public void CreateGroupByIndexString(string table_name, string group_name, string value_name)
{
var _write_lock = GetTableWriteLock(table_name);
lock (_write_lock)
{
using (var snapshot = leveld_db.CreateSnapshot())
{
var table_info = GetTableInfo(table_name);
if (table_info.Columns[value_name] == LinqDbTypes.binary_ || table_info.Columns[value_name] == LinqDbTypes.string_)
{
throw new LinqDbException("Linqdb: Property type is not supported as memory index: " + value_name);
}
if (table_info.Columns[group_name] != LinqDbTypes.int_)
{
throw new LinqDbException("Linqdb: Property type is not supported as group by column: " + group_name);
}
string snapshot_id = Ldb.GetNewSpnapshotId();
var ro = new ReadOptions().SetSnapshot(snapshot);
int total = GetTableRowCount(table_info, ro);
List <int> ids = null;
if (!existing_indexes.ContainsKey(table_name) || !existing_indexes[table_name].Contains("Id"))
{
IndexGeneric index = new IndexGeneric()
{
ColumnName = "Id",
ColumnType = LinqDbTypes.int_,
TypeName = table_name,
Parts = new List <IndexPart>(),
IndexType = IndexType.PropertyOnly
};
ids = ReadAllIds(table_info, ro, total);
int counter = 0;
IndexPart cpart = null;
foreach (var id in ids)
{
if (counter % 1000 == 0)
{
cpart = new IndexPart()
{
IntValues = new List <int>(1000)
};
index.Parts.Add(cpart);
}
cpart.IntValues.Add(id);
counter++;
}
if (!existing_indexes.ContainsKey(table_name))
{
existing_indexes[table_name] = new HashSet <string>()
{
"Id"
};
}
else
{
existing_indexes[table_name].Add("Id");
}
indexes[table_name + "|Id|" + snapshot_id] = index;
latest_snapshots[table_name + "|Id"] = snapshot_id;
snapshots_alive.TryAdd(table_name + "|Id", new List <Tuple <bool, string> >()
{
new Tuple <bool, string>(false, table_name + "|Id|" + snapshot_id)
});
last_cleanup.TryAdd(table_name + "|Id", DateTime.Now);
//
var skey = MakeSnapshotKey(table_info.TableNumber, table_info.ColumnNumbers["Id"]);
leveld_db.Put(skey, Encoding.UTF8.GetBytes(snapshot_id));
}
else
{
ids = new List <int>(total);
var skey = MakeSnapshotKey(table_info.TableNumber, table_info.ColumnNumbers["Id"]);
var snapid = leveld_db.Get(skey, null, ro);
var id_snapshot_id = Encoding.UTF8.GetString(snapid);
var index = indexes[table_name + "|Id|" + id_snapshot_id];
for (int i = 0; i < index.Parts.Count(); i++)
{
ids.AddRange(index.Parts[i].IntValues);
}
}
if (!existing_indexes[table_name].Contains(group_name))
{
IndexGeneric index = new IndexGeneric()
{
ColumnName = group_name,
ColumnType = LinqDbTypes.int_,
TypeName = table_name,
GroupListMapping = new ConcurrentDictionary <int, int>(),
Parts = new List <IndexPart>(),
IndexType = IndexType.GroupOnly
};
int totalex = 0;
if ((ids.Any() ? ids.Max() : 0) < 250000000)
{
var ivalues = ReadAllIntValuesList(index.ColumnName, table_info, ro, ids.Any() ? ids.Max() : 0, out totalex);
if (totalex != ids.Count())
{
throw new LinqDbException("Linqdb: column " + index.ColumnName + " has gaps in data. Prior to building an index gaps must be updated with values. (" + totalex + " != " + ids.Count() + ")");
}
int map = 0;
foreach (var id in ids)
{
if (!index.GroupListMapping.ContainsKey(ivalues[id]))
{
index.GroupListMapping[ivalues[id]] = map;
map++;
}
}
var latest_snapshot_id = latest_snapshots[table_name + "|Id"];
var id_index = indexes[table_name + "|Id|" + latest_snapshot_id];
for (int j = 0; j < id_index.Parts.Count(); j++)
