Package org.hibernate.dialect

Enum GroupByConstantRenderingStrategy

java.lang.Object

java.lang.Enum<GroupByConstantRenderingStrategy>

org.hibernate.dialect.GroupByConstantRenderingStrategy

All Implemented Interfaces:

Serializable, Comparable<GroupByConstantRenderingStrategy>

public enum GroupByConstantRenderingStrategy
extends Enum<GroupByConstantRenderingStrategy>

Strategies for rendering a constant in a group by.

Enum Constant Summary

Enum Constants

Enum Constant	Description
COLUMN_REFERENCE	Renders a column reference to a dummy table e.g.
CONSTANT	Renders a constant e.g.
CONSTANT_EXPRESSION	Renders a constant expression e.g.
EMPTY_GROUPING	The strategy for ANSI SQL compliant DBs like e.g.
SUBQUERY	Renders a subquery e.g.

Method Summary

Modifier and Type	Method	Description
static GroupByConstantRenderingStrategy	valueOf(String name)	Returns the enum constant of this type with the specified name.
static GroupByConstantRenderingStrategy[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

EMPTY_GROUPING

public static final GroupByConstantRenderingStrategy EMPTY_GROUPING

The strategy for ANSI SQL compliant DBs like e.g. PostgreSQL that renders `()` i.e. the empty grouping.

CONSTANT

public static final GroupByConstantRenderingStrategy CONSTANT

Renders a constant e.g. `'0'`

CONSTANT_EXPRESSION

public static final GroupByConstantRenderingStrategy CONSTANT_EXPRESSION

Renders a constant expression e.g. `'0' || '0'`

SUBQUERY

public static final GroupByConstantRenderingStrategy SUBQUERY

Renders a subquery e.g. `(select 1)`

COLUMN_REFERENCE

public static final GroupByConstantRenderingStrategy COLUMN_REFERENCE

Renders a column reference to a dummy table e.g. `, (select 1 x) dummy` and `dummy.x`

Method Detail

values

public static GroupByConstantRenderingStrategy[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (GroupByConstantRenderingStrategy c : GroupByConstantRenderingStrategy.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static GroupByConstantRenderingStrategy valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null