Table of Contents

Class SqlCaseExpression

Namespace
LinqToDB.Internal.SqlQuery
Assembly
linq2db.dll
public sealed class SqlCaseExpression : SqlExpressionBase, ISqlExpression, IQueryElement, IEquatable<ISqlExpression>
Inheritance
SqlCaseExpression
Implements
Inherited Members
Extension Methods

Constructors

SqlCaseExpression(DbDataType, IReadOnlyCollection<CaseItem>, ISqlExpression?)

public SqlCaseExpression(DbDataType dataType, IReadOnlyCollection<SqlCaseExpression.CaseItem> cases, ISqlExpression? elseExpression)

Parameters

dataType DbDataType
cases IReadOnlyCollection<SqlCaseExpression.CaseItem>
elseExpression ISqlExpression

Properties

Cases

public IReadOnlyList<SqlCaseExpression.CaseItem> Cases { get; }

Property Value

IReadOnlyList<SqlCaseExpression.CaseItem>

ElementType

AST node type.

public override QueryElementType ElementType { get; }

Property Value

QueryElementType

ElseExpression

public ISqlExpression? ElseExpression { get; }

Property Value

ISqlExpression

Precedence

public override int Precedence { get; }

Property Value

int

SystemType

public override Type? SystemType { get; }

Property Value

Type

Type

public DbDataType Type { get; }

Property Value

DbDataType

Methods

CanBeNullable(NullabilityContext)

public override bool CanBeNullable(NullabilityContext nullability)

Parameters

nullability NullabilityContext

Returns

bool

Equals(ISqlExpression, Func<ISqlExpression, ISqlExpression, bool>)

public override bool Equals(ISqlExpression other, Func<ISqlExpression, ISqlExpression, bool> comparer)

Parameters

other ISqlExpression
comparer Func<ISqlExpression, ISqlExpression, bool>

Returns

bool

GetElementHashCode()

public override int GetElementHashCode()

Returns

int

Modify(ISqlExpression?)

public void Modify(ISqlExpression? resultExpression)

Parameters

resultExpression ISqlExpression

Modify(List<CaseItem>, ISqlExpression?)

public void Modify(List<SqlCaseExpression.CaseItem> cases, ISqlExpression? resultExpression)

Parameters

cases List<SqlCaseExpression.CaseItem>
resultExpression ISqlExpression

ToString(QueryElementTextWriter)

Generates debug text representation of AST node.

public override QueryElementTextWriter ToString(QueryElementTextWriter writer)

Parameters

writer QueryElementTextWriter

Returns

QueryElementTextWriter