/// <summary>
/// Wrzuca dane do bazy danych.
/// </summary>
private bool importData()
{
tic("Importing data:", true, true);
const int FLUSH_ROWS = 200000;
String[] toImport = new String[]
{
sessionTableName, queryTableName, queryTermTableName, queryUrlTableName, clickTableName, urlTableName
};
foreach (String tableName in toImport)
{
tic(tableName, false, true);
int[] types = getTableTypes(tableName);
NpgsqlCommand cmd = new NpgsqlCommand(buildInsertCommand(tableName), connection);
NpgsqlCopySerializer serializer = new NpgsqlCopySerializer(connection);
NpgsqlCopyIn copyIn = new NpgsqlCopyIn(cmd, connection, serializer.ToStream);
copyIn.Start();
using (BufferedBinaryReader reader = new BufferedBinaryReader(workDir + tableName))
{
int lineCounter = 0;
while (reader.PeekChar() > -1)
{
lineCounter++;
for (int i = 0; i < types.Length; i++)
{
if (types[i] == 0)
{
int value = reader.ReadInt32();
serializer.AddInt32(value);
}
if (types[i] == 1)
{
bool value = reader.ReadBool();
serializer.AddBool(value);
}
}
serializer.EndRow();
if ((lineCounter + 1) % FLUSH_ROWS == 0)
{
serializer.Flush();
}
}
Console.Write(String.Format("{0,-15}", String.Format("({0})", lineCounter)));
}
serializer.Flush();
serializer.Close();
copyIn.End();
toc();
}
toc(true);
return(true);
}