{
var part = id_index.Parts[j];
var new_part = new IndexPart()
{
GroupValues = new List <int>(part.IntValues.Count())
};
index.Parts.Add(new_part);
for (int k = 0; k < part.IntValues.Count(); k++)
{
var ival = ivalues[part.IntValues[k]];
var val = index.GroupListMapping[ival];
new_part.GroupValues.Add(val);
}
}
}
else
{
var ivalues = ReadAllIntValuesDic(index.ColumnName, table_info, ro, ids.Any() ? ids.Max() : 0, total, out totalex);
if (totalex != ids.Count())
{
throw new LinqDbException("Linqdb: column " + index.ColumnName + " has gaps in data. Prior to building an index gaps must be updated with values. (" + totalex + " != " + ids.Count() + ")");
}
int map = 0;
foreach (var id in ids)
{
if (!index.GroupListMapping.ContainsKey(ivalues[id]))
{
index.GroupListMapping[ivalues[id]] = map;
map++;
}
}
var latest_snapshot_id = latest_snapshots[table_name + "|Id"];
var id_index = indexes[table_name + "|Id|" + latest_snapshot_id];
for (int j = 0; j < id_index.Parts.Count(); j++)
{
var part = id_index.Parts[j];
var new_part = new IndexPart()
{
GroupValues = new List <int>(part.IntValues.Count())
};
index.Parts.Add(new_part);
for (int k = 0; k < part.IntValues.Count(); k++)
{
var ival = ivalues[part.IntValues[k]];
var val = index.GroupListMapping[ival];
new_part.GroupValues.Add(val);
}
}
}
existing_indexes[table_name].Add(group_name);
indexes[table_name + "|" + group_name + "|" + snapshot_id] = index;
latest_snapshots[table_name + "|" + group_name] = snapshot_id;
snapshots_alive.TryAdd(table_name + "|" + group_name, new List <Tuple <bool, string> >()
{
new Tuple <bool, string>(false, table_name + "|" + group_name + "|" + snapshot_id)
});
last_cleanup.TryAdd(table_name + "|" + group_name, DateTime.Now);
//
var skey = MakeSnapshotKey(table_info.TableNumber, table_info.ColumnNumbers[group_name]);
leveld_db.Put(skey, Encoding.UTF8.GetBytes(snapshot_id));
}
else //could be property index, we need a group one
{
var latest_snapshot_id = latest_snapshots[table_name + "|" + group_name];
var index = indexes[table_name + "|" + group_name + "|" + latest_snapshot_id];
if (index.IndexType == IndexType.PropertyOnly)
{
index.GroupListMapping = new ConcurrentDictionary <int, int>();
int map = 0;
for (int i = 0; i < index.Parts.Count(); i++)
{
int icount = index.Parts[i].IntValues.Count();
index.Parts[i].GroupValues = new List <int>(icount);
var gv = index.Parts[i].GroupValues;
for (int j = 0; j < icount; j++)
{
var val = index.Parts[i].IntValues[j];
var ival = (int)val;
if (!index.GroupListMapping.ContainsKey(ival))
{
index.GroupListMapping[ival] = map;
map++;
}
gv.Add(index.GroupListMapping[ival]);
}
}
index.IndexType = IndexType.Both;
}
}
if (!existing_indexes[table_name].Contains(value_name))
{
IndexGeneric index = new IndexGeneric()
{
ColumnName = value_name,
TypeName = table_name,
Parts = new List <IndexPart>(),
IndexType = IndexType.PropertyOnly
};
if (ids == null)
{
ids = ReadAllValues("Id", table_info, new OperResult()
{
All = true
}, ro, new ReadByteCount()
{
read_size_bytes = -Int32.MaxValue
}, total).Item1;
}
var latest_snapshot_id = latest_snapshots[table_name + "|Id"];
switch (table_info.Columns[value_name])
{
case LinqDbTypes.int_:
index.ColumnType = LinqDbTypes.int_;
int totalex = 0;
if ((ids.Any() ? ids.Max() : 0) < 250000000)
{
var ivalues = ReadAllIntValuesList(index.ColumnName, table_info, ro, ids.Any() ? ids.Max() : 0, out totalex);
