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30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
59 lines
1.4 KiB
Ruby
59 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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class CommentMigration < ActiveRecord::Migration[4.2]
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def comments_up
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raise "Not implemented"
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end
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def up
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comments_up.each do |table|
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table[1].each do |column|
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table_name = table[0]
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column_name = column[0]
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comment = column[1]
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if column_name == :_table
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DB.exec "COMMENT ON TABLE #{table_name} IS ?", comment
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puts " COMMENT ON TABLE #{table_name}"
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else
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DB.exec "COMMENT ON COLUMN #{table_name}.#{column_name} IS ?", comment
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puts " COMMENT ON COLUMN #{table_name}.#{column_name}"
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end
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end
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end
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end
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def comments_down
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{}
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end
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def down
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replace_nils(comments_up).deep_merge(comments_down).each do |table|
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table[1].each do |column|
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table_name = table[0]
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column_name = column[0]
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comment = column[1]
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if column_name == :_table
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DB.exec "COMMENT ON TABLE #{table_name} IS ?", comment
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puts " COMMENT ON TABLE #{table_name}"
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else
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DB.exec "COMMENT ON COLUMN #{table_name}.#{column_name} IS ?", comment
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puts " COMMENT ON COLUMN #{table_name}.#{column_name}"
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end
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end
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end
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end
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private
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def replace_nils(hash)
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hash.each do |key, value|
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if Hash === value
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hash[key] = replace_nils value
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else
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hash[key] = nil
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end
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end
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end
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end
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