Class SqlAsyncQueryLambdaExpression<TDataReader, TRow>

Namespace

LfrlAnvil.Sql.Statements.Compilers

Assembly

LfrlAnvil.Sql.Core.dll

Represents a generic asynchronous query lambda expression.

public sealed class SqlAsyncQueryLambdaExpression<TDataReader, TRow> : ISqlAsyncQueryLambdaExpression<TRow>, ISqlAsyncQueryLambdaExpression where TDataReader : DbDataReader where TRow : notnull

Type Parameters

TDataReader

DB data reader type.

TRow

Row type.

Inheritance

object

SqlAsyncQueryLambdaExpression<TDataReader, TRow>

Implements

ISqlAsyncQueryLambdaExpression<TRow>

ISqlAsyncQueryLambdaExpression

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Properties

InitExpression

Underlying expression that creates an SqlAsyncQueryReaderInitResult instance.

public Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>> InitExpression { get; }

Property Value

Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>>

ReadRowExpression

Underlying expression that reads and returns a single row.

public LambdaExpression ReadRowExpression { get; }

Property Value

LambdaExpression

Methods

Compile()

Compiles this expression.

[Pure]
public Func<IDataReader, SqlQueryReaderOptions, CancellationToken, ValueTask<SqlQueryResult<TRow>>> Compile()

Returns

Func<IDataReader, SqlQueryReaderOptions, CancellationToken, ValueTask<SqlQueryResult<TRow>>>

Compiled Delegate.

Create(Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>>, Expression<Func<TDataReader, int[], SqlResultSetField[], TRow>>)

Creates a new SqlAsyncQueryLambdaExpression<TDataReader, TRow> instance that extracts field types.

[Pure]
public static SqlAsyncQueryLambdaExpression<TDataReader, TRow> Create(Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>> initExpression, Expression<Func<TDataReader, int[], SqlResultSetField[], TRow>> readRowExpression)

Parameters

initExpression Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>>

Underlying expression that creates an SqlAsyncQueryReaderInitResult instance.

readRowExpression Expression<Func<TDataReader, int[], SqlResultSetField[], TRow>>

Underlying expression that reads and returns a single row.

Returns

SqlAsyncQueryLambdaExpression<TDataReader, TRow>

New SqlAsyncQueryLambdaExpression<TDataReader, TRow> instance.

Create(Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>>, Expression<Func<TDataReader, int[], TRow>>)

Creates a new SqlAsyncQueryLambdaExpression<TDataReader, TRow> instance that does not extract field types.

[Pure]
public static SqlAsyncQueryLambdaExpression<TDataReader, TRow> Create(Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>> initExpression, Expression<Func<TDataReader, int[], TRow>> readRowExpression)

Parameters

initExpression Expression<Func<TDataReader, SqlAsyncQueryReaderInitResult>>

Underlying expression that creates an SqlAsyncQueryReaderInitResult instance.

readRowExpression Expression<Func<TDataReader, int[], TRow>>

Underlying expression that reads and returns a single row.

Returns

SqlAsyncQueryLambdaExpression<TDataReader, TRow>

New SqlAsyncQueryLambdaExpression<TDataReader, TRow> instance.