// Конструктор
public Mag_Store(Stream tab_stream, Stream index1, Stream index2)
{
tp_triple = new PTypeRecord(
//new NamedType("id", new PType(PTypeEnumeration.integer)), // Возможно, это временное решение
new NamedType("subj", new PType(PTypeEnumeration.integer)),
new NamedType("pred", new PType(PTypeEnumeration.integer)),
new NamedType("obj", tp_ov));
table = new TableView(tab_stream, tp_triple);
IndexViewImmutable <spo> index_spo_i = new IndexViewImmutable <spo>(index1)
{
KeyProducer = ob => new spo(((object[])ob)[1]),
Table = table,
Scale = null
};
index_spo = new IndexDynamic <spo, IndexViewImmutable <spo> >(true, index_spo_i);
table.RegisterIndex(index_spo);
IndexViewImmutable <ops> index_ops_i = new IndexViewImmutable <ops>(index2)
{
KeyProducer = ob => new ops(((object[])ob)[1]),
Table = table,
Scale = null
};
index_ops = new IndexDynamic <ops, IndexViewImmutable <ops> >(true, index_ops_i);
table.RegisterIndex(index_ops);
}
public TripleStore32(Func <Stream> stream_gen, string tmp_dir)
{
// Тип Object Variants
PType tp_ov = new PTypeUnion(
new NamedType("dummy", new PType(PTypeEnumeration.none)),
new NamedType("iri", new PType(PTypeEnumeration.integer)),
new NamedType("str", new PType(PTypeEnumeration.sstring)));
tp_triple = new PTypeRecord(
new NamedType("subj", new PType(PTypeEnumeration.integer)),
new NamedType("pred", new PType(PTypeEnumeration.integer)),
new NamedType("obj", tp_ov));
table = new UniversalSequenceBase(tp_triple, stream_gen());
var spo_comparer = Comparer <object> .Create(new Comparison <object>((object a, object b) =>
{
object[] aa = (object[])a; object[] bb = (object[])b;
int cmp = ((int)aa[0]).CompareTo((int)bb[0]);
return(cmp);
}));
keyFunc = tri => (int)((object[])tri)[0];
index_spo = new UniversalSequenceCompKey32(stream_gen(), keyFunc, spo_comparer, table);
indexTest = new IndexViewImmutable(stream_gen, table,
Comparer <object> .Create(new Comparison <object>((object a, object b) =>
{
object[] aa = (object[])a; object[] bb = (object[])b;
int cmp = ((int)aa[0]).CompareTo((int)bb[0]);
return(cmp);
})), tmp_dir, 20_000_000
);
}
// Конструктор
public Store(Stream tab_stream, Stream index1, Stream index2, Stream index3, INametable nametable)
{
this.nametable = nametable;
this.table = new TableView(
tab_stream,
PolarExtension.GetPolarType <IRecord <int, int, IUnion <int, string> > >());
IndexViewImmutable <spo> index_spo_i =
new IndexViewImmutable <spo>(index1)
{
KeyProducer =
ob => new spo(
ob.CastRow <object, object>().Item2
.CastRow <int, int, object[]>()),
Table = this.table,
Scale = null,
};
this.index_spo = new IndexDynamic <spo, IndexViewImmutable <spo> >(true, index_spo_i);
this.table.RegisterIndex(this.index_spo);
IndexViewImmutable <ops> index_ops_i =
new IndexViewImmutable <ops>(index2)
{
KeyProducer =
ob => new ops(
ob.CastRow <object, object>().Item2
.CastRow <int, int, object[]>()),
Table = this.table,
Scale = null,
};
this.index_ops = new IndexDynamic <ops, IndexViewImmutable <ops> >(true, index_ops_i);
this.table.RegisterIndex(this.index_ops);
IndexViewImmutable <int> index_p_i =
new IndexViewImmutable <int>(index3)
{
KeyProducer =
ob => (int)ob.CastRow <object, object[]>().Item2[1],
Table = this.table,
Scale = null
};
