Package com.exasol.adapter.sql

Class SqlFunctionAggregate

java.lang.Object

com.exasol.adapter.sql.SqlNode

com.exasol.adapter.sql.SqlFunctionAggregate

public class SqlFunctionAggregate
extends SqlNode

A simple aggregate function with a name and zero or more arguments. Distinct is also allowed.

Aggregate functions that are more complex, like GroupConcat, are defined in separate classes.

Constructor Summary

Constructors

Constructor	Description
SqlFunctionAggregate(AggregateFunction function, List<SqlNode> arguments, boolean distinct)	Instantiates a new Sql function aggregate.

Method Summary

Modifier and Type	Method	Description
<R> R	accept(SqlNodeVisitor<R> visitor)	See SqlNodeVisitor
List<SqlNode>	getArguments()	Gets arguments.
AggregateFunction	getFunction()	Gets function.
String	getFunctionName()	Gets function name.
SqlNodeType	getType()	Gets type.
boolean	hasDistinct()	Has distinct boolean.

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

SqlFunctionAggregate

public SqlFunctionAggregate(AggregateFunction function,
                            List<SqlNode> arguments,
                            boolean distinct)

Instantiates a new Sql function aggregate.

Parameters:

function - the function

arguments - the arguments

distinct - the distinct

Method Detail

getArguments

public List<SqlNode> getArguments()

Gets arguments.

Returns:

the arguments

getFunction

public AggregateFunction getFunction()

Gets function.

Returns:

the function

getFunctionName

public String getFunctionName()

Gets function name.

Returns:

the function name

hasDistinct

public boolean hasDistinct()

Has distinct boolean.

Returns:

the boolean

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