public void InsertRecords()
{
var db = OpenDB(databaseName);
db.ExecuteNonQuery("BEGIN");
var stmt = new SQLiteVdbe(db, INSERT_Command);
long key = 1999;
for (var i = 0; i < 1000; i++)
{
key = (3141592621L * key + 2718281829L) % 1000000007L;
stmt.Reset();
stmt.BindLong(1, key);
stmt.BindText(2, key.ToString());
stmt.ExecuteStep();
}
stmt.Close();
db.ExecuteNonQuery("END");
db.CloseDatabase();
}
private static void TestCsharpSqlite()
{
SQLiteDatabase db;
SQLiteVdbe stmt;
SQLiteVdbe c1, c2;
bool found;
int i;
string databaseName = "Benchmark_cs-SQLite.sqlite";
if ( File.Exists( databaseName ) ) File.Delete( databaseName );
db = new SQLiteDatabase( databaseName );
for ( i = 0; i < PRAGMA_Commands.Length; i++ ) { db.ExecuteNonQuery( PRAGMA_Commands[i] ); }
db.ExecuteNonQuery( "BEGIN EXCLUSIVE" );
for ( i = 0; i < CREATE_Commands.Length; i++ ) { db.ExecuteNonQuery( CREATE_Commands[i] ); }
stmt = new SQLiteVdbe( db, INSERT_Command );
long start = DateTime.Now.Ticks;
long key = 1999;
for ( i = 0; i < nRecords; i++ )
{
key = ( 3141592621L * key + 2718281829L ) % 1000000007L;
stmt.Reset();
stmt.BindLong( 1, key );
stmt.BindText( 2, key.ToString() );
stmt.ExecuteStep();
}
stmt.Close();
db.ExecuteNonQuery( "END" );
timer[1, 0] = DateTime.Now.Ticks - start;
db.ExecuteNonQuery( "BEGIN EXCLUSIVE" );
start = DateTime.Now.Ticks;
c1 = new SQLiteVdbe( db, SELECT_Bind_i );
c2 = new SQLiteVdbe( db, SELECT_Bind_s );
key = 1999;
for ( i = 0; i < nRecords; i++ )
{
key = ( 3141592621L * key + 2718281829L ) % 1000000007L;
c1.Reset();
c1.BindLong( 1, key );
c1.ExecuteStep();
c2.Reset();
c2.BindText( 1, key.ToString() );
c2.ExecuteStep();
long id = (long)c1.Result_Long( 0 );
Debug.Assert( id == (long)c2.Result_Long( 0 ) );
}
c1.Close();
c2.Close();
db.ExecuteNonQuery( "END" );
timer[1, 1] = DateTime.Now.Ticks - start;
db.ExecuteNonQuery( "BEGIN EXCLUSIVE" );
start = DateTime.Now.Ticks;
key = Int64.MinValue;
i = 0;
c1 = new SQLiteVdbe( db, SELECT_Command_i );
while ( c1.ExecuteStep() != Sqlite3.SQLITE_DONE )
{
long intKey = (long)c1.Result_Long( 0 );
Debug.Assert( intKey >= key );
key = intKey;
i += 1;
}
c1.Close();
Debug.Assert( i == nRecords );
String strKey = "";
i = 0;
c2 = new SQLiteVdbe( db, SELECT_Command_s );
while ( c2.ExecuteStep() != Sqlite3.SQLITE_DONE )
{
string recStrKey = (string)c2.Result_Text( 1 );
Debug.Assert( recStrKey.CompareTo( strKey ) >= 0 );
strKey = recStrKey;
i += 1;
}
c2.Close();
Debug.Assert( i == nRecords );
timer[1, 2] = DateTime.Now.Ticks - start;
db.ExecuteNonQuery( "END" );
db.ExecuteNonQuery( "BEGIN EXCLUSIVE" );
start = DateTime.Now.Ticks;
key = 1999;
stmt = new SQLiteVdbe( db, DELETE_Bind );
for ( i = 0; i < nRecords; i++ )
{
key = ( 3141592621L * key + 2718281829L ) % 1000000007L;
stmt.Reset();
stmt.BindLong( 1, key );
stmt.ExecuteStep();
}
stmt.Close();
db.ExecuteNonQuery( "END" );
timer[1, 3] = DateTime.Now.Ticks - start;
db.CloseDatabase();
#if NET_35
Sqlite3.Shutdown();
#else
Sqlite3.sqlite3_shutdown();
#endif
}