protected string GenerateSelectQuery(bool single = true, int operationCase = 1)
{
int a = single ? rand.Next(0, single_size) : rand.Next(single_size, single_size + multiple_size / conf.multiple);
string operation;
switch (operationCase)
{
case 2:
operation = "a + b";
break;
case 3:
operation = "a * c";
break;
case 4:
operation = "a + a * c + b";
break;
default:
operation = "a";
break;
}
return(QueryConstructor.ConstructSelectQuery(operation, a));
}
protected string GenerateUpdateQuery(bool single = true)
{
int a = single ? rand.Next(0, single_size) : rand.Next(single_size, single_size + multiple_size / conf.multiple);
ArrayList data = DataGenerator.GetDataRows(1)[0]; // get from random range as we update a to the same value
return(QueryConstructor.ConstructUpdateQuery(a, data));
}
protected string GenerateInsertQuery(int numberOfRecords)
{
List <ArrayList> data = DataGenerator.GetDataRows(numberOfRecords);
string query = QueryConstructor.ConstructInsertQuery("t1", data);
return(query);
}
protected string GenerateSelectJoinQuery(int size, bool single = true)
{
int single_size = 4 * size / 10;
int multiple_size = 4 * size / 10;
int a = single ? rand.Next(0, single_size) : rand.Next(single_size, single_size + multiple_size / conf.multiple);
return(QueryConstructor.ConstructSelectJoinQuery(a));
}
protected string GenerateSelectWithoutQuery(bool single = true)
{
int a = single ? rand.Next(0, single_size) : rand.Next(single_size, single_size + multiple_size / conf.multiple);
switch (conf.ServerType)
{
case MSSQL:
return(QueryConstructor.ConstructMsSelectWithoutQuery(a));
case MYSQL:
case PGSQL:
return(QueryConstructor.ConstructMySelectWithoutQuery(a));
}
return(null);
}
protected string GenerateEncryptQuery(bool check = false, int typeCase = 1)
{
string type;
switch (typeCase)
{
case 1:
type = "STORE";
break;
case 2:
type = "SEARCH";
break;
case 3:
type = "RANGE";
break;
case 4:
type = "ADDITION";
break;
case 5:
type = "MULTIPLICATION";
break;
case 6:
type = "SEARCH, STORE, RANGE, ADDITION, MULTIPLICATION";
break;
case 7:
type = "WILDCARD";
break;
default:
type = "STORE";
break;
}
return(QueryConstructor.ConstructEncryptQuery(check, type));
}
protected string GenerateUpdateKeyQuery(bool check = false)
{
return(QueryConstructor.ConstructUpdateKeyQuery(check));
}
protected string GenerateDecryptQuery(bool check = false, bool str = false)
{
return(QueryConstructor.ConstructDecryptQuery(check, str));
}
protected string GenerateDeleteQuery(bool single = true)
{
int a = single ? rand.Next(0, single_size) : rand.Next(single_size, single_size + multiple_size / conf.multiple);
return(QueryConstructor.ConstructDeleteQuery(a));
}
protected void SetupForSelect(int size, string table = "t1")
// populate tables with 500M rows
{
single_size = 4 * size / 10;
multiple_size = 6 * size / 10;
ConcurrentQueue <string> cq = new ConcurrentQueue <string>();
// populate single range
int batch_size = 1000;
while (size % batch_size != 0)
{
batch_size /= 10;
}
for (int i = 0; i < single_size / batch_size; i++)
{
string query = QueryConstructor.ConstructInsertQuery(table,
DataGenerator.GetDataRowsForSelect(i * batch_size, batch_size: batch_size));
// execute query
cq.Enqueue(query);
}
while ((multiple_size / conf.multiple) % batch_size != 0)
{
batch_size /= 10;
}
// populate multiple range
for (int m = 0; m < conf.multiple; m++)
{
for (int i = 0; i < multiple_size / (conf.multiple * batch_size); i++)
{
string query = QueryConstructor.ConstructInsertQuery(table,
DataGenerator.GetDataRowsForSelect(single_size + i * batch_size, batch_size: batch_size));
// execute query
cq.Enqueue(query);
}
}
var watch = Stopwatch.StartNew();
var insertCount = 0;
void startWorker()
{
DataBase database = new DataBase();
while (cq.TryDequeue(out string query))
{
database.ExecuteNonQuery(query);
insertCount++;
// To keep alive the terminal
if (insertCount % 50 == 0)
{
Console.WriteLine("-");
}
}
database.Close();
}
Parallel.For(0, 5, i => startWorker());
watch.Stop();
Console.WriteLine("====Time of INSERT {0} records: {1}====\n", size, watch.Elapsed.ToString(@"hh\:mm\:ss\.fff"));
}
