Returns the position of a specified pattern in the BLOB based on the given pattern and starting index.
语法
public long position(java.sql.Blob pattern,
long start)参数
pattern
The pattern to search for.
start
The start index to search at.
返回值
A long value of the position where the pattern was found, or -1 if it was not found.
异常
备注
This position method is specified by the position method in the java.sql.Blob interface.