Examples with RowDataPacket com.actiontech.dble.net.mysql.RowDataPacket used on opensource projects

Example 76 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class SelectLastInsertId method response.

public static void response(ServerConnection c, String stmt, int aliasIndex) {
    String alias = ParseUtil.parseAlias(stmt, aliasIndex);
    if (alias == null) {
        alias = ORG_NAME;
    }
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = HEADER.write(buffer, c, true);
    // write fields
    byte packetId = HEADER.getPacketId();
    FieldPacket field = PacketUtil.getField(alias, ORG_NAME, Fields.FIELD_TYPE_LONGLONG);
    field.setPacketId(++packetId);
    buffer = field.write(buffer, c, true);
    // write eof
    EOFPacket eof = new EOFPacket();
    eof.setPacketId(++packetId);
    buffer = eof.write(buffer, c, true);
    // write rows
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(LongUtil.toBytes(c.getLastInsertId()));
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 77 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class SelectTxReadOnly method response.

public static void response(ServerConnection c) {
    ByteBuffer buffer = c.allocate();
    buffer = HEADER.write(buffer, c, true);
    for (FieldPacket field : FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    buffer = EOF.write(buffer, c, true);
    byte packetId = EOF.getPacketId();
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    int result = c.isReadOnly() ? 1 : 0;
    row.add(LongUtil.toBytes(result));
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    c.write(buffer);
}

Example 78 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class SelectVariables method execute.

public static void execute(ServerConnection c, String sql) {
    String subSql = sql.substring(sql.indexOf("SELECT") + 6);
    List<String> splitVar = Splitter.on(",").omitEmptyStrings().trimResults().splitToList(subSql);
    splitVar = convert(splitVar);
    int fieldCount = splitVar.size();
    ResultSetHeaderPacket header = PacketUtil.getHeader(fieldCount);
    FieldPacket[] fields = new FieldPacket[fieldCount];
    int i = 0;
    byte packetId = 0;
    header.setPacketId(++packetId);
    for (String s : splitVar) {
        fields[i] = PacketUtil.getField(s, Fields.FIELD_TYPE_VAR_STRING);
        fields[i++].setPacketId(++packetId);
    }
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    EOFPacket eof = new EOFPacket();
    eof.setPacketId(++packetId);
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    // byte packetId = eof.packetId;
    RowDataPacket row = new RowDataPacket(fieldCount);
    for (String s : splitVar) {
        String value = VARIABLES.get(s) == null ? "" : VARIABLES.get(s);
        row.add(value.getBytes());
    }
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write lastEof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 79 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class FetchMySQLSequenceHandler method rowResponse.

@Override
public boolean rowResponse(byte[] row, RowDataPacket rowPacket, boolean isLeft, BackendConnection conn) {
    RowDataPacket rowDataPkg = new RowDataPacket(1);
    rowDataPkg.read(row);
    byte[] columnData = rowDataPkg.fieldValues.get(0);
    String columnVal = new String(columnData);
    SequenceVal seqVal = (SequenceVal) conn.getAttachment();
    if (IncrSequenceMySQLHandler.ERR_SEQ_RESULT.equals(columnVal)) {
        seqVal.dbretVal = IncrSequenceMySQLHandler.ERR_SEQ_RESULT;
        LOGGER.warn(AlarmCode.CORE_SEQUENCE_WARN + " sequnce sql returned err value ,sequence:" + seqVal.seqName + " " + columnVal + " sql:" + seqVal.sql);
    } else {
        seqVal.dbretVal = columnVal;
    }
    return false;
}

Example 80 with RowDataPacket

use of com.actiontech.dble.net.mysql.RowDataPacket in project dble by actiontech.

the class JoinHandler method addRowToDeque.

private void addRowToDeque(RowDataPacket row, int columnCount, FairLinkedBlockingDeque<LocalResult> deque, RowDataComparator cmp) throws InterruptedException {
    LocalResult localResult = deque.peekLast();
    if (localResult != null) {
        RowDataPacket lastRow = localResult.getLastRow();
        if (lastRow.getFieldCount() == 0) {
            // eof may added in terminateThread
            return;
        } else if (row.getFieldCount() > 0 && cmp.compare(lastRow, row) == 0) {
            localResult.add(row);
            return;
        } else {
            localResult.done();
        }
    }
    LocalResult newLocalResult = new UnSortedLocalResult(columnCount, pool, this.charset).setMemSizeController(session.getJoinBufferMC());
    newLocalResult.add(row);
    if (row.getFieldCount() == 0)
        newLocalResult.done();
    deque.putLast(newLocalResult);
}