14 lines
477 B
Ruby
14 lines
477 B
Ruby
class IndexCalendarEventsEffectiveContextCode < ActiveRecord::Migration
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def self.up
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if connection.adapter_name == 'PostgreSQL'
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connection.execute("CREATE INDEX index_calendar_events_on_effective_context_code ON calendar_events(effective_context_code) WHERE effective_context_code IS NOT NULL")
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else
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add_index :calendar_events, [:effective_context_code]
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end
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end
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def self.down
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remove_index :calendar_events, [:effective_context_code]
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end
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end
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