package com.layoutxml.sabs.db.migration; import android.arch.persistence.db.SupportSQLiteDatabase; import android.arch.persistence.room.migration.Migration; public class Migration_20_21 extends Migration { public Migration_20_21(int startVersion, int endVersion) { super(startVersion, endVersion); } @Override public void migrate(SupportSQLiteDatabase database) { database.execSQL("ALTER TABLE BlockUrlProviders ADD COLUMN policyPackageId TEXT DEFAULT 'default-policy' REFERENCES PolicyPackage(id)"); database.execSQL("ALTER TABLE UserBlockUrl ADD COLUMN policyPackageId TEXT DEFAULT 'default-policy' REFERENCES PolicyPackage(id)"); database.execSQL("ALTER TABLE WhiteUrl ADD COLUMN policyPackageId TEXT DEFAULT 'default-policy' REFERENCES PolicyPackage(id)"); } }