Struct SqlIndexBuilderColumns<T>

Namespace

LfrlAnvil.Sql.Objects.Builders

Assembly

LfrlAnvil.Sql.Core.dll

Represents a collection of indexed SQL expression builders.

public readonly struct SqlIndexBuilderColumns<T> where T : class, ISqlColumnBuilder

Type Parameters

T

SQL column builder type.

Inherited Members

ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Constructors

SqlIndexBuilderColumns(ReadOnlyArray<SqlOrderByNode>)

Creates a new SqlIndexBuilderColumns<T> instance.

public SqlIndexBuilderColumns(ReadOnlyArray<SqlOrderByNode> expressions)

Parameters

expressions ReadOnlyArray<SqlOrderByNode>

Underlying collection of expressions.

Fields

Empty

Represents an empty collection.

public static readonly SqlIndexBuilderColumns<T> Empty

Field Value

SqlIndexBuilderColumns<T>

Properties

Expressions

Underlying collection of expressions.

public ReadOnlyArray<SqlOrderByNode> Expressions { get; }

Property Value

ReadOnlyArray<SqlOrderByNode>

Methods

GetEnumerator()

Creates a new SqlIndexBuilderColumns<T>.Enumerator instance for this collection.

[Pure]
public SqlIndexBuilderColumns<T>.Enumerator GetEnumerator()

Returns

SqlIndexBuilderColumns<T>.Enumerator

New SqlIndexBuilderColumns<T>.Enumerator instance.

IsExpression(int)

Checks whether or not an expression at the specified 0-based position is not a single column.

[Pure]
public bool IsExpression(int index)

Parameters

index int

0-based position.

Returns

bool

true when expression at the specified position is not a single column, otherwise false.

Exceptions

IndexOutOfRangeException

When index is out of bounds.

TryGet(int)

Attempts to return an SQL column builder instance at the specified 0-based position.

[Pure]
public T? TryGet(int index)

Parameters

index int

0-based position.

Returns

T

SQL column builder instance or null when an expression at the specified position is not a single column.

Exceptions

IndexOutOfRangeException

When index is out of bounds.