internal ColumnAttribute(ColumnAttribute ca)
{
MemberName = ca.MemberName;
Configuration = ca.Configuration;
Name = ca.Name;
DataType = ca.DataType;
DbType = ca.DbType;
Storage = ca.Storage;
IsDiscriminator = ca.IsDiscriminator;
PrimaryKeyOrder = ca.PrimaryKeyOrder;
IsColumn = ca.IsColumn;
if (ca.HasSkipOnInsert()) SkipOnInsert = ca.SkipOnInsert;
if (ca.HasSkipOnUpdate()) SkipOnUpdate = ca.SkipOnUpdate;
if (ca.HasCanBeNull()) CanBeNull = ca.CanBeNull;
if (ca.HasIsIdentity()) IsIdentity = ca.IsIdentity;
if (ca.HasIsPrimaryKey()) IsPrimaryKey = ca.IsPrimaryKey;
}
void SetColumn(ColumnAttribute attr)
{
if (attr.MemberName == null)
throw new LinqToDBException("The Column attribute of the '{0}' type must have MemberName.".Args(TypeAccessor.Type));
if (attr.MemberName.IndexOf('.') < 0)
{
var ex = TypeAccessor[attr.MemberName];
var cd = new ColumnDescriptor(_mappingSchema, attr, ex);
Columns.Add(cd);
_columnNames.Add(attr.MemberName, cd);
}
else
{
var cd = new ColumnDescriptor(_mappingSchema, attr, new MemberAccessor(TypeAccessor, attr.MemberName));
Columns.Add(cd);
_columnNames.Add(attr.MemberName, cd);
}
}
internal ColumnAttribute(string memberName, ColumnAttribute ca)
: this(ca)
{
MemberName = memberName + "." + ca.MemberName.TrimStart('.');
}
public ColumnDescriptor(MappingSchema mappingSchema, ColumnAttribute columnAttribute, MemberAccessor memberAccessor)
{
MappingSchema = mappingSchema;
MemberAccessor = memberAccessor;
MemberInfo = memberAccessor.MemberInfo;
if (MemberInfo.IsFieldEx())
{
var fieldInfo = (FieldInfo)MemberInfo;
MemberType = fieldInfo.FieldType;
}
else if (MemberInfo.IsPropertyEx())
{
var propertyInfo = (PropertyInfo)MemberInfo;
MemberType = propertyInfo.PropertyType;
}
MemberName = columnAttribute.MemberName ?? MemberInfo.Name;
ColumnName = columnAttribute.Name ?? MemberInfo.Name;
Storage = columnAttribute.Storage;
PrimaryKeyOrder = columnAttribute.PrimaryKeyOrder;
IsDiscriminator = columnAttribute.IsDiscriminator;
DataType = columnAttribute.DataType;
DbType = columnAttribute.DbType;
CreateFormat = columnAttribute.CreateFormat;
if (columnAttribute.HasLength ()) Length = columnAttribute.Length;
if (columnAttribute.HasPrecision()) Precision = columnAttribute.Precision;
if (columnAttribute.HasScale ()) Scale = columnAttribute.Scale;
if (Storage == null)
{
StorageType = MemberType;
StorageInfo = MemberInfo;
}
else
{
var expr = Expression.PropertyOrField(Expression.Constant(null, MemberInfo.DeclaringType), Storage);
StorageType = expr.Type;
StorageInfo = expr.Member;
}
var defaultCanBeNull = false;
if (columnAttribute.HasCanBeNull())
CanBeNull = columnAttribute.CanBeNull;
else
{
var na = mappingSchema.GetAttribute<NullableAttribute>(MemberInfo, attr => attr.Configuration);
if (na != null)
{
CanBeNull = na.CanBeNull;
}
else
{
CanBeNull = mappingSchema.GetCanBeNull(MemberType);
defaultCanBeNull = true;
}
}
if (columnAttribute.HasIsIdentity())
