Package com.exasol.adapter.sql

Class SqlFunctionScalar

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

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