public static SqlMetaData CreateSqlMetaData(string columnName, Type type, MetaDataCreationOptions metaDataCreationOptions)
{
Func <string, MetaDataCreationOptions, SqlMetaData> creator;
if (SqlMetaDataCreators.TryGetValue(type, out creator) == false)
{
throw new InvalidOperationException($"No SqlMetaData was found for {type}");
}
return(creator(columnName, metaDataCreationOptions));
}
private IMetaDataOptionsBuilder <TSource> SetMaxLength(LambdaExpression member, long maxLength)
{
if (maxLength <= 0)
{
throw new ArgumentException($"{nameof(maxLength)} must be positive");
}
PropertiesSqlMetaDataOptions[GetMemberName(member)] = new MetaDataCreationOptions {
MaxLength = maxLength
};
return(this);
}
private IMetaDataOptionsBuilder <TSource> SetAccuracy(LambdaExpression member, byte precision, byte scale)
{
if (scale > precision)
{
throw new ArgumentException($"{nameof(scale)} cannot be greater than {nameof(precision)}");
}
PropertiesSqlMetaDataOptions[GetMemberName(member)] = new MetaDataCreationOptions {
Precision = precision, Scale = scale
};
return(this);
}
static SqlTypesMapper()
{
SqlTypesMappings = new Dictionary <Type, SqlDbType>()
.AddMap <byte>(SqlDbType.TinyInt)
.AddMap <short>(SqlDbType.SmallInt)
.AddMap <char>(SqlDbType.NChar)
.AddMap <int>(SqlDbType.Int)
.AddMap <long>(SqlDbType.BigInt)
.AddMap <float>(SqlDbType.Real)
.AddMap <double>(SqlDbType.Float)
.AddMap <decimal>(SqlDbType.Decimal)
.AddMap <bool>(SqlDbType.Bit)
.AddMap <Guid>(SqlDbType.UniqueIdentifier)
.AddMap <DateTime>(SqlDbType.DateTime)
.AddMap <DateTimeOffset>(SqlDbType.DateTimeOffset)
.AddMap <TimeSpan>(SqlDbType.Time)
.AddMap <byte[]>(SqlDbType.VarBinary)
.AddMap <char[]>(SqlDbType.NVarChar)
.AddMap <string>(SqlDbType.NVarChar)
.AddMap <object>(SqlDbType.Variant);
DefaultArraysMetaDataCreationOptions = new MetaDataCreationOptions {
MaxLength = -1
};
DefaultDecimalMetaDataCreationOptions = new MetaDataCreationOptions {
Precision = 10, Scale = 2
};
SqlMetaDataCreators = new Dictionary <Type, Func <string, MetaDataCreationOptions, SqlMetaData> >()
.AddCreator <byte>(CreatorForScalarTypes)
.AddCreator <short>(CreatorForScalarTypes)
.AddCreator <char>(CreatorForChar)
.AddCreator <int>(CreatorForScalarTypes)
.AddCreator <long>(CreatorForScalarTypes)
.AddCreator <float>(CreatorForScalarTypes)
.AddCreator <double>(CreatorForScalarTypes)
.AddCreator <decimal>(CreatorForDecimal)
.AddCreator <bool>(CreatorForScalarTypes)
.AddCreator <Guid>(CreatorForScalarTypes)
.AddCreator <DateTime>(CreatorForScalarTypes)
.AddCreator <DateTimeOffset>(CreatorForScalarTypes)
.AddCreator <byte[]>(CreatorForArrays)
.AddCreator <string>(CreatorForArrays)
.AddCreator <object>(CreatorForObject);
}
private static SqlMetaData CreatorForObject(string columnName, SqlDbType sqlDbType, MetaDataCreationOptions metaDataCreationOptions)
{
return(new SqlMetaData(columnName, sqlDbType));
}
private static SqlMetaData CreatorForArrays(string columnName, SqlDbType sqlDbType, MetaDataCreationOptions metaDataCreationOptions)
{
if (metaDataCreationOptions != null && metaDataCreationOptions.MaxLength.HasValue == false)
{
throw new ArgumentNullException(nameof(metaDataCreationOptions.MaxLength));
}
return(new SqlMetaData(columnName, sqlDbType, (metaDataCreationOptions ?? DefaultArraysMetaDataCreationOptions).MaxLength.Value));
}
private static SqlMetaData CreatorForDecimal(string columnName, SqlDbType sqlDbType, MetaDataCreationOptions metaDataCreationOptions)
{
if (metaDataCreationOptions != null && metaDataCreationOptions.Precision.HasValue == false)
{
throw new ArgumentNullException(nameof(metaDataCreationOptions.Precision));
}
if (metaDataCreationOptions != null && metaDataCreationOptions.Scale.HasValue == false)
{
throw new ArgumentNullException(nameof(metaDataCreationOptions.Scale));
}
var options = metaDataCreationOptions ?? DefaultDecimalMetaDataCreationOptions;
return(new SqlMetaData(columnName, sqlDbType, options.Precision.Value, options.Scale.Value));
}
public static PrimitiveValuesList <TSource> Create <TSource>(string typeName, IEnumerable <TSource> source,
MetaDataCreationOptions metaDataCreationOptions = null)
where TSource : IComparable, IComparable <TSource>, IConvertible, IEquatable <TSource>
{
return(new PrimitiveValuesList <TSource>(typeName, source, metaDataCreationOptions));
}
