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java.lang.Objectjava.io.OutputStream
org.postgresql.copy.PGCopyOutputStream
public class PGCopyOutputStream
OutputStream for buffered input into a PostgreSQL COPY FROM STDIN operation
| Constructor Summary | |
|---|---|
PGCopyOutputStream(CopyIn op)
Use given CopyIn operation for writing |
|
PGCopyOutputStream(CopyIn op,
int bufferSize)
Use given CopyIn operation for writing |
|
PGCopyOutputStream(PGConnection connection,
java.lang.String sql)
Uses given connection for specified COPY FROM STDIN operation |
|
PGCopyOutputStream(PGConnection connection,
java.lang.String sql,
int bufferSize)
Uses given connection for specified COPY FROM STDIN operation |
|
| Method Summary | |
|---|---|
void |
cancelCopy()
Cancels this copy operation, discarding any exchanged data. |
void |
close()
|
long |
endCopy()
Finishes copy operation succesfully. |
void |
flush()
|
void |
flushCopy()
Force any buffered output to be sent over the network to the backend. |
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()
|
void |
write(byte[] buf)
|
void |
write(byte[] buf,
int off,
int siz)
|
void |
write(int b)
|
void |
writeToCopy(byte[] buf,
int off,
int siz)
Writes specified part of given byte array to an open and writable copy operation. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public PGCopyOutputStream(PGConnection connection,
java.lang.String sql)
throws java.sql.SQLException
connection - database connection to use for copying (protocol version 3 required)sql - COPY FROM STDIN statement
java.sql.SQLException - if initializing the operation fails
public PGCopyOutputStream(PGConnection connection,
java.lang.String sql,
int bufferSize)
throws java.sql.SQLException
connection - database connection to use for copying (protocol version 3 required)sql - COPY FROM STDIN statementbufferSize - try to send this many bytes at a time
java.sql.SQLException - if initializing the operation failspublic PGCopyOutputStream(CopyIn op)
op - COPY FROM STDIN operation
public PGCopyOutputStream(CopyIn op,
int bufferSize)
op - COPY FROM STDIN operationbufferSize - try to send this many bytes at a time| Method Detail |
|---|
public void write(int b)
throws java.io.IOException
write in class java.io.OutputStreamjava.io.IOException
public void write(byte[] buf)
throws java.io.IOException
write in class java.io.OutputStreamjava.io.IOException
public void write(byte[] buf,
int off,
int siz)
throws java.io.IOException
write in class java.io.OutputStreamjava.io.IOException
public void close()
throws java.io.IOException
close in interface java.io.Closeableclose in class java.io.OutputStreamjava.io.IOException
public void flush()
throws java.io.IOException
flush in interface java.io.Flushableflush in class java.io.OutputStreamjava.io.IOException
public void writeToCopy(byte[] buf,
int off,
int siz)
throws java.sql.SQLException
CopyIn
writeToCopy in interface CopyInbuf - array of bytes to writeoff - offset of first byte to write (normally zero)siz - number of bytes to write (normally buf.length)
java.sql.SQLException - if the operation failspublic int getFormat()
getFormat in interface CopyOperationpublic int getFieldFormat(int field)
getFieldFormat in interface CopyOperationfield - number of field (0..fieldCount()-1)
public void cancelCopy()
throws java.sql.SQLException
CopyOperation
cancelCopy in interface CopyOperationjava.sql.SQLException - if cancelling failspublic int getFieldCount()
getFieldCount in interface CopyOperationpublic boolean isActive()
isActive in interface CopyOperation
public void flushCopy()
throws java.sql.SQLException
CopyIn
flushCopy in interface CopyInjava.sql.SQLException
public long endCopy()
throws java.sql.SQLException
CopyIn
endCopy in interface CopyInjava.sql.SQLException - if the operation fails.public long getHandledRowCount()
CopyOperation
getHandledRowCount in interface CopyOperation
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