protected virtual IRelationalValueBufferFactory CreateValueBufferFactory([NotNull] IReadOnlyList <ColumnModification> columnModifications)
=> _valueBufferFactoryFactory
.Create(
Check.NotNull(columnModifications, nameof(columnModifications))
.Where(c => c.IsRead)
.Select(c => c.Property.ClrType)
.ToArray(),
indexMap: null);
/// <summary>
/// Uses the return types (from the read only expression) to
/// create a value buffer factory (either typed or untyped)
/// </summary>
/// <param name="relationalValueBufferFactoryFactory"></param>
/// <param name="dataReader"></param>
/// <returns></returns>
public virtual IRelationalValueBufferFactory CreateValueBufferFactory(
IRelationalValueBufferFactoryFactory relationalValueBufferFactoryFactory,
DbDataReader dataReader
)
{
Check.NotNull(relationalValueBufferFactoryFactory, nameof(relationalValueBufferFactoryFactory));
return(relationalValueBufferFactoryFactory
.Create(
ReadOnlyExpression.GetReturnTypes().ToArray(),
indexMap: null
));
}
/// <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>
public override IRelationalValueBufferFactory CreateValueBufferFactory(
IRelationalValueBufferFactoryFactory relationalValueBufferFactoryFactory, DbDataReader dataReader)
{
Check.NotNull(relationalValueBufferFactoryFactory, nameof(relationalValueBufferFactoryFactory));
Check.NotNull(dataReader, nameof(dataReader));
var readerColumns
= Enumerable
.Range(0, dataReader.FieldCount)
.Select(
i => new
{
Name = dataReader.GetName(i),
Ordinal = i
})
.ToList();
var types = new TypeMaterializationInfo[SelectExpression.Projection.Count];
for (var i = 0; i < SelectExpression.Projection.Count; i++)
{
if (SelectExpression.Projection[i] is ColumnExpression columnExpression)
{
var columnName = columnExpression.Name;
if (columnName != null)
{
var readerColumn
= readerColumns.SingleOrDefault(
c =>
string.Equals(columnName, c.Name, StringComparison.OrdinalIgnoreCase));
if (readerColumn == null)
{
throw new InvalidOperationException(RelationalStrings.FromSqlMissingColumn(columnName));
}
types[i] = new TypeMaterializationInfo(
columnExpression.Type,
columnExpression.Property,
Dependencies.TypeMappingSource,
fromLeftOuterJoin: false,
readerColumn.Ordinal);
}
}
}
return(relationalValueBufferFactoryFactory.Create(types));
}
public virtual IRelationalValueBufferFactory CreateValueBufferFactory(
IRelationalValueBufferFactoryFactory relationalValueBufferFactoryFactory, DbDataReader dataReader)
{
Check.NotNull(relationalValueBufferFactoryFactory, nameof(relationalValueBufferFactoryFactory));
Check.NotNull(dataReader, nameof(dataReader));
var readerColumns
= Enumerable
.Range(0, dataReader.FieldCount)
.Select(i => new
{
Name = dataReader.GetName(i),
Ordinal = i
})
.ToList();
var types = new Type[_selectExpression.Projection.Count];
var indexMap = new int[_selectExpression.Projection.Count];
for (var i = 0; i < _selectExpression.Projection.Count; i++)
{
var aliasExpression = _selectExpression.Projection[i] as AliasExpression;
if (aliasExpression != null)
{
var columnName
= aliasExpression.Alias
?? aliasExpression.TryGetColumnExpression()?.Name;
if (columnName != null)
{
var readerColumn
= readerColumns.SingleOrDefault(c =>
string.Equals(columnName, c.Name, StringComparison.OrdinalIgnoreCase));
if (readerColumn == null)
{
throw new InvalidOperationException(RelationalStrings.FromSqlMissingColumn(columnName));
}
types[i] = _selectExpression.Projection[i].Type;
indexMap[i] = readerColumn.Ordinal;
}
}
}
return(relationalValueBufferFactoryFactory.Create(types, indexMap));