if (totalex != ids.Count())
{
throw new LinqDbException("Linqdb: column " + index.ColumnName + " has gaps in data. Prior to building an index gaps must be updated with values. (" + totalex + " != " + ids.Count() + ")");
}
var id_index = indexes[table_name + "|Id|" + latest_snapshot_id];
for (int j = 0; j < id_index.Parts.Count(); j++)
{
var part = id_index.Parts[j];
var new_part = new IndexPart()
{
IntValues = new List <int>(part.IntValues.Count())
};
index.Parts.Add(new_part);
for (int k = 0; k < part.IntValues.Count(); k++)
{
var val = ivalues[(int)part.IntValues[k]];
new_part.IntValues.Add(val);
}
}
}
else
{
var ivalues = ReadAllIntValuesDic(index.ColumnName, table_info, ro, ids.Any() ? ids.Max() : 0, ids.Count(), out totalex);
if (totalex != ids.Count())
{
throw new LinqDbException("Linqdb: column " + index.ColumnName + " has gaps in data. Prior to building an index gaps must be updated with values. (" + totalex + " != " + ids.Count() + ")");
}
var id_index = indexes[table_name + "|Id|" + latest_snapshot_id];
for (int j = 0; j < id_index.Parts.Count(); j++)
{
var part = id_index.Parts[j];
var new_part = new IndexPart()
{
IntValues = new List <int>(part.IntValues.Count())
};
index.Parts.Add(new_part);
for (int k = 0; k < part.IntValues.Count(); k++)
{
var val = ivalues[(int)part.IntValues[k]];
new_part.IntValues.Add(val);
}
}
}
break;
case LinqDbTypes.double_:
case LinqDbTypes.DateTime_:
index.ColumnType = LinqDbTypes.double_;
int totalexd = 0;
if ((ids.Any() ? ids.Max() : 0) < 250000000)
{
var dvalues = ReadAllDoubleValuesList(index.ColumnName, table_info, ro, ids.Any() ? ids.Max() : 0, out totalexd);
if (totalexd != ids.Count())
{
throw new LinqDbException("Linqdb: column " + index.ColumnName + " has gaps in data. Prior to building an index gaps must be updated with values. (" + totalexd + " != " + ids.Count() + ")");
}
var id_index = indexes[table_name + "|Id|" + latest_snapshot_id];
for (int j = 0; j < id_index.Parts.Count(); j++)
{
var part = id_index.Parts[j];
var new_part = new IndexPart()
{
DoubleValues = new List <double>(part.IntValues.Count())
};
index.Parts.Add(new_part);
for (int k = 0; k < part.IntValues.Count(); k++)
{
var val = dvalues[(int)part.IntValues[k]];
new_part.DoubleValues.Add(val);
}
}
}
else
{
var dvalues = ReadAllDoubleValuesDic(index.ColumnName, table_info, ro, ids.Any() ? ids.Max() : 0, ids.Count(), out totalexd);
if (totalexd != ids.Count())
{
throw new LinqDbException("Linqdb: column " + index.ColumnName + " has gaps in data. Prior to building an index gaps must be updated with values. (" + totalexd + " != " + ids.Count() + ")");
}
var id_index = indexes[table_name + "|Id|" + latest_snapshot_id];
for (int j = 0; j < id_index.Parts.Count(); j++)
{
var part = id_index.Parts[j];
var new_part = new IndexPart()
{
DoubleValues = new List <double>(part.IntValues.Count())
};
index.Parts.Add(new_part);
for (int k = 0; k < part.IntValues.Count(); k++)
{
var val = dvalues[(int)part.IntValues[k]];
new_part.DoubleValues.Add(val);
}
}
}
break;
}
existing_indexes[table_name].Add(value_name);
indexes[table_name + "|" + value_name + "|" + snapshot_id] = index;
latest_snapshots[table_name + "|" + value_name] = snapshot_id;
snapshots_alive.TryAdd(table_name + "|" + value_name, new List <Tuple <bool, string> >()
{
new Tuple <bool, string>(false, table_name + "|" + value_name + "|" + snapshot_id)
