public static Task BulkInsertAsync <T>([NotNull] this DbContext ctx,
[NotNull] IEnumerable <T> entities,
[NotNull] Expression <Func <T, object> > propertiesToInsert,
CancellationToken cancellationToken = default)
where T : class
{
var options = new SqlBulkInsertOptions {
EntityMembersProvider = EntityMembersProvider.From(propertiesToInsert)
};
return(BulkInsertAsync(ctx, entities, options, cancellationToken));
}
public static async Task BulkInsertAsync <T>([NotNull] this DbContext ctx,
[NotNull] IEnumerable <T> entities,
[CanBeNull] SqlBulkInsertOptions options = null,
CancellationToken cancellationToken = default)
where T : class
{
if (ctx == null)
{
throw new ArgumentNullException(nameof(ctx));
}
if (entities == null)
{
throw new ArgumentNullException(nameof(entities));
}
options = options ?? new SqlBulkInsertOptions();
var entityType = ctx.Model.GetEntityType(typeof(T));
await ctx.GetService <ISqlServerBulkOperationExecutor>().BulkInsertAsync(ctx, entityType, entities, options, cancellationToken).ConfigureAwait(false);
}
