@Override
  public Sql[] generateSql(
      final AddAutoIncrementStatement statement,
      Database database,
      SqlGeneratorChain sqlGeneratorChain) {
    List<Sql> statements = new ArrayList<Sql>();

    // define alter table logic
    SQLiteDatabase.AlterTableVisitor rename_alter_visitor =
        new SQLiteDatabase.AlterTableVisitor() {
          @Override
          public ColumnConfig[] getColumnsToAdd() {
            return new ColumnConfig[0];
          }

          @Override
          public boolean copyThisColumn(ColumnConfig column) {
            return true;
          }

          @Override
          public boolean createThisColumn(ColumnConfig column) {
            if (column.getName().equals(statement.getColumnName())) {
              column.setAutoIncrement(true);
              column.setType("INTEGER");
            }
            return true;
          }

          @Override
          public boolean createThisIndex(Index index) {
            return true;
          }
        };

    try {
      // alter table
      for (SqlStatement generatedStatement :
          SQLiteDatabase.getAlterTableStatements(
              rename_alter_visitor,
              database,
              statement.getCatalogName(),
              statement.getSchemaName(),
              statement.getTableName())) {
        statements.addAll(
            Arrays.asList(
                SqlGeneratorFactory.getInstance().generateSql(generatedStatement, database)));
      }
    } catch (DatabaseException e) {
      e.printStackTrace();
    }

    return statements.toArray(new Sql[statements.size()]);
  }
 @Override
 public Sql[] generateSql(
     AddAutoIncrementStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) {
   return new Sql[] {
     new UnparsedSql(
         "ALTER TABLE "
             + database.escapeTableName(
                 statement.getCatalogName(), statement.getSchemaName(), statement.getTableName())
             + " MODIFY "
             + database.escapeColumnName(
                 statement.getCatalogName(),
                 statement.getSchemaName(),
                 statement.getTableName(),
                 statement.getColumnName())
             + " "
             + DataTypeFactory.getInstance()
                 .fromDescription(statement.getColumnDataType() + "{autoIncrement:true}")
                 .toDatabaseDataType(database),
         getAffectedColumn(statement))
   };
 }