SqlFunctionScalar (Common module of Exasol Virtual Schemas Adapters 17.1.0 API)

java.lang.Object
- com.exasol.adapter.sql.SqlNode
- - com.exasol.adapter.sql.SqlFunctionScalar

```
public class SqlFunctionScalar
extends SqlNode
```
A simple scalar function with a name and zero or more arguments.
Scalar functions that are more complex, like CASE or CAST, are defined in separate classes.

Constructor Summary

Constructors
Constructor Description

SqlFunctionScalar(ScalarFunction function, List<SqlNode> arguments)
Instantiates a new Sql function scalar.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<R> R`	`accept(SqlNodeVisitor<R> visitor)`	See `SqlNodeVisitor`
`List<SqlNode>`	`getArguments()`	Gets arguments.
`ScalarFunction`	`getFunction()`	Gets function.
`String`	`getFunctionName()`	Gets function name.
`SqlNodeType`	`getType()`	Gets type.

Methods inherited from class com.exasol.adapter.sql.SqlNode
getParent, hasParent, setParent

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SqlFunctionScalar
```
public SqlFunctionScalar(ScalarFunction function,
                         List<SqlNode> arguments)
```
    Instantiates a new Sql function scalar.
    
    Parameters:
    
    function - the function
    
    arguments - the arguments
- Method Detail
  - getArguments
```
public List<SqlNode> getArguments()
```
    Gets arguments.
    
    Returns:
    
    the arguments
  - getFunction
```
public ScalarFunction getFunction()
```
    Gets function.
    
    Returns:
    
    the function
  - getFunctionName
```
public String getFunctionName()
```
    Gets function name.
    
    Returns:
    
    the function name
  - getType
```
public SqlNodeType getType()
```
    Description copied from class: SqlNode
    
    Gets type.
    
    Specified by:
    
    getType in class SqlNode
    
    Returns:
    
    the type
  - accept
```
public <R> R accept(SqlNodeVisitor<R> visitor)
             throws AdapterException
```
    Description copied from class: SqlNode
    
    See SqlNodeVisitor
    
    Specified by:
    
    accept in class SqlNode
    
    Type Parameters:
    
    R - generic SqlNodeVisitor type
    
    Parameters:
    
    visitor - The visitor object on which the appropriate visit(sqlNode) method is called
    
    Returns:
    
    visited object
    
    Throws:
    
    AdapterException - can be thrown