});
last_cleanup.TryAdd(table_name + "|" + value_name, DateTime.Now);
//
var skey = MakeSnapshotKey(table_info.TableNumber, table_info.ColumnNumbers[value_name]);
leveld_db.Put(skey, Encoding.UTF8.GetBytes(snapshot_id));
}
}
}
GC.Collect();
GC.WaitForPendingFinalizers();
}
public void MakeNewPropSnapshot(string type, string prop, string snapshot_id, IndexNewData index_new, IndexDeletedData index_deleted, IndexChangedData index_changed)
{
var latest_key = type + "|" + prop;
var latest_snapshot_id = latest_snapshots[latest_key];
var key = type + "|" + prop + "|" + latest_snapshot_id;
var index = indexes[key];
var ids_index = indexes[type + "|Id|" + latest_snapshots[type + "|Id"]];
var parts = new List <IndexPart>();
var new_index = new IndexGeneric()
{
ColumnName = index.ColumnName,
ColumnType = index.ColumnType,
GroupListMapping = index.GroupListMapping,
IndexType = index.IndexType,
Parts = parts,
TypeName = index.TypeName
};
bool has_changed_int = index_changed != null && index_changed.IntValues != null && index_changed.IntValues.Any();
bool has_changed_double = index_changed != null && index_changed.DoubleValues != null && index_changed.DoubleValues.Any();
bool has_deleted = index_deleted != null && index_deleted.Ids.Any();
//var dbloomsize = 100000;
//var deleted_bloom = new List<bool>(dbloomsize);
//for (int i = 0; i < dbloomsize; i++)
//{
// deleted_bloom.Add(false);
//}
//if (has_deleted)
//{
// foreach (var did in index_deleted.Ids)
// {
// deleted_bloom[did % dbloomsize] = true;
// }
//}
//var changed_int_bloom = new List<bool>(dbloomsize);
//for (int i = 0; i < dbloomsize; i++)
//{
// changed_int_bloom.Add(false);
//}
//if (has_changed_int)
//{
// foreach (var cid in index_changed.IntValues)
// {
// changed_int_bloom[cid.Key % dbloomsize] = true;
// }
//}
//var changed_double_bloom = new List<bool>(dbloomsize);
//for (int i = 0; i < dbloomsize; i++)
//{
// changed_double_bloom.Add(false);
//}
//if (has_changed_double)
//{
// foreach (var cid in index_changed.DoubleValues)
// {
// changed_double_bloom[cid.Key % dbloomsize] = true;
// }
//}
switch (index.ColumnType)
{
case LinqDbTypes.int_:
if (index.IndexType == IndexType.PropertyOnly) //property index only
{
for (int i = 0; i < index.Parts.Count; i++)
{
var p = index.Parts[i];
p.Ids = ids_index.Parts[i].IntValues;
IndexPart np = null;
HashSet <int> removed = null;
int icount = p.IntValues.Count;
for (int j = 0; j < icount; j++)
{
var cid = p.Ids[j];
if (has_changed_int /*&& changed_int_bloom[cid % dbloomsize]*/ && index_changed.IntValues.ContainsKey(cid))
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
IntValues = new List <int>(p.IntValues)
};
}
np.IntValues[j] = index_changed.IntValues[cid];
}
//if (j >= p.Ids.Count())
//{
// var a = 5;
//}
if (has_deleted /*&& deleted_bloom[cid % dbloomsize]*/ && index_deleted.Ids.Contains(cid))
{
if (removed == null)
{
removed = new HashSet <int>();
}
removed.Add((int)cid);
}
}
if (removed != null)
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
IntValues = new List <int>(p.IntValues)
};
}
var npp = new IndexPart()
{
Ids = new List <int>(),
IntValues = new List <int>()
};
for (int z = 0; z < np.Ids.Count; z++)
{
if (!removed.Contains((int)np.Ids[z]))
{
npp.Ids.Add(np.Ids[z]);
npp.IntValues.Add(np.IntValues[z]);
}
}
np = npp;
}
if (np != null)
{
p = np; //wow, finally!
