How do I create an index in a Rails migration?
An example of an AI chatbot conversation about creating indexes in Rails migrations.
How do I create an index in a Rails migration?
You can create an index in a Rails migration using the add_index method. For example: add_index :table_name, :column_name.
Can I create a unique index?
Yes, you can create a unique index by adding the unique: true option: add_index :table_name, :column_name, unique: true.
What if I want to add multiple columns to the index?
You can add multiple columns by passing an array: add_index :table_name, [:column1, :column2].
How do I remove an index?
To remove an index, use the remove_index method: remove_index :table_name, :column_name.
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