this.index_p = new IndexDynamic <int, IndexViewImmutable <int> >(true, index_p_i);
this.table.RegisterIndex(this.index_p);
if (this.table.Count() > 0)
{
this.table.BuildIndexes();
}
}
public static void Main1()
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
string path = "../../../Databases/";
int NumberOfRecords = 1000000;
Random rnd = new Random();
Console.WriteLine("Start Universal Index");
PType tp_table_element = new PTypeRecord(
new NamedType("name", new PType(PTypeEnumeration.sstring)),
new NamedType("age", new PType(PTypeEnumeration.integer)));
IBearingTableImmutable table = new TableViewImmutable(path + "table", tp_table_element);
sw.Restart();
bool tobuild = false;
if (tobuild)
{
table.Fill(Enumerable.Range(0, NumberOfRecords).Select(i =>
(object)(new object[] {i.ToString(), i == NumberOfRecords/2 ? -1 : i})));
sw.Stop();
Console.WriteLine("Load Table of {0} elements ok. Duration {1}", NumberOfRecords, sw.ElapsedMilliseconds);
}
IIndexImmutable<string> s_index = new IndexViewImmutable<string>(path + "s_index")
{
Table = (IBearingTable) table,
KeyProducer = va => (string)((object[])va)[0]
};
if (tobuild)
{
sw.Restart();
s_index.Build();
sw.Stop();
Console.WriteLine("s_index Build ok. Duration {0}", sw.ElapsedMilliseconds);
}
sw.Restart();
int cnt = 0;
for (int i = 0; i < 1000; i++)
{
int c = s_index.GetAllByKey(rnd.Next(NumberOfRecords - 1).ToString()).Count();
if (c > 1) Console.WriteLine("Unexpected Error: {0}", c);
cnt += c;
}
sw.Stop();
Console.WriteLine("1000 GetAllByKey ok. Duration={0} cnt={1}", sw.ElapsedMilliseconds, cnt);
}
public NametableTry(string path)
{
PType tp_person = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)),
new NamedType("name", new PType(PTypeEnumeration.sstring)));
tab_person = new TableView(path + "nametable", tp_person);
// Индексы: Персона
Func <object, int> person_code_keyproducer = v => (int)((object[])((object[])v)[1])[0];
ind_arr_person = new IndexKeyImmutable <int>(path + "code_ind")
{
Table = tab_person,
KeyProducer = person_code_keyproducer,
Scale = null
};
ind_arr_person.Scale = new ScaleCell(path + "code_ind")
{
IndexCell = ind_arr_person.IndexCell
};
index_person = new IndexDynamic <int, IndexKeyImmutable <int> >(true)
{
Table = tab_person,
IndexArray = ind_arr_person,
KeyProducer = person_code_keyproducer
};
Func <object, string> name_keyproducer = v => (string)((object[])((object[])v)[1])[1];
ind_arr_person_name = new IndexViewImmutable <string>(path + "name_ind")
{
Table = tab_person,
KeyProducer = name_keyproducer,
Scale = null
};
index_person_name = new IndexDynamic <string, IndexViewImmutable <string> >(false)
{
Table = tab_person,
IndexArray = ind_arr_person_name,
KeyProducer = name_keyproducer
};
tab_person.RegisterIndex(index_person);
tab_person.RegisterIndex(index_person_name);
}
public NameTableUniversal(string path)
{
this.path = path;
PType tp_tabelement = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)),
new NamedType("str", new PType(PTypeEnumeration.sstring)));
this.table = new TableView(path + "cstable", tp_tabelement);
//next_code = (int)table.Count();
offset_array = new IndexViewImmutable<int>(path + "offsets")
{
Table = this.table,
KeyProducer = pair => (int)((object[])(((object[])pair)[1]))[0],
