org.apache.seatunnel.api.table.catalog

接口 DataTypeConvertor<T>

public interface DataTypeConvertor<T>

DataTypeConvertor is used to convert the data type between connector and SeaTunnel.

方法概要

限定符和类型	方法和说明
String	getIdentity()
T	toConnectorType(String field, SeaTunnelDataType<?> seaTunnelDataType, Map<String,Object> dataTypeProperties) Transfer the data type from SeaTunnel to connector.
SeaTunnelDataType<?>	toSeaTunnelType(String field, String connectorDataType) Transfer the data type from connector to SeaTunnel.
SeaTunnelDataType<?>	toSeaTunnelType(String field, T connectorDataType, Map<String,Object> dataTypeProperties) Transfer the data type from connector to SeaTunnel.

方法详细资料

toSeaTunnelType

SeaTunnelDataType<?> toSeaTunnelType(String field,
                                     String connectorDataType)

Transfer the data type from connector to SeaTunnel.

参数:

field - The field name of the column

connectorDataType - e.g. "int", "varchar(255)"

返回:

the data type of SeaTunnel

toSeaTunnelType

SeaTunnelDataType<?> toSeaTunnelType(String field,
                                     T connectorDataType,
                                     Map<String,Object> dataTypeProperties)

Transfer the data type from connector to SeaTunnel.

参数:

field - The field name of the column

connectorDataType - origin data type

dataTypeProperties - origin data type properties, e.g. precision, scale, length

返回:

SeaTunnel data type

toConnectorType

T toConnectorType(String field,
                  SeaTunnelDataType<?> seaTunnelDataType,
                  Map<String,Object> dataTypeProperties)

Transfer the data type from SeaTunnel to connector.

参数:

field - The field name of the column

seaTunnelDataType - seaTunnel data type

dataTypeProperties - seaTunnel data type properties, e.g. precision, scale, length

返回:

origin data type

getIdentity

String getIdentity()