Create custom keys in ecto

Ecto uses int as the default data type for primary keys.

To use a different data type, do the following

1. Inside your migration, add “primary_key: false” to create table definition.

2. next this as the firs line inside the create table block

add :id, :uuid, primary_key: true
Thats it.

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[ custom key ]

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$foo = 'bar'