tosort = false
};
offsets = new IndexDynamic<int, IndexViewImmutable<int>>(true)
{
Table = this.table,
//KeyProducer = pair => (int)((object[])pair)[0],
KeyProducer = pair => (int)((object[])(((object[])pair)[1]))[0],
IndexArray = offset_array
};
table.RegisterIndex(offsets);
s_index_array_path = path + "s_index";
s_index_array = new IndexHalfkeyImmutable<string>(s_index_array_path)
{
Table = table,
KeyProducer = pair => (string)((object[])(((object[])pair)[1]))[1],
HalfProducer = key => key.GetHashModifiedBernstein()
};
s_index_array.Scale = new ScaleCell(path + "dyna_index_str_half") { IndexCell = s_index_array.IndexCell };
//s_index_array.Scale = new ScaleMemory() { IndexCell = s_index_array.IndexCell };
s_index = new IndexDynamic<string, IndexHalfkeyImmutable<string>>(true)
{
Table = table,
KeyProducer = pair => (string)((object[])(((object[])pair)[1]))[1],
IndexArray = s_index_array
};
table.RegisterIndex(s_index);
}
public Stan3TabsInt(string path)
{
PType tp_person = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)),
new NamedType("name", new PType(PTypeEnumeration.sstring)),
new NamedType("age", new PType(PTypeEnumeration.integer)));
PType tp_photo_doc = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)),
new NamedType("name", new PType(PTypeEnumeration.sstring)));
PType tp_reflection = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)), // Может не быть
new NamedType("reflected", new PType(PTypeEnumeration.integer)), // ссылки на коды
new NamedType("in_doc", new PType(PTypeEnumeration.integer)));
tab_person = new TableView(path + "person", tp_person);
tab_photo_doc = new TableView(path + "photo_doc", tp_photo_doc);
tab_reflection = new TableView(path + "reflection", tp_reflection);
// Индексы: Персона
Func <object, int> person_code_keyproducer = v => (int)((object[])((object[])v)[1])[0];
ind_arr_person = new IndexKeyImmutable <int>(path + "person_ind")
{
Table = tab_person,
KeyProducer = person_code_keyproducer,
Scale = null
};
ind_arr_person.Scale = new ScaleCell(path + "person_ind")
{
IndexCell = ind_arr_person.IndexCell
};
ind_arr_person.Scale.Build();
index_person = new IndexDynamic <int, IndexKeyImmutable <int> >(true)
{
Table = tab_person,
IndexArray = ind_arr_person,
KeyProducer = person_code_keyproducer
};
// Индексы - документ
Func <object, int> photo_doc_code_keyproducer = v => (int)((object[])((object[])v)[1])[0];
ind_arr_photo_doc = new IndexKeyImmutable <int>(path + "photo_doc_ind")
{
Table = tab_photo_doc,
KeyProducer = photo_doc_code_keyproducer,
Scale = null
};
ind_arr_photo_doc.Scale = new ScaleCell(path + "photo_doc_ind")
{
IndexCell = ind_arr_photo_doc.IndexCell
};
ind_arr_photo_doc.Scale.Build();
index_photo_doc = new IndexDynamic <int, IndexKeyImmutable <int> >(true)
{
Table = tab_photo_doc,
IndexArray = ind_arr_photo_doc,
KeyProducer = photo_doc_code_keyproducer
};
// Индекс - reflection-reflected
Func <object, int> reflected_keyproducer = v => (int)((object[])((object[])v)[1])[1];
ind_arr_reflected = new IndexKeyImmutable <int>(path + "reflected_ind")
{
Table = tab_reflection,
KeyProducer = reflected_keyproducer,
Scale = null
};
ind_arr_reflected.Scale = new ScaleCell(path + "reflected_ind")
{
IndexCell = ind_arr_reflected.IndexCell
