Tag Filter - (Pagination)

Dec 22, 2008
08:12

Custom group by pagination and a calculated field

This is a basic example of how to use the CakePHP paginator helper with the group by condition, it took a little mucking around but this is how I got it working.

In this example we have a Comment controller which I want to paginate a custom query displaying an IP address and a calculated count field of the number of spam comments from this particular IP address...

Filed under: Cakephp Tags: Pagination

(default) 9 queries took 9 ms
Nr	Query	Affected	Num. rows	Took (ms)
1	DESCRIBE `posts`	17	17	1
2	DESCRIBE `comments`	11	11	1
3	DESCRIBE `tags`	2	2	0
4	DESCRIBE `categories`	2	2	1
5	DESCRIBE `posts_tags`	2	2	1
6	DESCRIBE `categories_posts`	2	2	1
7	SELECT Post.* FROM posts Post, posts_tags pt, tags t WHERE t.tag = ('Pagination') AND t.id = pt.tag_id AND pt.post_id = Post.id AND Post.status = 1 ORDER BY Post.created DESC	1	1	2
8	SELECT category, COUNT(*) AS cat_cnt FROM categories_posts c2p INNER JOIN categories Cat ON c2p.category_id = Cat.id GROUP BY category	15	15	1
9	SELECT tag, COUNT(*) AS tag_cnt FROM posts_tags t2p INNER JOIN tags Tag ON t2p.tag_id = Tag.id GROUP BY tag	49	49	1

(default) 9 queries took 9 ms

Query

Error

Affected

Num. rows

Took (ms)

DESCRIBE `posts`

DESCRIBE `comments`

DESCRIBE `tags`

DESCRIBE `categories`

DESCRIBE `posts_tags`

DESCRIBE `categories_posts`

SELECT Post.* FROM posts Post, posts_tags pt, tags t WHERE t.tag = ('Pagination') AND t.id = pt.tag_id AND pt.post_id = Post.id AND Post.status = 1 ORDER BY Post.created DESC

SELECT category, COUNT(*) AS cat_cnt FROM categories_posts c2p INNER JOIN categories Cat ON c2p.category_id = Cat.id GROUP BY category

SELECT tag, COUNT(*) AS tag_cnt FROM posts_tags t2p INNER JOIN tags Tag ON t2p.tag_id = Tag.id GROUP BY tag

Tag Filter - (Pagination)

Custom group by pagination and a calculated field

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