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Removed unclear doc in AR querying guide [ci skip]

The range example used in array conditions is unclear and talks about
the old 'conditions' option. Closes #4943.
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1 parent 0b019cc commit 6bea191a750db805aefa82339074fe61637e8fb1 @vijaydev vijaydev committed Apr 29, 2012
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  1. +0 −16 guides/source/active_record_querying.textile
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16 guides/source/active_record_querying.textile
@@ -356,20 +356,6 @@ Client.where("created_at >= :start_date AND created_at <= :end_date",
This makes for clearer readability if you have a large number of variable conditions.
-h5(#array-range_conditions). Range Conditions
-
-If you're looking for a range inside of a table (for example, users created in a certain timeframe) you can use the conditions option coupled with the +IN+ SQL statement for this. If you had two dates coming in from a controller you could do something like this to look for a range:
-
-<ruby>
-Client.where(:created_at => (params[:start_date].to_date)..(params[:end_date].to_date))
-</ruby>
-
-This query will generate something similar to the following SQL:
-
-<sql>
- SELECT "clients".* FROM "clients" WHERE ("clients"."created_at" BETWEEN '2010-09-29' AND '2010-11-30')
-</sql>
-
h4. Hash Conditions
Active Record also allows you to pass in hash conditions which can increase the readability of your conditions syntax. With hash conditions, you pass in a hash with keys of the fields you want conditionalised and the values of how you want to conditionalise them:
@@ -392,8 +378,6 @@ NOTE: The values cannot be symbols. For example, you cannot do +Client.where(:st
h5(#hash-range_conditions). Range Conditions
-The good thing about this is that we can pass in a range for our fields without it generating a large query as shown in the preamble of this section.
-
<ruby>
Client.where(:created_at => (Time.now.midnight - 1.day)..Time.now.midnight)
</ruby>

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