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Enable the override of the default attributes #635

merged 1 commit into from May 22, 2013


3 participants

sevastos commented May 21, 2013

From what I understood the DAO factory adds some default attributes. In that process it adds the id column with options suited to a traditional PK along with the Integer data type.

I wanted my id to have a different datatype but when I do the following:

sequelize.define('picture', {
      id : Sequelize.BIGINT

it does nothing, due to the way the addition of the default attributes. So I made some changes to support that.

Let me know what you think.


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sevastos commented May 21, 2013

Both postgres and mysql pass, but apparently sqlite is blocking this.

--> in Database#all('CREATE TABLE IF NOT EXISTS `pictures` (`id` BIGINT PRIMARY KEY AUTOINCREMENT, `createdAt` DATETIME NOT NULL, `updatedAt` DATETIME NOT NULL);', [Function])

A way to proceed would be to check for the combo of BIGINT and autoincrement and throw an exception just for sqlite, but I am not sure how I feel about having different behavior per driver.

Another better way imo would be just to change the test options to have { autoincrement: false} and let the developer bump to the sqlite restriction when it happens.

Feedback welcome.

self.rawAttributes[attr] = value
if (Utils._.isUndefined(self.rawAttributes[attr])) {
self.rawAttributes[attr] = value

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sevastos May 21, 2013


There is also Utils._.merge that could be used here and make it more flexible, but it could be more risky as well.


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jkarsrud commented May 21, 2013

This is a much hidden feature that I bet most people aren't aware of exists. Allowing people do override defaults like id is something that should be in, as there are use cases where the id isn't always a number (they can be GUID's for instance).


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sevastos commented May 21, 2013

@sdepold you're right, all int-variants are just aliases to INTEGER, magic handles the sizes1.

So I added on sqlite's query-generator a check for when autoincrement is present to replace BIGINT with INTEGER .

All green, let me know if you want something different.


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sdepold commented May 22, 2013

Thanks a lot.

sdepold added a commit that referenced this pull request May 22, 2013

Merge pull request #635 from sevastos/override-default-attributes
Enable the override of the default attributes

@sdepold sdepold merged commit a7436d3 into sequelize:master May 22, 2013

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