}
parts.Add(p);
}
if (index_new != null)
{
IndexPart lastp = null;
if (parts.Any())
{
lastp = parts.LastOrDefault();
}
if (lastp == null)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
IntValues = new List <int>()
};
parts.Add(lastp);
}
else
{
lastp = new IndexPart()
{
Ids = new List <int>(lastp.Ids),
IntValues = new List <int>(lastp.IntValues)
};
parts[parts.Count() - 1] = lastp;
}
for (int i = 0; i < index_new.IntValues.Count; i++)
{
if (lastp.Ids.Count == 1000)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
IntValues = new List <int>()
};
parts.Add(lastp);
}
lastp.IntValues.Add(index_new.IntValues[i]);
lastp.Ids.Add(index_new.Ids[i]);
}
}
for (int i = 0; i < index.Parts.Count(); i++)
{
index.Parts[i].Ids = null;
}
}
else if (index.IndexType == IndexType.GroupOnly) //group index only
{
int map = 0;
if (index.GroupListMapping.Any())
{
map = index.GroupListMapping.Max(f => f.Value);
map++;
}
for (int i = 0; i < index.Parts.Count; i++)
{
var p = index.Parts[i];
p.Ids = ids_index.Parts[i].IntValues;
IndexPart np = null;
HashSet <int> removed = null;
int icount = p.GroupValues.Count;
for (int j = 0; j < icount; j++)
{
int cid = p.Ids[j];
if (has_changed_int /*&& changed_int_bloom[cid % dbloomsize]*/ && index_changed.IntValues.ContainsKey(cid))
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
GroupValues = new List <int>(p.GroupValues)
};
}
if (!index.GroupListMapping.ContainsKey(index_changed.IntValues[cid]))
{
index.GroupListMapping[index_changed.IntValues[cid]] = map;
map++;
}
np.GroupValues[j] = index.GroupListMapping[index_changed.IntValues[cid]];
}
if (has_deleted /*&& deleted_bloom[cid % dbloomsize]*/ && index_deleted.Ids.Contains(cid))
{
if (removed == null)
{
removed = new HashSet <int>();
}
removed.Add(cid);
}
}
if (removed != null)
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
GroupValues = new List <int>(p.GroupValues)
};
}
var npp = new IndexPart()
{
Ids = new List <int>(),
GroupValues = new List <int>()
};
for (int z = 0; z < np.Ids.Count; z++)
{
if (!removed.Contains((int)np.Ids[z]))
{
npp.Ids.Add(np.Ids[z]);
npp.GroupValues.Add(np.GroupValues[z]);
}
}
np = npp;
}
if (np != null)
{
p = np; //wow, finally!
