CsvTableSource.CsvLookupFunction (Flink : Table : API Java bridge 2.0.0 API)

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
```
@Internal
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

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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, finish, 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, supportsConstantFolding

- 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