static PregeneratedMessage BuildQuery(string query)
{
Contract.Requires(query != null && query.All(c => c < 128));
var totalLen = 5 + query.Length;
var ms = new MemoryStream(totalLen);
_tempBuf.Underlying = ms;
var simpleQuery = new QueryMessage(query);
simpleQuery.Write(_tempBuf);
_tempBuf.Flush();
return new PregeneratedMessage(ms.ToArray(), simpleQuery.ToString());
}
static PregeneratedMessage()
{
_tempBuf = new WriteBuffer(null, new MemoryStream(), WriteBuffer.MinimumBufferSize, Encoding.ASCII);
_tempQuery = new QueryMessage(PGUtil.UTF8Encoding);
BeginTrans = BuildQuery("BEGIN;");
SetTransRepeatableRead = BuildQuery("SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;");
SetTransSerializable = BuildQuery("SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;");
SetTransReadCommitted = BuildQuery("SET TRANSACTION ISOLATION LEVEL READ COMMITTED;");
SetTransReadUncommitted = BuildQuery("SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;");
CommitTransaction = BuildQuery("COMMIT");
RollbackTransaction = BuildQuery("ROLLBACK");
DiscardAll = BuildQuery("DISCARD ALL");
UnlistenAll = BuildQuery("UNLISTEN *");
KeepAlive = BuildQuery("SELECT NULL");
_tempBuf = null;
_tempQuery = null;
}