Retrieves all or part of the BLOB value that this Blob object represents as an array of bytes.
The result byte array contains up to length consecutive bytes from the BLOB value designated by this Blob object, starting with the byte at position pos.
If pos + length - 1 is larger than the length of the BLOB in bytes, the length of the resulting byte array is less than length.
getBytes(long pos, int length)
- The ordinal position of the first byte in the BLOB value to be extracted.
- The first byte is at position 1.
- The number of consecutive bytes to be copied.
|IF …||THEN getBytes() throws an SQLException to …|
|there is an error accessing the BLOB value||indicate an unexpected failure while reading LOB data, setting the SQLException fields as follows:
|the value of the pos argument is less than 1
the value of the length argument is negative
|indicate an invalid argument, setting the SQLException fields as follows:
|the value of the length argument is too large for the current JVM to allocate the required memory in this method||indicate that JVM heap memory has run out, setting the SQLException fields as follows: