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Fix SQL result of Book.joins(reviews: :customer) query example

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Alexandre Barret 2021-03-24 09:09:11 +13:00
parent ad9e52066c
commit 7a0cb3d239
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guides/source/active_record_querying.md
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@ -1254,8 +1254,8 @@ This produces:
```sql
SELECT books.* FROM books
INNER JOIN reviews ON reviews.book_id = book.id
INNER JOIN customer ON customers.id = reviews.id
INNER JOIN reviews ON reviews.book_id = books.id
INNER JOIN customers ON customers.id = reviews.customer_id
```
Or, in English: "return all books that have a review by a customer."