@Override
	public String convertSqlType(String sqlType) {
		if ("DOUBLE".equals(sqlType)) {
			return "DOUBLE PRECISION";
		} else if ("TINYINT".equals(sqlType)) {
			// PostgreSQL does not have a byte type
			return "SMALLINT";
		} else if ("CLOB".equals(sqlType)) {
			return "TEXT";
		} else if ("BLOB".equals(sqlType)) {
			return "BYTEA";
		}
		return sqlType;
	}