Bump sequelize from 4.42.0 to 6.1.0 in /example

[dependabot]

Bumps sequelize from 4.42.0 to 6.1.0.

Release notes

Sourced from sequelize's releases.

v6

Sequelize v6 is the next major release after v5. Below is a list of breaking changes to help you upgrade.

Breaking Changes

Support for Node 10 and up

Sequelize v6 will only support Node 10 and up #10821.

CLS

You should now use cls-hooked package for CLS support.

  const cls = require('cls-hooked');
  const namespace = cls.createNamespace('....');
  const Sequelize = require('sequelize');
Sequelize.useCLS(namespace);

Database Engine Support

We have updated our minimum supported database engine versions. Using older database engine will show SEQUELIZE0006 deprecation warning. Please check ENGINE.md for version table.

Sequelize

• Bluebird has been removed. Internally all methods are now using async/await. Public API now returns native promises. Thanks to Andy Edwards for this refactor work.
• Sequelize.Promise is no longer available.
• sequelize.import method has been removed.

Model

options.returning

Option returning: true will no longer return attributes that are not defined in the model. Old behavior can be achieved by using returning: ['*'] instead.

Model.changed()

This method now tests for equality with _.isEqual and is now deep aware for JSON objects. Modifying a nested value for a JSON object won't mark it as changed (since it is still the same object).

  const instance = await MyModel.findOne();
instance.myJsonField.someProperty = 12345; // Changed from something else to 12345
console.log(instance.changed()); // false
await instance.save(); // this will not save anything
instance.changed('myJsonField', true);
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Commits

• 901bceb 6.1.0
• 6b32821 6.0.0-beta.7
• 0ca8d72 docs: prepare for v6 release (#12416)
• 663261b feat(sequelize): allow passing dialectOptions.options from url (#12404)
• c6e4192 fix(postgres): parse enums correctly when describing a table (#12409)
• e33d2bd fix(reload): include default scope (#12399)
• 5611ef0 build: update dependencies (#12395)
• e80501d fix(types): transactionType in Options (#12377)
• 4914367 fix(types): add clientMinMessages to Options interface (#12375)
• b71cd05 fix(query): preserve cls context for logger (#12328)
• Additional commits viewable in compare view

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