/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected virtual SequenceBuilder VisitSequence([NotNull] ModelBuilder modelBuilder, [NotNull] DatabaseSequence sequence)
{
Check.NotNull(modelBuilder, nameof(modelBuilder));
Check.NotNull(sequence, nameof(sequence));
if (string.IsNullOrEmpty(sequence.Name))
{
_reporter.WriteWarning(DesignStrings.SequencesRequireName);
return(null);
}
Type sequenceType = null;
if (sequence.StoreType != null)
{
sequenceType = _scaffoldingTypeMapper.FindMapping(
sequence.StoreType,
keyOrIndex: false,
rowVersion: false)
?.ClrType;
}
if (sequenceType != null &&
!Sequence.SupportedTypes.Contains(sequenceType))
{
_reporter.WriteWarning(DesignStrings.BadSequenceType(sequence.Name, sequence.StoreType));
return(null);
}
var builder = sequenceType != null
? modelBuilder.HasSequence(sequenceType, sequence.Name, sequence.Schema)
: modelBuilder.HasSequence(sequence.Name, sequence.Schema);
if (sequence.IncrementBy.HasValue)
{
builder.IncrementsBy(sequence.IncrementBy.Value);
}
if (sequence.MaxValue.HasValue)
{
builder.HasMax(sequence.MaxValue.Value);
}
if (sequence.MinValue.HasValue)
{
builder.HasMin(sequence.MinValue.Value);
}
if (sequence.StartValue.HasValue)
{
builder.StartsAt(sequence.StartValue.Value);
}
if (sequence.IsCyclic.HasValue)
{
builder.IsCyclic(sequence.IsCyclic.Value);
}
return(builder);
}
protected virtual TypeScaffoldingInfo GetTypeScaffoldingInfo([NotNull] DatabaseColumn column)
{
if (column.StoreType == null)
{
return(null);
}
var typeScaffoldingInfo = _scaffoldingTypeMapper.FindMapping(
column.GetUnderlyingStoreType() ?? column.StoreType,
column.IsKeyOrIndex(),
column.IsRowVersion());
if (column.GetUnderlyingStoreType() != null)
{
return(new TypeScaffoldingInfo(
typeScaffoldingInfo.ClrType,
inferred: false,
scaffoldUnicode: typeScaffoldingInfo.ScaffoldUnicode,
scaffoldMaxLength: typeScaffoldingInfo.ScaffoldMaxLength));
}
return(typeScaffoldingInfo);
}