org.apache.druid.catalog.model.table

Class BaseInputSourceDefn.AdHocTableFunction

java.lang.Object

org.apache.druid.catalog.model.table.BaseTableFunction

org.apache.druid.catalog.model.table.BaseInputSourceDefn.AdHocTableFunction

All Implemented Interfaces:

TableFunction

Enclosing class:

BaseInputSourceDefn

public class BaseInputSourceDefn.AdHocTableFunction
extends BaseTableFunction

The "from-scratch" table function for this input source. The parameters are those defined by the subclass, and the apply simply turns around and asks the input source definition to do the conversion.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.druid.catalog.model.table.BaseTableFunction

BaseTableFunction.Parameter

Nested classes/interfaces inherited from interface org.apache.druid.catalog.model.table.TableFunction

TableFunction.ParameterDefn, TableFunction.ParameterType

Constructor Summary

Constructors

Constructor and Description
AdHocTableFunction(List<TableFunction.ParameterDefn> parameters)

Method Summary

Modifier and Type	Method and Description
ExternalTableSpec	apply(String fnName, Map<String,Object> args, List<ColumnSpec> columns, com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Methods inherited from class org.apache.druid.catalog.model.table.BaseTableFunction

parameters, requireSchema

Methods inherited from class java.lang.Object

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

Constructor Detail

AdHocTableFunction

public AdHocTableFunction(List<TableFunction.ParameterDefn> parameters)

Method Detail

apply

public ExternalTableSpec apply(String fnName,
                               Map<String,Object> args,
                               List<ColumnSpec> columns,
                               com.fasterxml.jackson.databind.ObjectMapper jsonMapper)