org.apache.flink.table.sources

Class CsvTableSource.CsvLookupFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.TableFunction<org.apache.flink.types.Row>

org.apache.flink.table.sources.CsvTableSource.CsvLookupFunction

All Implemented Interfaces:

Serializable, org.apache.flink.table.functions.FunctionDefinition

Enclosing class:

CsvTableSource

public static class CsvTableSource.CsvLookupFunction
extends org.apache.flink.table.functions.TableFunction<org.apache.flink.types.Row>

LookupFunction to support lookup in CsvTableSource.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
void	close()
void	eval(Object... values)
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row>	getResultType()
void	open(org.apache.flink.table.functions.FunctionContext context)

Methods inherited from class org.apache.flink.table.functions.TableFunction

collect, getKind, getParameterTypes, getTypeInference, setCollector

Methods inherited from class org.apache.flink.table.functions.UserDefinedFunction

functionIdentifier, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.functions.FunctionDefinition

getRequirements, isDeterministic

Method Detail

getResultType

public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row> getResultType()

Overrides:

getResultType in class org.apache.flink.table.functions.TableFunction<org.apache.flink.types.Row>

open

public void open(org.apache.flink.table.functions.FunctionContext context)
          throws Exception

Overrides:

open in class org.apache.flink.table.functions.UserDefinedFunction

Throws:

Exception

eval

public void eval(Object... values)

close

public void close()
           throws Exception

Overrides:

close in class org.apache.flink.table.functions.UserDefinedFunction

Throws:

Exception