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[ci skip] Add information about total_count to readme documentation

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Anton Davydov 2015-03-02 15:40:59 +03:00
parent baf4704978
commit 0ec80b85c0
1 changed files with 6 additions and 4 deletions
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README.rdoc
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@ -61,10 +61,12 @@ Then bundle:
User.page(7).per(50)
Note that the +per+ scope is not directly defined on the models but is just a method defined on the page scope. This is absolutely reasonable because you will never actually use +per_page+ without specifying the +page+ number.
Keep in mind that +per+ utilizes internally +limit+ and so it will override any +limit+ that was set previously
User.count # => 1000
a = User.limit(5); a.count # => 5
b = a.page(1).per(20).size # => 20
Keep in mind that +per+ utilizes internally +limit+ and so it will override any +limit+ that was set previously.
And if you want get size for all request records you can use +total_count+ method:
User.count # => 1000
a = User.limit(5); a.count # => 5
a.page(1).per(20).size # => 20
a.page(1).per(20).total_count # => 1000
* the +padding+ scope