private async Task ExportInsertionOrderAsync(bool hasCycles, CancellationToken cancellationToken)
{
var orderer = new TableRelationshipOrderer();
var insertionOrder = orderer.GetInsertionOrder(Tables);
var insertionOutputPath = Path.Combine(ExportDirectory.FullName, "insertion-order.sql");
var insertionOrderDoc = BuildOrderDocument(insertionOrder);
using var writer = File.CreateText(insertionOutputPath);
await writer.WriteLineAsync("-- This is the insertion order for the database.".AsMemory(), cancellationToken).ConfigureAwait(false);
await writer.WriteLineAsync("-- This may not be correct for your database or data relationships.".AsMemory(), cancellationToken).ConfigureAwait(false);
await writer.WriteLineAsync("-- Please check before relying upon this information.".AsMemory(), cancellationToken).ConfigureAwait(false);
await writer.WriteLineAsync().ConfigureAwait(false);
if (hasCycles)
{
await writer.WriteLineAsync("-- NOTE: There are relationship cycles present in the database. This ordering is not guaranteed.".AsMemory(), cancellationToken).ConfigureAwait(false);
await writer.WriteLineAsync().ConfigureAwait(false);
}
await writer.WriteAsync(insertionOrderDoc.AsMemory(), cancellationToken).ConfigureAwait(false);
await writer.FlushAsync().ConfigureAwait(false);
}
public static void GetInsertionOrder_GivenNullTables_ThrowsArgumentNullException()
{
var tableOrder = new TableRelationshipOrderer();
Assert.That(() => tableOrder.GetInsertionOrder(null), Throws.ArgumentNullException);
}