};
ind_arr_reflected.Scale.Build();
index_reflected = new IndexDynamic <int, IndexKeyImmutable <int> >(false)
{
Table = tab_reflection,
IndexArray = ind_arr_reflected,
KeyProducer = reflected_keyproducer
};
// Индекс - reflection-in_doc
Func <object, int> in_doc_keyproducer = v => (int)((object[])((object[])v)[1])[2];
ind_arr_in_doc = new IndexKeyImmutable <int>(path + "in_doc_ind")
{
Table = tab_reflection,
KeyProducer = in_doc_keyproducer,
Scale = null
};
ind_arr_in_doc.Scale = new ScaleCell(path + "in_doc_ind")
{
IndexCell = ind_arr_in_doc.IndexCell
};
ind_arr_in_doc.Scale.Build();
index_in_doc = new IndexDynamic <int, IndexKeyImmutable <int> >(false)
{
Table = tab_reflection,
IndexArray = ind_arr_in_doc,
KeyProducer = in_doc_keyproducer
};
Func <object, string> name_keyproducer = v => (string)((object[])((object[])v)[1])[1];
ind_arr_person_name = new IndexViewImmutable <string>(path + "personname_ind")
{
Table = tab_person,
KeyProducer = name_keyproducer,
Scale = null
};
ind_arr_person_name.Scale = new ScaleCell(path + "personname_ind")
{
IndexCell = ind_arr_in_doc.IndexCell
};
ind_arr_person_name.Scale.Build();
index_person_name = new IndexDynamic <string, IndexViewImmutable <string> >(false)
{
Table = tab_person,
IndexArray = ind_arr_person_name,
KeyProducer = name_keyproducer
};
tab_person.RegisterIndex(index_person);
tab_person.RegisterIndex(index_person_name);
tab_photo_doc.RegisterIndex(index_photo_doc);
tab_reflection.RegisterIndex(index_reflected);
tab_reflection.RegisterIndex(index_in_doc);
}
public static void Main4(string[] args)
{
Random rnd = new Random();
Console.WriteLine("Start Task04_Sequenses_Main3");
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
PType tp_person = new PTypeRecord(
new NamedType("id", new PType(PTypeEnumeration.integer)),
new NamedType("name", new PType(PTypeEnumeration.sstring)),
new NamedType("age", new PType(PTypeEnumeration.real)));
TableView tab_person = new TableView(path + "tab_person.pac", tp_person);
IndexViewImmutable <string> name_index = new IndexViewImmutable <string>(path + "name_index.pac")
{
Table = tab_person,
KeyProducer = v => (string)((object[])((object[])v)[1])[1]
};
IndexDynamic <string, IndexViewImmutable <string> > index_person_name = new IndexDynamic <string, IndexViewImmutable <string> >(false, name_index);
tab_person.RegisterIndex(index_person_name);
int nelements = 1_000_000;
bool toload = true; // Загружать или нет новую базу данных
if (toload)
{
sw.Restart();
// Очистим ячейки последовательности и индекса
tab_person.Clear();
IEnumerable <object> flow = Enumerable.Range(0, nelements)
.Select(i =>
{
int id = nelements - i;
string name = "=" + id.ToString() + "=";
double age = rnd.NextDouble() * 100.0;
return(new object[] { id, name, age });
});
tab_person.Fill(flow);
// Теперь надо отсортировать индексный массив по ключу
tab_person.BuildIndexes();
sw.Stop();
Console.WriteLine("Load ok. duration for {0} elements: {1} ms", nelements, sw.ElapsedMilliseconds);
}
else
{
tab_person.Warmup();
}
// Проверим работу
int search_key = nelements * 2 / 3;
var ob = index_person_name.GetAllByKey("=" + search_key + "=")
.Select(ent => ((object[])ent.Get())[1])
.FirstOrDefault();
if (ob == null)
{
