/// <summary>
/// Asynchronously creates a <see cref="RecordSetReader"/> instance capable to read <paramref name="provider"/>
/// execution results and bound to the specified <paramref name="context"/>.
/// </summary>
/// <param name="context">The <see cref="EnumerationContext"/> instance associated with the query execution.</param>
/// <param name="provider">The <see cref="ExecutableProvider"/> to be processed.</param>
/// <param name="token">The <see cref="CancellationToken"/> allowing to cancel query execution if necessary.</param>
/// <returns><see cref="RecordSetReader"/> instance ready for enumeration.
/// This means query is already executed but no records have been read yet.</returns>
public static async ValueTask <RecordSetReader> CreateAsync(
EnumerationContext context, ExecutableProvider provider, CancellationToken token)
{
var recordSet = new RecordSetReader(context, provider, token);
await recordSet.Prepare(true).ConfigureAwait(false);
return(recordSet);
}
/// <summary>
/// Creates a <see cref="RecordSetReader"/> instance capable to read <paramref name="provider"/>
/// execution results and bound to the specified <paramref name="context"/>.
/// </summary>
/// <param name="context">The <see cref="EnumerationContext"/> instance associated with the query execution.</param>
/// <param name="provider">The <see cref="ExecutableProvider"/> to be processed.</param>
/// <returns><see cref="RecordSetReader"/> instance ready for enumeration.
/// This means query is already executed but no records have been read yet.</returns>
public static RecordSetReader Create(EnumerationContext context, ExecutableProvider provider)
{
var recordSet = new RecordSetReader(context, provider);
var task = recordSet.Prepare(false);
task.GetAwaiter().GetResult(); // Ensure exception, if any, is being thrown
return(recordSet);
}