8.5.9 getAsciiStream(int columnIndex)
- Organization of this subsection
(1) Function
This method acquires in a java.io.InputStream object 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 method does not convert the value to ASCII characters.
(2) Format
public synchronized InputStream getAsciiStream(int columnIndex) throws SQLException
(3) Arguments
- int columnIndex
-
Specifies a column number.
(4) Return value
This method returns a java.io.InputStream object that contains the retrieval result. The following table shows the relationship between the retrieval result and the return value.
HADB data type |
Retrieval result |
Return value |
---|---|---|
CHAR VARCHAR BINARY VARBINARY |
Null value |
null |
Other than the above |
java.io.InputStream object containing the retrieval result |
|
Other |
Not applicable |
SQLException is thrown. |
(5) Exceptions
The JDBC driver throws an SQLException in the following cases:
-
This ResultSet object is closed.
This includes the case where the ResultSet object was closed because the Statement object that created this ResultSet object was closed.
-
The Connection used to create the Statement object that created this ResultSet object has been closed.
-
The ResultSet object has become invalid due to transaction settlement.
-
A nonexistent column number was specified.
-
The data type cannot be acquired by this method.
-
An error occurred in the JDBC driver.