org.apache.seatunnel.connectors.seatunnel.jdbc.internal

类 JdbcInputFormat

java.lang.Object

org.apache.seatunnel.connectors.seatunnel.jdbc.internal.JdbcInputFormat

所有已实现的接口:

Serializable

public class JdbcInputFormat
extends Object
implements Serializable

InputFormat to read data from a database and generate Rows. The InputFormat has to be configured using the supplied InputFormatBuilder. A valid RowTypeInfo must be properly configured in the builder

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
JdbcInputFormat(JdbcSourceConfig config, Map<TablePath,CatalogTable> tables)

方法概要

限定符和类型	方法和说明
void	close() Closes all resources used.
void	closeInputFormat()
SeaTunnelRow	nextRecord() Convert a row of data to seatunnelRow
void	open(JdbcSourceSplit inputSplit) Connects to the source database and executes the query
void	openInputFormat()
boolean	reachedEnd() Checks whether all data has been read.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

JdbcInputFormat

public JdbcInputFormat(JdbcSourceConfig config,
                       Map<TablePath,CatalogTable> tables)

方法详细资料

openInputFormat

public void openInputFormat()

closeInputFormat

public void closeInputFormat()
                      throws IOException

抛出:

IOException

open

public void open(JdbcSourceSplit inputSplit)
          throws IOException

Connects to the source database and executes the query

参数:

inputSplit - which is ignored if this InputFormat is executed as a non-parallel source, a "hook" to the query parameters otherwise (using its parameterId)

抛出:

IOException - if there's an error during the execution of the query

close

public void close()
           throws IOException

Closes all resources used.

抛出:

IOException - Indicates that a resource could not be closed.

reachedEnd

public boolean reachedEnd()

Checks whether all data has been read.

返回:

boolean value indication whether all data has been read.

nextRecord

public SeaTunnelRow nextRecord()

Convert a row of data to seatunnelRow