public void Pattern_Should_Handle_Yyymmdd_hhmm_minor_Version()
{
var parseResult = DbVersion.TryParse("20201208-1850.02", out var version);
parseResult.Should().BeTrue("it's correct version");
version.Major.Should().Be(202012081850, "version contains major version");
version.Minor.Should().Be(2, "version contains minor version");
}
public void TryParse_Numeric_Major_Version()
{
var parseResult = DbVersion.TryParse("1", out var version);
parseResult.Should().BeTrue("it's correct version");
version.Major.Should().Be(1, "version contains only major version");
version.Minor.Should().Be(0, "version contains only minor version");
}
public void Pattern_Should_Handle_Numeric_Major_Minor_2_Version()
{
var parseResult = DbVersion.TryParse("10001.020", out var version);
parseResult.Should().BeTrue("it's correct version");
version.Major.Should().Be(10001, "version contains major version");
version.Minor.Should().Be(20, "version contains minor version");
}
/// <inheritdoc />
public async Task <IReadOnlyCollection <DbVersion> > GetAppliedMigrationVersionAsync(CancellationToken token = default)
{
// actual version is made by last migration because downgrade can decrease version
var query = $"SELECT version FROM \"{_options.MigrationHistoryTableName}\"";
var command = NpgsqlConnection.CreateCommand();
command.CommandText = query;
try
{
_sqLogger?.LogInformation(query);
var appliedMigrations = new List <DbVersion>();
using (var reader = await command.ExecuteReaderAsync(token))
{
if (!reader.HasRows)
{
return(Array.Empty <DbVersion>());
}
while (await reader.ReadAsync(token))
{
var stringVersion = reader.GetString(0);
if (!DbVersion.TryParse(stringVersion, out var version))
{
throw new InvalidOperationException($"Incorrect migration version (source value = {stringVersion}).");
}
appliedMigrations.Add(version);
}
return(appliedMigrations.OrderBy(x => x).ToArray());
}
}
catch (PostgresException e)
{
// Migration table does not exist.
if (e.SqlState == "42P01")
{
return(Array.Empty <DbVersion>());
}
throw;
}
}