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Improve reading / style of hashes in AR guide

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Carlos Antonio da Silva 2013-11-19 10:54:46 -02:00
parent db3ec51832
commit 20d3484f32
1 changed files with 5 additions and 5 deletions
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10
guides/source/active_record_querying.md
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@ -473,7 +473,7 @@ In the case of a belongs_to relationship, an association key can be used to spec
```ruby
Post.where(author: author)
Author.joins(:posts).where(posts: {author: author})
Author.joins(:posts).where(posts: { author: author })
```
NOTE: The values cannot be symbols. For example, you cannot do `Client.where(status: :active)`.
@ -1022,7 +1022,7 @@ Or, in English: "return all posts that have a comment made by a guest."
#### Joining Nested Associations (Multiple Level)
```ruby
Category.joins(posts: [{comments: :guest}, :tags])
Category.joins(posts: [{ comments: :guest }, :tags])
```
This produces:
@ -1048,7 +1048,7 @@ An alternative and cleaner syntax is to nest the hash conditions:
```ruby
time_range = (Time.now.midnight - 1.day)..Time.now.midnight
Client.joins(:orders).where(orders: {created_at: time_range})
Client.joins(:orders).where(orders: { created_at: time_range })
```
This will find all clients who have orders that were created yesterday, again using a `BETWEEN` SQL expression.
@ -1109,7 +1109,7 @@ This loads all the posts and the associated category and comments for each post.
#### Nested Associations Hash
```ruby
Category.includes(posts: [{comments: :guest}, :tags]).find(1)
Category.includes(posts: [{ comments: :guest }, :tags]).find(1)
```
This will find the category with id 1 and eager load all of the associated posts, the associated posts' tags and comments, and every comment's guest association.
@ -1610,7 +1610,7 @@ Client.where(first_name: 'Ryan').count
You can also use various finder methods on a relation for performing complex calculations:
```ruby
Client.includes("orders").where(first_name: 'Ryan', orders: {status: 'received'}).count
Client.includes("orders").where(first_name: 'Ryan', orders: { status: 'received' }).count
```
Which will execute: