org.apache.flink.connector.jdbc.converter

类 AbstractJdbcRowConverter

java.lang.Object

org.apache.flink.connector.jdbc.converter.AbstractJdbcRowConverter

所有已实现的接口:

Serializable, JdbcRowConverter

直接已知子类:

DerbyRowConverter, MySQLRowConverter, OracleRowConverter, PostgresRowConverter

public abstract class AbstractJdbcRowConverter
extends Object
implements JdbcRowConverter

Base class for all converters that convert between JDBC object and Flink internal object.

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
static interface	AbstractJdbcRowConverter.JdbcDeserializationConverter Runtime converter to convert JDBC field to RowData type object.
static interface	AbstractJdbcRowConverter.JdbcSerializationConverter Runtime converter to convert RowData field to java object and fill into the PreparedStatement.

字段概要

字段

限定符和类型	字段和说明
protected org.apache.flink.table.types.logical.LogicalType[]	fieldTypes
protected org.apache.flink.table.types.logical.RowType	rowType
protected AbstractJdbcRowConverter.JdbcSerializationConverter[]	toExternalConverters
protected AbstractJdbcRowConverter.JdbcDeserializationConverter[]	toInternalConverters

构造器概要

构造器

构造器和说明
AbstractJdbcRowConverter(org.apache.flink.table.types.logical.RowType rowType)

方法概要

限定符和类型	方法和说明
abstract String	converterName()
protected AbstractJdbcRowConverter.JdbcSerializationConverter	createExternalConverter(org.apache.flink.table.types.logical.LogicalType type)
protected AbstractJdbcRowConverter.JdbcDeserializationConverter	createInternalConverter(org.apache.flink.table.types.logical.LogicalType type)
protected AbstractJdbcRowConverter.JdbcSerializationConverter	createNullableExternalConverter(org.apache.flink.table.types.logical.LogicalType type) Create a nullable JDBC fAbstractJdbcRowConverter.JdbcSerializationConverter from given sql type.
protected AbstractJdbcRowConverter.JdbcDeserializationConverter	createNullableInternalConverter(org.apache.flink.table.types.logical.LogicalType type) Create a nullable runtime AbstractJdbcRowConverter.JdbcDeserializationConverter from given LogicalType.
FieldNamedPreparedStatement	toExternal(org.apache.flink.table.data.RowData rowData, FieldNamedPreparedStatement statement) Convert data retrieved from Flink internal RowData to JDBC Object.
org.apache.flink.table.data.RowData	toInternal(ResultSet resultSet) Convert data retrieved from ResultSet to internal RowData.
protected AbstractJdbcRowConverter.JdbcSerializationConverter	wrapIntoNullableExternalConverter(AbstractJdbcRowConverter.JdbcSerializationConverter jdbcSerializationConverter, org.apache.flink.table.types.logical.LogicalType type)
protected AbstractJdbcRowConverter.JdbcDeserializationConverter	wrapIntoNullableInternalConverter(AbstractJdbcRowConverter.JdbcDeserializationConverter jdbcDeserializationConverter)

从类继承的方法 java.lang.Object

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

字段详细资料

rowType

protected final org.apache.flink.table.types.logical.RowType rowType

toInternalConverters

protected final AbstractJdbcRowConverter.JdbcDeserializationConverter[] toInternalConverters

toExternalConverters

protected final AbstractJdbcRowConverter.JdbcSerializationConverter[] toExternalConverters

fieldTypes

protected final org.apache.flink.table.types.logical.LogicalType[] fieldTypes

构造器详细资料

AbstractJdbcRowConverter

public AbstractJdbcRowConverter(org.apache.flink.table.types.logical.RowType rowType)

方法详细资料

converterName

public abstract String converterName()

toInternal

public org.apache.flink.table.data.RowData toInternal(ResultSet resultSet)
                                               throws SQLException

从接口复制的说明: JdbcRowConverter

Convert data retrieved from ResultSet to internal RowData.

指定者:

toInternal 在接口中 JdbcRowConverter

参数:

resultSet - ResultSet from JDBC

抛出:

SQLException

toExternal

public FieldNamedPreparedStatement toExternal(org.apache.flink.table.data.RowData rowData,
                                              FieldNamedPreparedStatement statement)
                                       throws SQLException

从接口复制的说明: JdbcRowConverter

Convert data retrieved from Flink internal RowData to JDBC Object.

指定者:

toExternal 在接口中 JdbcRowConverter

参数:

rowData - The given internal RowData.

statement - The statement to be filled.

返回:

The filled statement.

抛出:

SQLException

createNullableInternalConverter

protected AbstractJdbcRowConverter.JdbcDeserializationConverter createNullableInternalConverter(org.apache.flink.table.types.logical.LogicalType type)

Create a nullable runtime AbstractJdbcRowConverter.JdbcDeserializationConverter from given LogicalType.

wrapIntoNullableInternalConverter

protected AbstractJdbcRowConverter.JdbcDeserializationConverter wrapIntoNullableInternalConverter(AbstractJdbcRowConverter.JdbcDeserializationConverter jdbcDeserializationConverter)

createInternalConverter

protected AbstractJdbcRowConverter.JdbcDeserializationConverter createInternalConverter(org.apache.flink.table.types.logical.LogicalType type)

createNullableExternalConverter

protected AbstractJdbcRowConverter.JdbcSerializationConverter createNullableExternalConverter(org.apache.flink.table.types.logical.LogicalType type)

Create a nullable JDBC fAbstractJdbcRowConverter.JdbcSerializationConverter from given sql type.

wrapIntoNullableExternalConverter

protected AbstractJdbcRowConverter.JdbcSerializationConverter wrapIntoNullableExternalConverter(AbstractJdbcRowConverter.JdbcSerializationConverter jdbcSerializationConverter,
                                                                                                org.apache.flink.table.types.logical.LogicalType type)

createExternalConverter

protected AbstractJdbcRowConverter.JdbcSerializationConverter createExternalConverter(org.apache.flink.table.types.logical.LogicalType type)