throw new Exception("Didn't find person " + search_key);
}
Console.WriteLine("Person {0} has name {1}", search_key, ((object[])ob)[1]);
// Засечем скорость выборок
int nprobe = 1000;
sw.Restart();
for (int i = 0; i < nprobe; i++)
{
search_key = rnd.Next(nelements) + 1;
ob = index_person_name.GetAllByKey("=" + search_key + "=")
.Select(ent => ((object[])ent.Get())[1])
.FirstOrDefault();
if (ob == null)
{
throw new Exception("Didn't find person " + search_key);
}
string nam = (string)((object[])ob)[1];
}
sw.Stop();
Console.WriteLine($"Duration for {nprobe} search in {nelements} elements: {sw.ElapsedMilliseconds} ms");
string search_string = "=66666";
var query = index_person_name.GetAllByLevel((PaEntry entry) =>
{
var name = (string)((object[])((object[])entry.Get())[1])[1];
if (name.StartsWith(search_string))
{
return(0);
}
return(name.CompareTo(search_string));
});
foreach (object v in query.Select(entry => ((object[])entry.Get())[1]))
{
Console.WriteLine(tp_person.Interpret(v));
}
}
public Stan3TabsInt(string path)
{
PType tp_person = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)),
new NamedType("name", new PType(PTypeEnumeration.sstring)),
new NamedType("age", new PType(PTypeEnumeration.integer)));
PType tp_photo_doc = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)),
new NamedType("name", new PType(PTypeEnumeration.sstring)));
PType tp_reflection = new PTypeRecord(
new NamedType("code", new PType(PTypeEnumeration.integer)), // Может не быть
new NamedType("reflected", new PType(PTypeEnumeration.integer)), // ссылки на коды
new NamedType("in_doc", new PType(PTypeEnumeration.integer)));
tab_person = new TableView(path + "person", tp_person);
tab_photo_doc = new TableView(path + "photo_doc", tp_photo_doc);
tab_reflection = new TableView(path + "reflection", tp_reflection);
// Индексы: Персона
Func<object, int> person_code_keyproducer = v => (int)((object[])((object[])v)[1])[0];
ind_arr_person = new IndexKeyImmutable<int>(path + "person_ind")
{
Table = tab_person,
KeyProducer = person_code_keyproducer,
Scale = null
};
//ind_arr_person.Scale = new ScaleCell(path + "person_ind") { IndexCell = ind_arr_person.IndexCell };
//ind_arr_person.Scale.Build();
index_person = new IndexDynamic<int, IndexKeyImmutable<int>>(true)
{
Table = tab_person,
IndexArray = ind_arr_person,
KeyProducer = person_code_keyproducer
};
// Индексы - документ
Func<object, int> photo_doc_code_keyproducer = v => (int)((object[])((object[])v)[1])[0];
ind_arr_photo_doc = new IndexKeyImmutable<int>(path + "photo_doc_ind")
{
Table = tab_photo_doc,
KeyProducer = photo_doc_code_keyproducer,
Scale = null
};
//ind_arr_photo_doc.Scale = new ScaleCell(path + "photo_doc_ind") { IndexCell = ind_arr_photo_doc.IndexCell };
//ind_arr_photo_doc.Scale.Build();
index_photo_doc = new IndexDynamic<int, IndexKeyImmutable<int>>(true)
{
Table = tab_photo_doc,
IndexArray = ind_arr_photo_doc,
KeyProducer = photo_doc_code_keyproducer
};
// Индекс - reflection-reflected
Func<object, int> reflected_keyproducer = v => (int)((object[])((object[])v)[1])[1];
ind_arr_reflected = new IndexKeyImmutable<int>(path + "reflected_ind")
{
Table = tab_reflection,
KeyProducer = reflected_keyproducer,
Scale = null
};
