CREATE TABLE IF NOT EXISTS "mig_entity_changes" ( `id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, `entityName` TEXT NOT NULL, `entityId` TEXT NOT NULL, `hash` TEXT NOT NULL, `isErased` INT NOT NULL, `changeId` TEXT NOT NULL, `componentId` TEXT NOT NULL, `instanceId` TEXT NOT NULL, `isSynced` INTEGER NOT NULL, `utcDateChanged` TEXT NOT NULL ); INSERT INTO mig_entity_changes (id, entityName, entityId, hash, isErased, changeId, componentId, instanceId, isSynced, utcDateChanged) SELECT id, entityName, entityId, hash, isErased, changeId, '', '', isSynced, utcDateChanged FROM entity_changes; DROP TABLE entity_changes; ALTER TABLE mig_entity_changes RENAME TO entity_changes; CREATE UNIQUE INDEX `IDX_entityChanges_entityName_entityId` ON "entity_changes" ( `entityName`, `entityId` );