Package org.postgresql.core.v3

Class CopyOperationImpl

java.lang.Object
org.postgresql.core.v3.CopyOperationImpl
All Implemented Interfaces:
CopyOperation
Direct Known Subclasses:
CopyDualImpl, CopyInImpl, CopyOutImpl
public abstract class CopyOperationImpl extends Object implements CopyOperation

  • Constructor Details

    • CopyOperationImpl

      public CopyOperationImpl()

  • Method Details

    • getQueryExecutor

      protected QueryExecutorImpl getQueryExecutor()

    • cancelCopy

      public void cancelCopy() throws SQLException
      Description copied from interface: CopyOperation
      Cancels this copy operation, discarding any exchanged data.
      Specified by:
      cancelCopy in interface CopyOperation
      Throws:
      SQLException - if cancelling fails

    • getFieldCount

      public int getFieldCount()
      Specified by:
      getFieldCount in interface CopyOperation
      Returns:
      number of fields in each row for this operation

    • getFieldFormat

      public int getFieldFormat(int field)
      Specified by:
      getFieldFormat in interface CopyOperation
      Parameters:
      field - number of field (0..fieldCount()-1)
      Returns:
      format of requested field: 0 = textual, 1 = binary

    • getFormat

      public int getFormat()
      Specified by:
      getFormat in interface CopyOperation
      Returns:
      overall format of each row: 0 = textual, 1 = binary

    • isActive

      public boolean isActive()
      Specified by:
      isActive in interface CopyOperation
      Returns:
      is connection reserved for this Copy operation?

    • handleCommandStatus

      public void handleCommandStatus(String status) throws PSQLException
      Throws:
      PSQLException

    • handleCopydata

      protected abstract void handleCopydata(byte[] data) throws PSQLException
      Consume received copy data.
      Parameters:
      data - data that was receive by copy protocol
      Throws:
      PSQLException - if some internal problem occurs

    • getHandledRowCount

      public long getHandledRowCount()
      Description copied from interface: CopyOperation
      After successful end of copy, returns the number of database records handled in that operation. Only implemented in PostgreSQL server version 8.2 and up. Otherwise, returns -1.
      Specified by:
      getHandledRowCount in interface CopyOperation
      Returns:
      number of handled rows or -1