}
parts.Add(p);
}
if (index_new != null)
{
IndexPart lastp = null;
if (parts.Any())
{
lastp = parts.LastOrDefault();
}
if (lastp == null)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
GroupValues = new List <int>()
};
parts.Add(lastp);
}
else
{
lastp = new IndexPart()
{
Ids = new List <int>(lastp.Ids),
GroupValues = new List <int>(lastp.GroupValues)
};
parts[parts.Count() - 1] = lastp;
}
for (int i = 0; i < index_new.IntValues.Count; i++)
{
if (lastp.Ids.Count == 1000)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
GroupValues = new List <int>()
};
parts.Add(lastp);
}
if (!index.GroupListMapping.ContainsKey((int)index_new.IntValues[i]))
{
index.GroupListMapping[(int)index_new.IntValues[i]] = map;
map++;
}
lastp.GroupValues.Add(index.GroupListMapping[(int)index_new.IntValues[i]]);
lastp.Ids.Add(index_new.Ids[i]);
}
}
for (int i = 0; i < index.Parts.Count(); i++)
{
index.Parts[i].Ids = null;
}
}
else //both
{
int map = 0;
if (index.GroupListMapping.Any())
{
map = index.GroupListMapping.Max(f => f.Value);
map++;
}
for (int i = 0; i < index.Parts.Count; i++)
{
var p = index.Parts[i];
p.Ids = ids_index.Parts[i].IntValues;
IndexPart np = null;
HashSet <int> removed = null;
int icount = p.GroupValues.Count;
for (int j = 0; j < icount; j++)
{
int cid = p.Ids[j];
if (has_changed_int /*&& changed_int_bloom[cid % dbloomsize]*/ && index_changed.IntValues.ContainsKey(cid))
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
GroupValues = new List <int>(p.GroupValues),
IntValues = new List <int>(p.IntValues)
};
}
if (!index.GroupListMapping.ContainsKey(index_changed.IntValues[cid]))
{
index.GroupListMapping[index_changed.IntValues[cid]] = map;
map++;
}
np.GroupValues[j] = index.GroupListMapping[index_changed.IntValues[cid]];
np.IntValues[j] = index_changed.IntValues[cid];
}
if (has_deleted /*&& deleted_bloom[cid % dbloomsize]*/ && index_deleted.Ids.Contains(cid))
{
if (removed == null)
{
removed = new HashSet <int>();
}
removed.Add(cid);
}
}
if (removed != null)
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
GroupValues = new List <int>(p.GroupValues),
IntValues = new List <int>(p.IntValues)
};
}
var npp = new IndexPart()
{
Ids = new List <int>(),
GroupValues = new List <int>(),
IntValues = new List <int>()
};
for (int z = 0; z < np.Ids.Count; z++)
{
if (!removed.Contains((int)np.Ids[z]))
{
npp.Ids.Add(np.Ids[z]);
npp.GroupValues.Add(np.GroupValues[z]);
npp.IntValues.Add(np.IntValues[z]);
}
}
np = npp;
}
if (np != null)
{
p = np; //wow, finally!