//ind_arr_reflected.Scale = new ScaleCell(path + "reflected_ind") { IndexCell = ind_arr_reflected.IndexCell };
//ind_arr_reflected.Scale.Build();
index_reflected = new IndexDynamic<int, IndexKeyImmutable<int>>(false)
{
Table = tab_reflection,
IndexArray = ind_arr_reflected,
KeyProducer = reflected_keyproducer
};
// Индекс - reflection-in_doc
Func<object, int> in_doc_keyproducer = v => (int)((object[])((object[])v)[1])[2];
ind_arr_in_doc = new IndexKeyImmutable<int>(path + "in_doc_ind")
{
Table = tab_reflection,
KeyProducer = in_doc_keyproducer,
Scale = null
};
//ind_arr_in_doc.Scale = new ScaleCell(path + "in_doc_ind") { IndexCell = ind_arr_in_doc.IndexCell };
//ind_arr_in_doc.Scale.Build();
index_in_doc = new IndexDynamic<int, IndexKeyImmutable<int>>(false)
{
Table = tab_reflection,
IndexArray = ind_arr_in_doc,
KeyProducer = in_doc_keyproducer
};
Func<object, string> name_keyproducer = v => (string)((object[])((object[])v)[1])[1];
ind_arr_person_name = new IndexViewImmutable<string>(path + "personname_ind")
{
Table = tab_person,
KeyProducer = name_keyproducer,
Scale = null
};
//ind_arr_person_name.Scale = new ScaleCell(path + "personname_ind") {IndexCell = ind_arr_in_doc.IndexCell};
//ind_arr_person_name.Scale.Build();
index_person_name = new IndexDynamic<string, IndexViewImmutable<string>>(false)
{
Table = tab_person,
IndexArray = ind_arr_person_name,
KeyProducer = name_keyproducer
};
tab_person.RegisterIndex(index_person);
tab_person.RegisterIndex(index_person_name);
tab_photo_doc.RegisterIndex(index_photo_doc);
tab_reflection.RegisterIndex(index_reflected);
tab_reflection.RegisterIndex(index_in_doc);
}
public static void Main4()
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
string path = "../../../Databases/";
int NumberOfRecords = 1000000;
Random rnd = new Random();
Console.WriteLine("Start Universal Index. Main4()");
PType tp_table_element = new PTypeRecord(
new NamedType("name", new PType(PTypeEnumeration.sstring)),
new NamedType("age", new PType(PTypeEnumeration.integer)));
TableView table = new TableView(path + "table", tp_table_element);
sw.Restart();
bool tobuild = false;
if (tobuild)
{
table.Fill(Enumerable.Range(0, NumberOfRecords).Select(i =>
(object)(new object[] { i.ToString(), i == NumberOfRecords / 2 ? -1 : i })));
sw.Stop();
Console.WriteLine("Load Table of {0} elements ok. Duration {1}", NumberOfRecords, sw.ElapsedMilliseconds);
}
else table.Warmup();
sw.Restart();
// Делаем индекс
var aa = new IndexViewImmutable<int>(path + "dyna_index_int")
{
Table = table,
KeyProducer = va => (int)((object[])(((object[])va)[1]))[1]
};
bool tobuild_s_index = false;
if (tobuild_s_index) aa.Build();
else aa.Warmup();
IndexDynamic<int, IndexViewImmutable<int>> a_index = new IndexDynamic<int, IndexViewImmutable<int>>(true)
{
Table = table,
KeyProducer = va => (int)((object[])(((object[])va)[1]))[1],
IndexArray = aa
};
Console.WriteLine("a_index Build ok. Duration {0}", sw.ElapsedMilliseconds);
sw.Restart();
int cnt = 0;
for (int i = 0; i < 1000; i++)
{
int c = a_index.GetAllByKey(rnd.Next(NumberOfRecords * 3 / 2 - 1)).Count();
if (c > 1) Console.WriteLine("Unexpected Error: {0}", c);
cnt += c;
}
sw.Stop();
Console.WriteLine("1000 GetAllByKey ok. Duration={0} cnt={1}", sw.ElapsedMilliseconds, cnt);
}