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need example of how to store unindexed,binary data in datastore #971

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bradabrams opened this issue Nov 27, 2015 · 2 comments
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need example of how to store unindexed,binary data in datastore #971

bradabrams opened this issue Nov 27, 2015 · 2 comments
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api: datastore Issues related to the Datastore API. type: question Request for information or clarification. Not an issue.

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@bradabrams
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I can't figure out how to store an entity in datastore that has this field... Any idea? Any example would be great

filecontents: {blobValue: filecontents, indexed: false},

@jgeewax jgeewax added type: question Request for information or clarification. Not an issue. api: datastore Issues related to the Datastore API. labels Nov 30, 2015
@jgeewax
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jgeewax commented Nov 30, 2015

I think the answer is to use a Buffer which we'll then notice is a buffer, and set the value as the blob_value in the proto, which shouldn't be indexed... (code is here)

So the example would look like:

var gcloud = require('gcloud')({ keyFilename: '/path/to/keyfile.json' });
var datastore = gcloud.datastore;
var dataset = datastore.dataset({projectId: 'your-dataset-id'});

var yourBuffer = new Buffer([0x0000, 0x0001, 0x0002]);

/* or you can set this to a file's contents:
var yourBuffer = fs.readFileSync('/path/to/yourfile');
*/

dataset.save({
  key: dataset.key('YourKind'),
  data: {
    yourBlobProperty: yourBuffer
  }, function(err) {
  if (!err) {
    console.log('Just saved', key.path);
  }
});

@jgeewax
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jgeewax commented Nov 30, 2015

Going to mark this as closed, but feel free to re-open if you think this is wrong.

If you have an idea for how to improve the docs, feel free to open a PR. The examples for dataset.save have demos of the types we try to support:

var key = dataset.key('Company');

dataset.save({
  key: key,
  data: {
    name: 'DonutShack', // strings
    rating: gcloud.datastore.int(8), // ints
    worth: gcloud.datastore.double(123456.78), // doubles
    numDonutsServed: 45, // detect number type (int or double)
    founded: new Date('Tue May 12 2015 15:30:00 GMT-0400 (EDT)'), // dates
    isStartup: true, // booleans
    donutEmoji: new Buffer('\uD83C\uDF69'), // buffers
    keywords: [ 'donut', 'coffee', 'yum' ] // lists of objects
  }
}, function(err) {});

@jgeewax jgeewax closed this as completed Nov 30, 2015
sofisl pushed a commit that referenced this issue Nov 11, 2022
- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 470911839

Source-Link: googleapis/googleapis@3527566

Source-Link: googleapis/googleapis-gen@f16a1d2
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feat: accept google-gax instance as a parameter
Please see the documentation of the client constructor for details.

PiperOrigin-RevId: 470332808

Source-Link: googleapis/googleapis@d4a2367

Source-Link: googleapis/googleapis-gen@e97a1ac
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZTk3YTFhYzIwNGVhZDRmZTczNDFmOTFlNzJkYjdjNmFjNjAxNjM0MSJ9

fix: better support for fallback mode
PiperOrigin-RevId: 468790263

Source-Link: googleapis/googleapis@873ab45

Source-Link: googleapis/googleapis-gen@cb6f37a
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiY2I2ZjM3YWVmZjJhMzQ3MmU0MGE3YmJhY2U4YzY3ZDc1ZTI0YmVlNSJ9

docs: updated some method comments and added an explicit note that DetectIntentRequest's text input is limited by 256 characters
PiperOrigin-RevId: 463362184

Source-Link: googleapis/googleapis@1805fc2

Source-Link: googleapis/googleapis-gen@c47083a
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docs: added an explicit note that DetectIntentRequest's text input is limited by 256 characters
PiperOrigin-RevId: 463252698

Source-Link: googleapis/googleapis@eeacaab

Source-Link: googleapis/googleapis-gen@da3bfa0
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZGEzYmZhMDhiYTc3ZDE0YmE2NmU2ZWVlZTVhZDE1OWVmMzY1ZGYwZiJ9
sofisl pushed a commit that referenced this issue Jan 24, 2023
- fix(deps): use google-gax v3.5.2
- fix: add comma
sofisl pushed a commit that referenced this issue Jan 25, 2023
- fix(deps): use google-gax v3.5.2
- fix: add comma
gcf-owl-bot bot added a commit that referenced this issue Dec 12, 2024
Source-Link: googleapis/googleapis@7d0c6be

Source-Link: googleapis/googleapis-gen@2ddc476
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