Struct SqlAsyncParameterizedScalarQueryReaderExecutor<TParameter, T>

Namespace

LfrlAnvil.Sql.Statements

Assembly

LfrlAnvil.Sql.Core.dll

Represents an SqlAsyncScalarQueryReaderExecutor<T> bound to an SqlParameterBinder<TSource> instance.

public readonly record struct SqlAsyncParameterizedScalarQueryReaderExecutor<TParameter, T> : IEquatable<SqlAsyncParameterizedScalarQueryReaderExecutor<TParameter, T>> where TParameter : notnull

Type Parameters

TParameter

Parameter source type.

T

Value type.

Implements

IEquatable<SqlAsyncParameterizedScalarQueryReaderExecutor<TParameter, T>>

Inherited Members

ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Constructors

SqlAsyncParameterizedScalarQueryReaderExecutor(SqlParameterBinder<TParameter>, SqlAsyncScalarQueryReaderExecutor<T>)

Represents an SqlAsyncScalarQueryReaderExecutor<T> bound to an SqlParameterBinder<TSource> instance.

public SqlAsyncParameterizedScalarQueryReaderExecutor(SqlParameterBinder<TParameter> ParameterBinder, SqlAsyncScalarQueryReaderExecutor<T> Reader)

Parameters

ParameterBinder SqlParameterBinder<TParameter>

Underlying parameter binder.

Reader SqlAsyncScalarQueryReaderExecutor<T>

Underlying query reader.

Properties

ParameterBinder

Underlying parameter binder.

public SqlParameterBinder<TParameter> ParameterBinder { get; init; }

Property Value

SqlParameterBinder<TParameter>

Reader

Underlying query reader.

public SqlAsyncScalarQueryReaderExecutor<T> Reader { get; init; }

Property Value

SqlAsyncScalarQueryReaderExecutor<T>

Methods

ExecuteAsync(IDbCommand, TParameter?, CancellationToken)

Asynchronously creates an IDataReader instance and reads a scalar value, using the given parameters.

[Pure]
public ValueTask<SqlScalarQueryResult<T>> ExecuteAsync(IDbCommand command, TParameter? parameters, CancellationToken cancellationToken = default)

Parameters

command IDbCommand

IDbCommand to read from.

parameters TParameter

Source of parameters to bind.

cancellationToken CancellationToken

Optional CancellationToken.

Returns

ValueTask<SqlScalarQueryResult<T>>

ValueTask<TResult> that returns a read scalar value.