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v3.0

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CopyManager

CopyManager is an API class provided by the JDBC driver in MogDB. It is used to import data to MogDB in batches.

Inheritance Relationship of CopyManager

The CopyManager class is in the org.opengauss.copy package and inherits the java.lang.Object class. The declaration of the class is as follows:

public class CopyManager
extends Object

Construction Method

public CopyManager(BaseConnection connection)

throws SQLException

Common Methods

Table 1 Common methods of CopyManager

Return Value Method Description throws
CopyIn copyIn(String sql) - SQLException
long copyIn(String sql, InputStream from) Uses COPY FROM STDIN to quickly load data to tables in the database from InputStream. SQLException,IOException
long copyIn(String sql, InputStream from, int bufferSize) Uses COPY FROM STDIN to quickly load data to tables in the database from InputStream. SQLException,IOException
long copyIn(String sql, Reader from) Uses COPY FROM STDIN to quickly load data to tables in the database from Reader. SQLException,IOException
long copyIn(String sql, Reader from, int bufferSize) Uses COPY FROM STDIN to quickly load data to tables in the database from Reader. SQLException,IOException
CopyOut copyOut(String sql) - SQLException
long copyOut(String sql, OutputStream to) Sends the result set of COPY TO STDOUT from the database to the OutputStream class. SQLException,IOException
long copyOut(String sql, Writer to) Sends the result set of COPY TO STDOUT from the database to the Writer class. SQLException,IOException
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