public async ValueTask <ITimeoutsTarget.IEndpointTargetBatchMigrator> PrepareTargetEndpointBatchMigrator(string endpointName)
{
await EnsureConnectionOpen();
await EnsureMigrationTableExists();
var endpointDelayedTableName = SqlConstants.DelayedTableName(endpointName);
var actualEndpointDelayedTableName = await SqlTQueueCreator
.DoesDelayedDeliveryTableExist(connection, endpointDelayedTableName, schema, connection.Database)
.ConfigureAwait(false);
return(new SqlTEndpointTarget(logger, connection, actualEndpointDelayedTableName, schema));
}
public async ValueTask <MigrationCheckResult> AbleToMigrate(EndpointInfo endpoint)
{
var migrationCheckResult = new MigrationCheckResult();
try
{
await EnsureConnectionOpen();
}
catch (Exception e)
{
migrationCheckResult.Problems.Add($"Unable to connect to the server or database using the provided connection string. Verify the connection string. The following exception occured: {e.Message}");
return(migrationCheckResult);
}
var databaseName = connection.Database;
try
{
await SqlTQueueCreator.CreateStagingQueue(connection, SqlConstants.TimeoutMigrationStagingTable, schema, databaseName, preview : true);
}
catch (Exception e)
{
migrationCheckResult.Problems.Add($"Attempt to verify whether the timeout migration staging table '{SqlConstants.TimeoutMigrationStagingTable}' could be created during migration mode failed. The following exception occured: {e.Message}");
}
var endpointDelayedTableName = SqlConstants.DelayedTableName(endpoint.EndpointName);
if (await SqlTQueueCreator
.DoesDelayedDeliveryTableExist(connection, endpointDelayedTableName, schema, databaseName)
.ConfigureAwait(false) == null)
{
migrationCheckResult.Problems.Add($"Could not find delayed queue table with name '{endpointDelayedTableName}' for the endpoint '{endpoint.EndpointName}'");
}
return(migrationCheckResult);
}