/// <summary>
/// Clones the type mapping to update the name with size, precision,
/// and scale updated in the type name, as is common for some database
/// providers.
/// </summary>
/// <param name="mapping"> The mapping. </param>
/// <param name="mappingInfo"> The mapping info containing the facets to use. </param>
/// <returns> The cloned mapping, or the original mapping if no clone was needed. </returns>
public static RelationalTypeMapping CloneWithFacetedName(
[NotNull] this RelationalTypeMapping mapping,
[NotNull] RelationalTypeMappingInfo mappingInfo)
{
Check.NotNull(mapping, nameof(mapping));
Check.NotNull(mappingInfo, nameof(mappingInfo));
var clone = false;
var storeTypeName = mappingInfo.StoreTypeName;
if (storeTypeName != null &&
!storeTypeName.Equals(mapping.StoreType, StringComparison.Ordinal))
{
clone = true;
}
else
{
storeTypeName = mapping.StoreType;
}
var hints = mappingInfo.ValueConverterInfo?.MappingHints;
var size = mapping.Size == -1 ? -1 : (int?)null;
if (size != -1)
{
size = mappingInfo.Size
?? mapping.Size
?? hints?.Size;
if (size != mapping.Size)
{
var typeNameBase = GetTypeNameBase(mappingInfo, storeTypeName, out var isMax);
if (!mappingInfo.StoreTypeNameSizeIsMax &&
!isMax)
{
storeTypeName = typeNameBase + "(" + size + ")";
}
clone = true;
}
}
if (mappingInfo.Precision != null &&
mappingInfo.Scale != null)
{
storeTypeName = GetTypeNameBase(mappingInfo, storeTypeName, out var _)
+ "(" + mappingInfo.Precision + "," + mappingInfo.Scale + ")";
clone = true;
}
if (clone)
{
mapping = mapping.Clone(storeTypeName, size);
}
return(mapping);
}
/// <summary>
/// Clones the type mapping to update the name and size from the
/// mapping info, if needed.
/// </summary>
/// <param name="mapping"> The mapping. </param>
/// <param name="mappingInfo"> The mapping info containing the facets to use. </param>
/// <returns> The cloned mapping, or the original mapping if no clone was needed. </returns>
public static RelationalTypeMapping Clone(
[NotNull] this RelationalTypeMapping mapping,
[NotNull] RelationalTypeMappingInfo mappingInfo)
{
Check.NotNull(mapping, nameof(mapping));
Check.NotNull(mappingInfo, nameof(mappingInfo));
return((mappingInfo.Size != null &&
mappingInfo.Size != mapping.Size) ||
(mappingInfo.StoreTypeName != null &&
!string.Equals(mappingInfo.StoreTypeName, mapping.StoreType, StringComparison.Ordinal))
? mapping.Clone(
mappingInfo.StoreTypeName ?? mapping.StoreType,
mappingInfo.Size ?? mapping.Size)
: mapping);
}