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'use strict'; | ||
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var gcloud = require('gcloud'); | ||
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// This mock is used in the documentation snippets. | ||
var datastore = { | ||
runQuery: function() {} | ||
}; | ||
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function Metadata(projectId) { | ||
this.datastore = gcloud.datastore({ | ||
projectId: projectId | ||
}); | ||
} | ||
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Metadata.prototype.testNamespaceRunQuery = function(callback) { | ||
var self = this; | ||
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datastore.createQuery = this.datastore.createQuery; | ||
datastore.key = this.datastore.key; | ||
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var startNamespace = 'Animals'; | ||
var endNamespace = 'Zoos'; | ||
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this.datastore.save([ | ||
{ | ||
key: datastore.key({ | ||
namespace: 'Animals', | ||
path: ['Ant', 1] | ||
}), | ||
data: {} | ||
} | ||
], function(err) { | ||
if (err) { | ||
callback(err); | ||
return; | ||
} | ||
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// jshint unused:false | ||
// [START namespace_run_query] | ||
var query = datastore.createQuery('__namespace__') | ||
.select('__key__') | ||
.filter('__key__ >=', datastore.key(['__namespace__', startNamespace])) | ||
.filter('__key__ <', datastore.key(['__namespace__', endNamespace])); | ||
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datastore.runQuery(query, function(err, entities) { | ||
if (err) { | ||
// An error occurred while running the query. | ||
return; | ||
} | ||
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var namespaces = entities.map(function(entity) { | ||
return entity.key.path.pop(); | ||
}); | ||
}); | ||
// [END namespace_run_query] | ||
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self.datastore.runQuery(query, callback); | ||
}); | ||
}; | ||
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Metadata.prototype.testKindRunQuery = function(callback) { | ||
datastore.createQuery = this.datastore.createQuery; | ||
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// jshint unused:false | ||
// [START kind_run_query] | ||
var query = datastore.createQuery('__kind__') | ||
.select('__key__'); | ||
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datastore.runQuery(query, function(err, entities) { | ||
if (err) { | ||
// An error occurred while running the query. | ||
return; | ||
} | ||
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var kinds = entities.map(function(entity) { | ||
return entity.key.path.pop(); | ||
}); | ||
}); | ||
// [END kind_run_query] | ||
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this.datastore.runQuery(query, callback); | ||
}; | ||
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Metadata.prototype.testPropertyRunQuery = function(callback) { | ||
// ] | ||
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// [START property_run_query] | ||
// [END property_run_query] | ||
}; | ||
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Metadata.prototype.testPropertyByKindRunQuery = function(callback) { | ||
// SELECT * FROM __property__ WHERE __key__ HAS ANCESTOR KEY('__kind__', 'Task'), | ||
// representations_by_property = {prop_name: [representations]} | ||
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// [START property_by_kind_run_query] | ||
// [END property_by_kind_run_query] | ||
}; | ||
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module.exports = Metadata; |
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'use strict'; | ||
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var assert = require('assert'); | ||
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var Metadata = require('../../datastore/metadata'); | ||
var metadata; | ||
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before(function() { | ||
metadata = new Metadata(process.env.TEST_PROJECT_ID); | ||
}); | ||
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describe('namespace query', function() { | ||
it('performs a namespace query', function(done) { | ||
metadata.testNamespaceRunQuery(done); | ||
}); | ||
}); | ||
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describe('kinds query', function() { | ||
it('performs a kind query', function(done) { | ||
metadata.testKindRunQuery(done); | ||
}); | ||
}); |