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public override IRelationalValueBufferFactory CreateValueBufferFactory(
IRelationalValueBufferFactoryFactory relationalValueBufferFactoryFactory, DbDataReader dataReader)
{
Check.NotNull(relationalValueBufferFactoryFactory, nameof(relationalValueBufferFactoryFactory));
Check.NotNull(dataReader, nameof(dataReader));
var readerColumns
= Enumerable
.Range(0, dataReader.FieldCount)
.Select(
i => new
{
Name = dataReader.GetName(i),
Ordinal = i
})
.ToList();
var types = new Type[SelectExpression.Projection.Count];
var indexMap = new int[SelectExpression.Projection.Count];
for (var i = 0; i < SelectExpression.Projection.Count; i++)
{
if (SelectExpression.Projection[i] is ColumnExpression columnExpression)
{
var columnName = columnExpression.Name;
if (columnName != null)
{
var readerColumn
= readerColumns.SingleOrDefault(
c =>
string.Equals(columnName, c.Name, StringComparison.OrdinalIgnoreCase));
if (readerColumn == null)
{
throw new InvalidOperationException(RelationalStrings.FromSqlMissingColumn(columnName));
}
types[i] = columnExpression.Property?.FindRelationalMapping()?.Converter?.StoreType
?? columnExpression.Type;
indexMap[i] = readerColumn.Ordinal;
}
}
}
return(relationalValueBufferFactoryFactory.Create(types, indexMap));
}
public override IRelationalValueBufferFactory CreateValueBufferFactory(IRelationalValueBufferFactoryFactory relationalValueBufferFactoryFactory, DbDataReader dataReader)
{
Check.NotNull(relationalValueBufferFactoryFactory, "relationalValueBufferFactoryFactory");
Type[] array = SelectExpression.GetProjectionTypes().ToArray();
if (array.Contains(Type.GetType("System.Boolean")) || array.Contains(Type.GetType("System.Nullable`1[System.Boolean]")))
{
int num = 0;
Type[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
if (array2[i].FullName.Contains("System.Boolean"))
{
if (_overrideColumnReturnTypes == null)
{
_overrideColumnReturnTypes = new Dictionary <int, TypeCode>();
}
_overrideColumnReturnTypes.Add(num, TypeCode.Boolean);
}
num++;
}
//TODO:IsPrivate ((DB2DataReader)dataReader).m_overrideColumnReturnTypes = _overrideColumnReturnTypes;
}
return(relationalValueBufferFactoryFactory.Create(array, null));
}
public virtual IRelationalValueBufferFactory CreateValueBufferFactory(
IRelationalValueBufferFactoryFactory relationalValueBufferFactoryFactory, DbDataReader dataReader)
{
Check.NotNull(relationalValueBufferFactoryFactory, nameof(relationalValueBufferFactoryFactory));
Check.NotNull(dataReader, nameof(dataReader));
var readerColumns
= Enumerable
.Range(0, dataReader.FieldCount)
.Select(i => new
{
Name = dataReader.GetName(i),
Ordinal = i
})
.ToList();
var types = new Type[_selectExpression.Projection.Count];
var indexMap = new int[_selectExpression.Projection.Count];
for (var i = 0; i < _selectExpression.Projection.Count; i++)
{
var aliasExpression = _selectExpression.Projection[i] as AliasExpression;
if (aliasExpression != null)
{
var columnName
= aliasExpression.Alias
?? aliasExpression.TryGetColumnExpression()?.Name;
if (columnName != null)
{
var readerColumn
= readerColumns.SingleOrDefault(c =>
string.Equals(columnName, c.Name, StringComparison.OrdinalIgnoreCase));
if (readerColumn == null)
{
throw new InvalidOperationException(Strings.FromSqlMissingColumn(columnName));
}
types[i] = _selectExpression.Projection[i].Type;
indexMap[i] = readerColumn.Ordinal;
}
}
}
return relationalValueBufferFactoryFactory.Create(types, indexMap);
}
