public void Clear()
{
statements.Clear();
statementsAboutSubject.Clear();
statementsAboutObject.Clear();
distinct = true;
}
public void RunAddBuffer()
{
if (addStatementBuffer.Count == 0)
{
return;
}
// TODO: We compute the hash of each resource 2 times.
bool insertCombined = sql.connection.SupportsInsertCombined;
StringBuilder valueInsertions = new StringBuilder();
StringBuilder statementInsertions = new StringBuilder();
if (insertCombined)
{
valueInsertions.Append("INSERT " + sql.connection.ValueInsertKeywords + " INTO " + sql.prefix + "_values ");
}
if (insertCombined)
{
statementInsertions.Append("INSERT " + sql.connection.StatementInsertKeywords + " INTO " + sql.prefix + "_statements ");
}
bool firstValueInsert = true; // only used if insertCombined is true
StatementList statements = addStatementBuffer;
for (int i = 0; i < statements.Count; i++)
{
Statement statement = (Statement)statements[i];
sql.AddValue(statement.Subject, valueInsertions, insertCombined, ref firstValueInsert);
sql.AddValue(statement.Predicate, valueInsertions, insertCombined, ref firstValueInsert);
sql.AddValue(statement.Object, valueInsertions, insertCombined, ref firstValueInsert);
sql.AddValue(statement.Meta, valueInsertions, insertCombined, ref firstValueInsert);
if (!insertCombined)
{
statementInsertions.Append("INSERT " + sql.connection.StatementInsertKeywords + " INTO " + sql.prefix + "_statements ");
}
if (i > 0)
{
statementInsertions.Append('(');
}
statementInsertions.Append('(');
statementInsertions.Append('\'');
statementInsertions.Append(sql.GetHash(statement.Subject));
statementInsertions.Append('\'');
statementInsertions.Append(',');
statementInsertions.Append('\'');
statementInsertions.Append(sql.GetHash(statement.Predicate));
statementInsertions.Append('\'');
statementInsertions.Append(',');
statementInsertions.Append('\'');
statementInsertions.Append(sql.GetHash(statement.Object));
statementInsertions.Append('\'');
statementInsertions.Append(',');
statementInsertions.Append('\'');
statementInsertions.Append(sql.GetHash(statement.Meta));
statementInsertions.Append('\'');
if (i == statements.Count - 1 || !insertCombined)
{
statementInsertions.Append(");");
}
else
{
statementInsertions.Append(")");
}
}
addStatementBuffer.Clear();
if (insertCombined)
{
valueInsertions.Append(';');
}
if (Debug)
{
Console.Error.WriteLine(valueInsertions.ToString());
}
sql.connection.RunCommand(valueInsertions.ToString());
if (Debug)
{
Console.Error.WriteLine(statementInsertions.ToString());
}
sql.connection.RunCommand(statementInsertions.ToString());
}
