internal static bool Equal(TableFieldInfo a, UnresolvedTableFieldInfo b)
{
if (a.Name != b.Name)
{
return(false);
}
var ha = a.Handler;
if (ha.Name != b._handlerName)
{
return(false);
}
var ca = ha.Configuration;
var cb = b._configuration;
if (ca == cb)
{
return(true);
}
if (ca == null || cb == null)
{
return(false);
}
if (ca.Length != cb.Length)
{
return(false);
}
if (BitArrayManipulation.CompareByteArray(ca, ca.Length, cb, cb.Length) != 0)
{
return(false);
}
return(true);
}
public static RelationVersionInfo LoadUnresolved(AbstractBufferedReader reader, string relationName)
{
var pkCount = reader.ReadVUInt32();
var primaryKeyFields = new List <TableFieldInfo>((int)pkCount);
for (var i = 0u; i < pkCount; i++)
{
primaryKeyFields.Add(UnresolvedTableFieldInfo.Load(reader, relationName, FieldHandlerOptions.Orderable));
}
var skFieldCount = reader.ReadVUInt32();
var secondaryKeyFields = new TableFieldInfo[skFieldCount];
for (var i = 0; i < skFieldCount; i++)
{
secondaryKeyFields[i] = UnresolvedTableFieldInfo.Load(reader, relationName, FieldHandlerOptions.Orderable);
}
var skCount = reader.ReadVUInt32();
var secondaryKeys = new Dictionary <uint, SecondaryKeyInfo>((int)skCount);
var secondaryKeysNames = new Dictionary <string, uint>((int)skCount);
for (var i = 0; i < skCount; i++)
{
var skIndex = reader.ReadVUInt32();
var info = new SecondaryKeyInfo();
reader.SkipVUInt32(); //unused
info.Name = reader.ReadString() !;
var cnt = reader.ReadVUInt32();
info.Fields = new List <FieldId>((int)cnt);
for (var j = 0; j < cnt; j++)
{
var fromPrimary = reader.ReadBool();
var index = reader.ReadVUInt32();
info.Fields.Add(new FieldId(fromPrimary, index));
}
secondaryKeys.Add(skIndex, info);
secondaryKeysNames.Add(info.Name, skIndex);
}
var fieldCount = reader.ReadVUInt32();
var fieldInfos = new TableFieldInfo[fieldCount];
for (var i = 0; i < fieldCount; i++)
{
fieldInfos[i] = UnresolvedTableFieldInfo.Load(reader, relationName, FieldHandlerOptions.None);
}
return(new RelationVersionInfo(primaryKeyFields, secondaryKeys, secondaryKeysNames, secondaryKeyFields, fieldInfos));
}
bool SecondaryIndexHasSameDefinition(IReadOnlyCollection <TableFieldInfo> currFields, IReadOnlyCollection <TableFieldInfo> prevFields)
{
if (currFields.Count != prevFields.Count)
{
return(false);
}
var curr = currFields.GetEnumerator();
var prev = prevFields.GetEnumerator();
while (curr.MoveNext() && prev.MoveNext())
{
if (!UnresolvedTableFieldInfo.Equal(curr.Current, prev.Current as UnresolvedTableFieldInfo))
{
return(false);
}
}
return(true);
}
