
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assert.eq(1, coll.getIndexes().length);
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// Create complete index, same key as previous indexes.
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assert.commandWorked(coll.ensureIndex({x: 1}));
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assert.eq(10, getNumKeys("x_1"));
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assert.commandWorked(coll.dropIndex({x: 1}));
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assert.eq(1, coll.getIndexes().length);
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// Partial indexes can't also be sparse indexes.
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assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: 1}, sparse: true}));
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assert.commandFailed(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: 1}, sparse: 1}));
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assert.commandWorked(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: 1}, sparse: false}));
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assert.eq(2, coll.getIndexes().length);
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assert.commandWorked(coll.dropIndex({x: 1}));
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assert.eq(1, coll.getIndexes().length);
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// SERVER-18858: Verify that query compatible w/ partial index succeeds after index drop.
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assert.commandWorked(coll.ensureIndex({x: 1}, {partialFilterExpression: {a: {$lt: 5}}}));
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assert.commandWorked(coll.dropIndex({x: 1}));
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assert.eq(1, coll.find({x: 0, a: 0}).itcount());
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})();
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