Package org.springframework.data.cassandra.core.query

Class Columns.FunctionCall

java.lang.Object

org.springframework.data.cassandra.core.query.Columns.FunctionCall

All Implemented Interfaces:

Columns.Selector

Enclosing class:

Columns

public static class Columns.FunctionCall
extends Object
implements Columns.Selector

Function call selector with alias support.

Function calls accept Columns.Selector, Selector or Term as parameters. Numeric values are rendered inline (such as 1 in COUNT(1)). Other parameters are represented as Terms.

Method Summary

Modifier and Type	Method	Description
Columns.FunctionCall	as(com.datastax.oss.driver.api.core.CqlIdentifier alias)	Create a Columns.FunctionCall for the current expression aliased as alias.
boolean	equals(Object o)
static Columns.FunctionCall	from(String expression, Object... params)	Create a Columns.FunctionCall given expression and params.
Optional<com.datastax.oss.driver.api.core.CqlIdentifier>	getAlias()
String	getExpression()
List<Object>	getParameters()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.springframework.data.cassandra.core.query.Columns.Selector

as

Method Details

from

public static Columns.FunctionCall from(String expression,
 Object... params)

Create a Columns.FunctionCall given expression and params.

Parameters:

expression - the CQL function name.

params - function parameters such as Columns.Selector, Selector or Term.

Returns:

the function call.

Since:

4.5.12

as

public Columns.FunctionCall as(com.datastax.oss.driver.api.core.CqlIdentifier alias)

Create a Columns.FunctionCall for the current expression aliased as alias.

Specified by:

as in interface Columns.Selector

Parameters:

alias - must not be null.

Returns:

the aliased Columns.ColumnSelector.

getExpression

public String getExpression()

Specified by:

getExpression in interface Columns.Selector

getAlias

public Optional<com.datastax.oss.driver.api.core.CqlIdentifier> getAlias()

Specified by:

getAlias in interface Columns.Selector

getParameters

public List<Object> getParameters()

equals

public boolean equals(@Nullable
 Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object