}
parts.Add(p);
}
if (index_new != null)
{
IndexPart lastp = null;
if (parts.Any())
{
lastp = parts.LastOrDefault();
}
if (lastp == null)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
GroupValues = new List <int>(),
IntValues = new List <int>()
};
parts.Add(lastp);
}
else
{
lastp = new IndexPart()
{
Ids = new List <int>(lastp.Ids),
GroupValues = new List <int>(lastp.GroupValues),
IntValues = new List <int>(lastp.IntValues)
};
parts[parts.Count() - 1] = lastp;
}
for (int i = 0; i < index_new.IntValues.Count; i++)
{
if (lastp.Ids.Count == 1000)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
GroupValues = new List <int>(),
IntValues = new List <int>()
};
parts.Add(lastp);
}
if (!index.GroupListMapping.ContainsKey((int)index_new.IntValues[i]))
{
index.GroupListMapping[(int)index_new.IntValues[i]] = map;
map++;
}
lastp.GroupValues.Add(index.GroupListMapping[(int)index_new.IntValues[i]]);
lastp.IntValues.Add(index_new.IntValues[i]);
lastp.Ids.Add(index_new.Ids[i]);
}
}
for (int i = 0; i < index.Parts.Count(); i++)
{
index.Parts[i].Ids = null;
}
}
break;
case LinqDbTypes.double_:
case LinqDbTypes.DateTime_:
for (int i = 0; i < index.Parts.Count; i++)
{
var p = index.Parts[i];
p.Ids = ids_index.Parts[i].IntValues;
IndexPart np = null;
HashSet <int> removed = null;
int icount = p.DoubleValues.Count;
for (int j = 0; j < icount; j++)
{
int cid = p.Ids[j];
if (has_changed_double /*&& changed_double_bloom[cid % dbloomsize]*/ && index_changed.DoubleValues.ContainsKey(cid))
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
DoubleValues = new List <double>(p.DoubleValues)
};
}
np.DoubleValues[j] = index_changed.DoubleValues[cid];
}
if (has_deleted /*&& deleted_bloom[cid % dbloomsize]*/ && index_deleted.Ids.Contains(cid))
{
if (removed == null)
{
removed = new HashSet <int>();
}
removed.Add(cid);
}
}
if (removed != null)
{
if (np == null)
{
np = new IndexPart()
{
Ids = new List <int>(p.Ids),
DoubleValues = new List <double>(p.DoubleValues)
};
}
var npp = new IndexPart()
{
Ids = new List <int>(),
DoubleValues = new List <double>()
};
for (int z = 0; z < np.Ids.Count; z++)
{
if (!removed.Contains((int)np.Ids[z]))
{
npp.Ids.Add(np.Ids[z]);
npp.DoubleValues.Add(np.DoubleValues[z]);
}
}
np = npp;
}
if (np != null)
{
p = np; //wow, finally!
}
parts.Add(p);
}
if (index_new != null)
{
IndexPart lastp = null;
if (parts.Any())
{
lastp = parts.LastOrDefault();
}
if (lastp == null)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
DoubleValues = new List <double>()
};
parts.Add(lastp);
}
else
{
lastp = new IndexPart()
{
Ids = new List <int>(lastp.Ids),
DoubleValues = new List <double>(lastp.DoubleValues)
};
parts[parts.Count() - 1] = lastp;
}
for (int i = 0; i < index_new.DoubleValues.Count; i++)
{
if (lastp.Ids.Count == 1000)
{
lastp = new IndexPart()
{
Ids = new List <int>(),
DoubleValues = new List <double>()
};
parts.Add(lastp);
}
lastp.DoubleValues.Add(index_new.DoubleValues[i]);
lastp.Ids.Add(index_new.Ids[i]);
}
}
for (int i = 0; i < index.Parts.Count(); i++)
{
index.Parts[i].Ids = null;
}
break;
default:
break;
}
//free old snapshots
if ((DateTime.Now - last_cleanup[type + "|" + prop]).TotalMilliseconds > 30000)
{
var alive = snapshots_alive[type + "|" + prop];
var new_alive = new List <Tuple <bool, string> >(); //bool - schedueled for deletion
foreach (var sn in alive)
{
if (!sn.Item1)
{
var nsn = new Tuple <bool, string>(true, sn.Item2);
new_alive.Add(nsn);
}
else
{
IndexGeneric val = null;
indexes.TryRemove(sn.Item2, out val);
}
}
new_alive.Add(new Tuple <bool, string>(false, type + "|" + prop + "|" + snapshot_id));
snapshots_alive[type + "|" + prop] = new_alive;
last_cleanup[type + "|" + prop] = DateTime.Now;
}
else
{
snapshots_alive[type + "|" + prop].Add(new Tuple <bool, string>(false, type + "|" + prop + "|" + snapshot_id));
}
key = type + "|" + prop + "|" + snapshot_id;
indexes[key] = new_index;
latest_snapshots[latest_key] = snapshot_id;
}