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docs: fixed example with the books

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Kacper Kula 2025-02-04 20:12:32 +00:00
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14
docs/links-and-images.md
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@ -41,15 +41,17 @@ The example below uses [Goodreads-books](https://www.kaggle.com/datasets/jealous
TABLE books = file(books.csv)
SELECT
a('https://openlibrary.org/isbn/' || isbn13, title) as title,
authors,
isbn13,
img('https://covers.openlibrary.org/b/isbn/' || isbn13 || '-L.jpg') as cover
from books
WHERE authors LIKE concat('%', @author, '%')
a(title, 'https://openlibrary.org/isbn/' || CAST(isbn13 as int)) as title,
authors,
img('https://covers.openlibrary.org/b/isbn/' || CAST(isbn13 as INT) || '-L.jpg') as cover FROM books
WHERE authors
LIKE '%' || @author || '%'
LIMIT 10
```
> [!NOTE] Type Casting
> In the example above we need to cast isbn13 (which is the number) to integer so SQLite properly uses it. Without casting it would behave like a REAL number and would have `.0` added in the end. SQLite (which we use as an engine) [treats types quite loosely](https://www.sqlite.org/datatype3.html) so you might run into small problems like that once in a while when doing very advanced processing.
![Advanced links and images](links-and-images-advanced.png)
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