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19 lines
502 B
Ruby
19 lines
502 B
Ruby
module Post::ChangeSequenceMethods
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attr_accessor :increment_change_seq
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def self.included(m)
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m.before_create :touch_change_seq!
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m.after_save :update_change_seq
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end
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def touch_change_seq!
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self.increment_change_seq = true
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end
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def update_change_seq
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return if increment_change_seq.nil?
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execute_sql("UPDATE posts SET change_seq = nextval('post_change_seq') WHERE id = ?", id)
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self.change_seq = select_value_sql("SELECT change_seq FROM posts WHERE id = ?", id)
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end
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end
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