'use strict'; exports.up = function(db, cb) { db.runSql( ` CREATE INDEX IF NOT EXISTS idx_events_feature_type_id ON events (id) WHERE feature_name IS NOT NULL OR type IN ('segment-updated', 'feature_import', 'features-imported'); `, cb, ); }; exports.down = function(db, cb) { db.runSql(` DROP INDEX IF EXISTS idx_events_feature_type_id; `, cb); };