Table of Contents

Class QueryExpressionBase<TExpression>

Namespace
CMS.DataEngine
Assembly
CMS.DataEngine.dll

Query expression base class

public class QueryExpressionBase<TExpression> : QueryParametersBase<TExpression>, IQueryParameters<TExpression>, IQueryExpression, IQueryParameters, IQueryObjectWithValue, IQueryObject where TExpression : QueryExpressionBase<TExpression>, new()

Type Parameters

TExpression
Inheritance
object
QueryParametersBase<TExpression>
QueryExpressionBase<TExpression>
Implements
IQueryParameters<TExpression>
Derived
Inherited Members
Extension Methods

Properties

Expression

Expression

public string Expression { get; set; }

Property Value

string

Methods

AsColumn(string)

Creates a column from the given expression

[Obsolete("Method was not intended for public use and will be removed in the next version.")]
[ObsoleteSince(27, 0)]
public QueryColumn AsColumn(string alias)

Parameters

alias string

Column alias

Returns

QueryColumn

AsValue()

Gets a query expression representing this object as a value

public virtual IQueryExpression AsValue()

Returns

IQueryExpression

CopyPropertiesTo(IQueryObject)

Copies all the object properties to the given target class

public override void CopyPropertiesTo(IQueryObject target)

Parameters

target IQueryObject

Target class

GetExpression()

Gets a query expression representing this object as a value

public virtual string GetExpression()

Returns

string

ToString(bool)

Returns the string representation of the expression, with possibility of expanding parameters

public override string ToString(bool expand)

Parameters

expand bool

If true, the result is expanded with parameters so it can act as standalone value.

Returns

string