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

Method Summary

Modifier and Type	Method and Description
<R> R	accept(SqlNodeVisitor<R> visitor) See SqlNodeVisitor
List<SqlNode>	getArguments()
AggregateFunction	getFunction()
String	getFunctionName()
SqlNodeType	getType()
boolean	hasDistinct()
String	toSimpleSql()

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)

Method Detail

getArguments

public List<SqlNode> getArguments()

getFunction

public AggregateFunction getFunction()

getFunctionName

public String getFunctionName()

hasDistinct

public boolean hasDistinct()

toSimpleSql

public String toSimpleSql()

Returns:

A SQL representation of the current graph, using EXASOL SQL syntax. It is called "SIMPLE" because it is not guaranteed to be 100 % correct SQL (e.g. might be ambiguous).

getType

public SqlNodeType getType()

Specified by:

getType in class SqlNode

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