Table of Contents

Class SqlConcatExpression

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

Constructors

SqlConcatExpression(bool, params ISqlExpression[])

public SqlConcatExpression(bool preserveNull, params ISqlExpression[] expressions)

Parameters

preserveNull bool
expressions ISqlExpression[]

Properties

ElementType

AST node type.

public override QueryElementType ElementType { get; }

Property Value

QueryElementType

Expressions

public ISqlExpression[] Expressions { get; }

Property Value

ISqlExpression[]

Precedence

public override int Precedence { get; }

Property Value

int

PreserveNull

When false, null values replaced with empty string.

public bool PreserveNull { get; }

Property Value

bool

SystemType

public override Type? SystemType { get; }

Property Value

Type

Methods

Accept(QueryElementVisitor)

Visitor support.

public override IQueryElement Accept(QueryElementVisitor visitor)

Parameters

visitor QueryElementVisitor

Returns

IQueryElement

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(params ISqlExpression[])

public void Modify(params ISqlExpression[] expressions)

Parameters

expressions ISqlExpression[]

ToString(QueryElementTextWriter)

Generates debug text representation of AST node.

public override QueryElementTextWriter ToString(QueryElementTextWriter writer)

Parameters

writer QueryElementTextWriter

Returns

QueryElementTextWriter