Flowdock
method

decrement_counter

Importance_1
v4.0.2 - Show latest stable - 0 notes - Class: ClassMethods
decrement_counter(counter_name, id) public

Decrement a numeric field by one, via a direct SQL update.

This works the same as increment_counter but reduces the column value by 1 instead of increasing it.

Parameters

  • counter_name - The name of the field that should be decremented.

  • id - The id of the object that should be decremented or an Array of ids.

Examples

# Decrement the post_count column for the record with an id of 5
DiscussionBoard.decrement_counter(:post_count, 5)
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