static {
int i = 0;
byte packetId = 0;
header.packetId = ++packetId;
fields[i] = PacketUtil.getField("SESSION.AUTOINCREMENT", Fields.FIELD_TYPE_LONGLONG);
fields[i++].packetId = ++packetId;
eof.packetId = ++packetId;
}
/** @author xianmao.hexm 2011-5-9 下午06:06:12 */
public final class SelectSessionAutoIncrement {
private static final int FIELD_COUNT = 1;
private static final ResultSetHeaderPacket header = PacketUtil.getHeader(FIELD_COUNT);
private static final FieldPacket[] fields = new FieldPacket[FIELD_COUNT];
private static final EOFPacket eof = new EOFPacket();
static {
int i = 0;
byte packetId = 0;
header.packetId = ++packetId;
fields[i] = PacketUtil.getField("SESSION.AUTOINCREMENT", Fields.FIELD_TYPE_LONGLONG);
fields[i++].packetId = ++packetId;
eof.packetId = ++packetId;
}
public static void execute(ManagerConnection c) {
ByteBuffer buffer = c.allocate();
// write header
buffer = header.write(buffer, c);
// write fields
for (FieldPacket field : fields) {
buffer = field.write(buffer, c);
}
// write eof
buffer = eof.write(buffer, c);
// write rows
byte packetId = eof.packetId;
RowDataPacket row = new RowDataPacket(FIELD_COUNT);
row.packetId = ++packetId;
row.add(LongUtil.toBytes(1));
buffer = row.write(buffer, c);
// write last eof
EOFPacket lastEof = new EOFPacket();
lastEof.packetId = ++packetId;
buffer = lastEof.write(buffer, c);
// post write
c.write(buffer);
}
}
/** @author <a href="mailto:[email protected]">QIU Shuo</a> */ public class SelectIdentity { private static final int FIELD_COUNT = 1; private static final ResultSetHeaderPacket header = PacketUtil.getHeader(FIELD_COUNT); static { byte packetId = 0; header.packetId = ++packetId; } public static void response( ServerConnection c, String stmt, int aliasIndex, final String orgName) { String alias = ParseUtil.parseAlias(stmt, aliasIndex); if (alias == null) { alias = orgName; } ByteBuffer buffer = c.allocate(); // write header buffer = header.write(buffer, c); // write fields byte packetId = header.packetId; FieldPacket field = PacketUtil.getField(alias, orgName, Fields.FIELD_TYPE_LONGLONG); field.packetId = ++packetId; buffer = field.write(buffer, c); // write eof EOFPacket eof = new EOFPacket(); eof.packetId = ++packetId; buffer = eof.write(buffer, c); // write rows RowDataPacket row = new RowDataPacket(FIELD_COUNT); row.add(LongUtil.toBytes(c.getLastInsertId())); row.packetId = ++packetId; buffer = row.write(buffer, c); // write last eof EOFPacket lastEof = new EOFPacket(); lastEof.packetId = ++packetId; buffer = lastEof.write(buffer, c); // post write c.write(buffer); } }