Package org.mybatis.dynamic.sql.select.aggregate

Class CountDistinct

java.lang.Object

org.mybatis.dynamic.sql.select.aggregate.AbstractCount

org.mybatis.dynamic.sql.select.aggregate.CountDistinct

All Implemented Interfaces:

BasicColumn, BindableColumn<Long>

public class CountDistinct
extends AbstractCount

Method Summary

Modifier and Type	Method	Description
CountDistinct	as(String alias)	Override the base method definition to make it more specific to this interface.
static CountDistinct	of(BasicColumn column)
FragmentAndParameters	render(RenderingContext renderingContext)	Returns a rendering of the column.

Methods inherited from class org.mybatis.dynamic.sql.select.aggregate.AbstractCount

alias

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.mybatis.dynamic.sql.BasicColumn

jdbcType, renderingStrategy, typeHandler

Methods inherited from interface org.mybatis.dynamic.sql.BindableColumn

convertParameterType, javaType

Method Details

render

public FragmentAndParameters render(RenderingContext renderingContext)

Description copied from interface: BasicColumn

Returns a rendering of the column. The rendered fragment should include the table alias based on the TableAliasCalculator in the RenderingContext. The fragment could contain prepared statement parameter markers and associated parameter values if desired.

Parameters:

renderingContext - the rendering context (strategy, sequence, etc.)

Returns:

a rendered SQL fragment and, optionally, parameters associated with the fragment

as

public CountDistinct as(String alias)

Description copied from interface: BindableColumn

Override the base method definition to make it more specific to this interface.

Parameters:

alias - the column alias to set

Returns:

new instance with alias set

of

public static CountDistinct of(BasicColumn column)