public class PGCopyInputStream extends java.io.InputStream implements CopyOut
| Constructor and Description |
|---|
PGCopyInputStream(CopyOut op)
Use given CopyOut operation for reading
|
PGCopyInputStream(PGConnection connection,
java.lang.String sql)
Uses given connection for specified COPY TO STDOUT operation
|
| Modifier and Type | Method and Description |
|---|---|
int |
available() |
void |
cancelCopy()
Cancels this copy operation, discarding any exchanged data.
|
void |
close() |
int |
getFieldCount() |
int |
getFieldFormat(int field) |
int |
getFormat() |
long |
getHandledRowCount()
After succesful end of copy, returns the number
of database records handled in that operation.
|
boolean |
isActive() |
int |
read() |
int |
read(byte[] buf) |
int |
read(byte[] buf,
int off,
int siz) |
byte[] |
readFromCopy() |
public PGCopyInputStream(PGConnection connection, java.lang.String sql) throws java.sql.SQLException
connection - database connection to use for copying (protocol version 3 required)sql - COPY TO STDOUT statementjava.sql.SQLException - if initializing the operation failspublic PGCopyInputStream(CopyOut op)
op - COPY TO STDOUT operationjava.sql.SQLException - if initializing the operation failspublic int available()
throws java.io.IOException
available in class java.io.InputStreamjava.io.IOExceptionpublic int read()
throws java.io.IOException
read in class java.io.InputStreamjava.io.IOExceptionpublic int read(byte[] buf)
throws java.io.IOException
read in class java.io.InputStreamjava.io.IOExceptionpublic int read(byte[] buf,
int off,
int siz)
throws java.io.IOException
read in class java.io.InputStreamjava.io.IOExceptionpublic byte[] readFromCopy()
throws java.sql.SQLException
readFromCopy in interface CopyOutjava.sql.SQLExceptionpublic void close()
throws java.io.IOException
close in interface java.io.Closeableclose in interface java.lang.AutoCloseableclose in class java.io.InputStreamjava.io.IOExceptionpublic void cancelCopy()
throws java.sql.SQLException
CopyOperationcancelCopy in interface CopyOperationjava.sql.SQLException - if cancelling failspublic int getFormat()
getFormat in interface CopyOperationpublic int getFieldFormat(int field)
getFieldFormat in interface CopyOperationfield - number of field (0..fieldCount()-1)public int getFieldCount()
getFieldCount in interface CopyOperationpublic boolean isActive()
isActive in interface CopyOperationpublic long getHandledRowCount()
CopyOperationgetHandledRowCount in interface CopyOperation