public static string GetTypeNameForCopy_SqlServer(this IProperty property, IRelationalTypeMapper typeMapper)
{
var typeName = property.AS400().ColumnType;
if (typeName == null)
{
var principalProperty = property.FindPrincipal();
typeName = principalProperty?.AS400().ColumnType;
if (typeName == null)
{
if (property.ClrType == typeof(string))
{
typeName = typeMapper.StringMapper?.FindMapping(
property.IsUnicode() ?? principalProperty?.IsUnicode() ?? true, false, null).StoreType;
}
else if (property.ClrType == typeof(byte[]))
{
typeName = typeMapper.ByteArrayMapper?.FindMapping(false, false, null).StoreType;
}
else
{
typeName = typeMapper.FindMapping(property.ClrType).StoreType;
}
}
}
if (property.ClrType == typeof(byte[]) &&
typeName != null &&
(typeName.Equals("rowversion", StringComparison.OrdinalIgnoreCase) ||
typeName.Equals("timestamp", StringComparison.OrdinalIgnoreCase)))
{
return(property.IsNullable ? "varbinary(8)" : "binary(8)");
}
return(typeName);
}
public virtual AS400SequenceValueGeneratorState GetOrAddSequenceState(IProperty property)
{
Check.NotNull(property, nameof(property));
var sequence = property.AS400().FindHiLoSequence();
Debug.Assert(sequence != null);
return(_sequenceGeneratorCache.GetOrAdd(
GetSequenceName(sequence),
sequenceName => new AS400SequenceValueGeneratorState(sequence)));
}
public override ValueGenerator Select(IProperty property, IEntityType entityType)
{
Check.NotNull(property, nameof(property));
Check.NotNull(entityType, nameof(entityType));
return(property.GetValueGeneratorFactory() == null &&
property.AS400().ValueGenerationStrategy == AS400ValueGenerationStrategy.SequenceHiLo
? _sequenceFactory.Create(property, Cache.GetOrAddSequenceState(property), _connection)
: base.Select(property, entityType));
}
public override ValueGenerator Create(IProperty property, IEntityType entityType)
{
Check.NotNull(property, nameof(property));
Check.NotNull(entityType, nameof(entityType));
return(property.ClrType.UnwrapNullableType() == typeof(Guid)
? property.ValueGenerated == ValueGenerated.Never ||
property.AS400().DefaultValueSql != null
? (ValueGenerator) new TemporaryGuidValueGenerator()
: new SequentialGuidValueGenerator()
: base.Create(property, entityType));
}
protected override string GetColumnType(IProperty property) => property.AS400().ColumnType;
