Activerecord import update

Import to bulk insert rows into a table. Org is made possible through a partnership with the greater Ruby community. Become a contributor and improve the site yourself. The second parameter, array_ of_ values, is an array of arrays. With this form you can call import passing in an array of model objects that you want updated. Rails ( ActiveRecord) is finally able to do efficient bulk import/ upsert ( at least for PostgreSQL adapter) on its own. Activerecord import update.

Org is the Ruby community’ s gem hosting service. Use the API to find out more about available gems. Bulk insert is a database mechanism that allows you to insert many rows of data into your database. But what I really want, when a duplicate is found, is to update the non- key column of. The first parameter column_ names is an array of symbols or strings which specify the columns that you want to update.

Each subarray is a single set of values for a new record. Feb 09, · ActiveRecord Import is a gem that helps you do bulk insert. Instantly publish your gems and then install them. And before I start talking about the gem I thought it could be a good idea to mention what is a bulk insert. Aug 27, · I' m using ActiveRecord: : Base. Manually update the column after the record has been imported.

Sep 07, · When running import, activerecord- import does not automatically update counter cache columns. To update these columns, you will need to do one of the following: Provide values to the column as an argument on your object that is passed in. Import column_ names, array_ of_ values. I want the resulting rows to be unique on a particular combination of columns.

The on_ duplicate_ key_ update option will let me enforce a last- in- wins approach to duplicate resolution, with the non- key column getting the last value that is inserted.

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