96ce2da74e
This method usually has really bad performance implications, as it loads rows into memory and deletes them one by one.
22 lines
594 B
Ruby
22 lines
594 B
Ruby
# frozen_string_literal: true
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module RuboCop
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module Cop
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# Cop that blacklists the use of `destroy_all`.
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class DestroyAll < RuboCop::Cop::Cop
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MSG = 'Use `delete_all` instead of `destroy_all`. ' \
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'`destroy_all` will load the rows into memory, then execute a ' \
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'`DELETE` for every individual row.'
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def_node_matcher :destroy_all?, <<~PATTERN
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(send {send ivar lvar const} :destroy_all ...)
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PATTERN
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def on_send(node)
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return unless destroy_all?(node)
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add_offense(node, location: :expression)
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end
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end
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end
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end
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