Class CountColumn

Namespace

CMS.DataEngine

Assembly

CMS.DataEngine.dll

Count column

public class CountColumn : AggregatedColumn, IQueryParameters<AggregatedColumn>, IQueryColumn, IQueryExpression, IQueryParameters, IQueryObjectWithValue, IQueryObject

Inheritance

object

AbstractQueryObject

QueryParametersBase<AggregatedColumn>

QueryColumnBase<AggregatedColumn>

SelectQueryColumnBase<AggregatedColumn>

AggregatedColumn

CountColumn

Implements

IQueryParameters<AggregatedColumn>

IQueryColumn

IQueryExpression

IQueryParameters

IQueryObjectWithValue

IQueryObject

Inherited Members

AggregatedColumn.AggregationType

AggregatedColumn.Over

AggregatedColumn.IsSingleColumn

AggregatedColumn.GetValueExpression()

AggregatedColumn.ApplyOver(string)

AggregatedColumn.ApplyAggregation(string)

SelectQueryColumnBase<AggregatedColumn>.Name

SelectQueryColumnBase<AggregatedColumn>.ColumnAlias

SelectQueryColumnBase<AggregatedColumn>.EnsureBracketsForAlias

SelectQueryColumnBase<AggregatedColumn>.As(string)

SelectQueryColumnBase<AggregatedColumn>.GetExpression()

QueryColumnBase<AggregatedColumn>.Expression

QueryColumnBase<AggregatedColumn>.TypedThis

QueryColumnBase<AggregatedColumn>.AsAlias()

QueryColumnBase<AggregatedColumn>.WithExpression(string)

QueryColumnBase<AggregatedColumn>.ToString(bool)

QueryColumnBase<AggregatedColumn>.AsValue()

QueryParametersBase<AggregatedColumn>.mParameters

QueryParametersBase<AggregatedColumn>.IsImmutable

QueryParametersBase<AggregatedColumn>.Parameters

QueryParametersBase<AggregatedColumn>.ApplyParametersTo(IQueryObject)

QueryParametersBase<AggregatedColumn>.CopyPropertiesTo(IQueryObject)

QueryParametersBase<AggregatedColumn>.CloneObject()

QueryParametersBase<AggregatedColumn>.Clone()

QueryParametersBase<AggregatedColumn>.EnsureParameters()

QueryParametersBase<AggregatedColumn>.IncludeDataParameters(QueryDataParameters, string)

QueryParametersBase<AggregatedColumn>.Immutable()

QueryParametersBase<AggregatedColumn>.GetTypedQuery()

QueryParametersBase<AggregatedColumn>.Expand(string)

QueryParametersBase<AggregatedColumn>.ToString()

AbstractQueryObject.Changed()

AbstractQueryObject.Reset()

Extension Methods

DataExtensions.With<T>(T, Action<T>)

QueryExtensions.AsLiteral<T>(T)

QueryExtensions.AsValue<T>(T, bool)

Constructors

CountColumn(string)

Constructor

public CountColumn(string expression = null)

Parameters

expression string

Expression to count. Leave empty for COUNT(*)