IsIdentity = columnAttribute.IsIdentity;
else
{
var a = mappingSchema.GetAttribute<IdentityAttribute>(MemberInfo, attr => attr.Configuration);
if (a != null)
IsIdentity = true;
}
SkipOnInsert = columnAttribute.HasSkipOnInsert() ? columnAttribute.SkipOnInsert : IsIdentity;
SkipOnUpdate = columnAttribute.HasSkipOnUpdate() ? columnAttribute.SkipOnUpdate : IsIdentity;
if (defaultCanBeNull && IsIdentity)
CanBeNull = false;
if (columnAttribute.HasIsPrimaryKey())
IsPrimaryKey = columnAttribute.IsPrimaryKey;
else
{
var a = mappingSchema.GetAttribute<PrimaryKeyAttribute>(MemberInfo, attr => attr.Configuration);
if (a != null)
{
IsPrimaryKey = true;
PrimaryKeyOrder = a.Order;
}
}
if (DbType == null || DataType == DataType.Undefined)
{
var a = mappingSchema.GetAttribute<DataTypeAttribute>(MemberInfo, attr => attr.Configuration);
if (a != null)
{
if (DbType == null)
DbType = a.DbType;
if (DataType == DataType.Undefined && a.DataType.HasValue)
DataType = a.DataType.Value;
}
}
}
public ColumnDescriptor(MappingSchema mappingSchema, ColumnAttribute columnAttribute, MemberAccessor memberAccessor)
{
MappingSchema = mappingSchema;
MemberAccessor = memberAccessor;
MemberInfo = memberAccessor.MemberInfo;
if (MemberInfo.IsFieldEx())
{
var fieldInfo = (FieldInfo)MemberInfo;
MemberType = fieldInfo.FieldType;
}
else if (MemberInfo.IsPropertyEx())
{
var propertyInfo = (PropertyInfo)MemberInfo;
MemberType = propertyInfo.PropertyType;
}
MemberName = columnAttribute.MemberName ?? MemberInfo.Name;
ColumnName = columnAttribute.Name ?? MemberInfo.Name;
Storage = columnAttribute.Storage;
PrimaryKeyOrder = columnAttribute.PrimaryKeyOrder;
IsDiscriminator = columnAttribute.IsDiscriminator;
DataType = columnAttribute.DataType;
DbType = columnAttribute.DbType;
Length = columnAttribute.Length;
Precision = columnAttribute.Precision;
Scale = columnAttribute.Scale;
var defaultCanBeNull = false;
if (columnAttribute.HasCanBeNull())
CanBeNull = columnAttribute.CanBeNull;
else
{
var na = mappingSchema.GetAttribute<NullableAttribute>(MemberInfo, attr => attr.Configuration);
if (na != null)
{
CanBeNull = na.CanBeNull;
}
else
{
CanBeNull = mappingSchema.GetCanBeNull(MemberType);
defaultCanBeNull = true;
}
}
if (columnAttribute.HasIsIdentity())
IsIdentity = columnAttribute.IsIdentity;
else
{
var a = mappingSchema.GetAttribute<IdentityAttribute>(MemberInfo, attr => attr.Configuration);
if (a != null)
IsIdentity = true;
}
SkipOnInsert = columnAttribute.HasSkipOnInsert() ? columnAttribute.SkipOnInsert : IsIdentity;
SkipOnUpdate = columnAttribute.HasSkipOnUpdate() ? columnAttribute.SkipOnUpdate : IsIdentity;
if (defaultCanBeNull && IsIdentity)
CanBeNull = false;
if (columnAttribute.HasIsPrimaryKey())
IsPrimaryKey = columnAttribute.IsPrimaryKey;
else
{
var a = mappingSchema.GetAttribute<PrimaryKeyAttribute>(MemberInfo, attr => attr.Configuration);
if (a != null)
{
IsPrimaryKey = true;
PrimaryKeyOrder = a.Order;
}
}
}
