Hitachi

Hitachi Advanced Database Application Development Guide


8.5.20 getBytes(String columnName)

Organization of this subsection

(1) Function

This method acquires as a byte array in the Java programming language the value in a specified column in the current row of the ResultSet object. The column whose value is to be acquired is specified in the argument.

The byte value indicates the row value returned by the JDBC driver.

(2) Format

public synchronized byte[] getBytes(String columnName) throws SQLException

(3) Arguments

String columnName

Specifies a column name.

(4) Return value

This method returns the column value. For details about the relationship between the retrieval result and the return value, see Table 8‒23: Relationship between the retrieval result and the return value (getBytes method).

(5) Exceptions

The JDBC driver throws an SQLException in the following cases: