Package org.springframework.data.relational.core.sql

Class Functions

java.lang.Object

org.springframework.data.relational.core.sql.Functions

public class Functions
extends Object

Factory for common function expressions.

Since:

1.1

Author:

Mark Paluch, Jens Schauder

See Also:

• SQL
• Expressions
• Functions

Method Summary

Modifier and Type	Method	Description
static SimpleFunction	count(Collection<? extends Expression> columns)	Creates a new COUNT function.
static SimpleFunction	count(Expression... columns)	Creates a new COUNT function.
static SimpleFunction	least(Expression... expressions)
static SimpleFunction	lower(Expression expression)	Creates a new LOWER function.
static SimpleFunction	upper(Expression expression)	Creates a new UPPER function.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

count

public static SimpleFunction count(Expression... columns)

Creates a new COUNT function.

Parameters:

columns - columns to apply count, must not be null.

Returns:

the new count function for columns.

least

public static SimpleFunction least(Expression... expressions)

count

public static SimpleFunction count(Collection<? extends Expression> columns)

Creates a new COUNT function.

Parameters:

columns - columns to apply count, must not be null.

Returns:

the new count function for columns.

upper

public static SimpleFunction upper(Expression expression)

Creates a new UPPER function.

Parameters:

expression - expression to apply count, must not be null.

Returns:

the new upper function for expression.

Since:

2.0

lower

public static SimpleFunction lower(Expression expression)

Creates a new LOWER function.

Parameters:

expression - expression to apply lower, must not be null.

Returns:

the new lower function for expression.

Since:

2.0