18 lines
619 B
Ruby
18 lines
619 B
Ruby
class AddCommunicationChannelsIndex < ActiveRecord::Migration[4.2]
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tag :predeploy
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def self.up
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if connection.adapter_name == 'PostgreSQL'
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remove_index :communication_channels, [:path, :path_type]
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connection.execute("CREATE INDEX index_communication_channels_on_path_and_path_type ON #{CommunicationChannel.quoted_table_name} (LOWER(path), path_type)")
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end
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end
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def self.down
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if connection.adapter_name == 'PostgreSQL'
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connection.execute("DROP INDEX index_communication_channels_on_path_and_path_type")
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add_index :communication_channels, [:path, :path_type]
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end
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end
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end
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