public void readLobResults(
SessionInterface session, DataInputStream inputStream, RowInputBinary in)
throws IOException, HsqlException {
Result currentResult = this;
boolean hasLob = false;
setSession(session);
while (true) {
int addedResultMode = inputStream.readByte();
if (addedResultMode == ResultConstants.LARGE_OBJECT_OP) {
ResultLob resultLob = ResultLob.newLob(inputStream, false);
if (session instanceof Session) {
((Session) session).allocateResultLob(resultLob, inputStream);
} else {
currentResult.addLobResult(resultLob);
}
hasLob = true;
continue;
} else if (addedResultMode == ResultConstants.NONE) {
break;
} else {
throw Error.runtimeError(ErrorCode.U_S0500, "Result");
}
}
if (hasLob) {
((Session) session).registerResultLobs(currentResult);
}
}
public static Result newResult(Session session, int mode, DataInput dataInput, RowInputBinary in)
throws IOException, HsqlException {
try {
if (mode == ResultConstants.LARGE_OBJECT_OP) {
return ResultLob.newLob(dataInput, false);
}
Result result = newResult(session, dataInput, in, mode);
return result;
} catch (IOException e) {
throw Error.error(ErrorCode.X_08000);
}
}
public void write(SessionInterface session, DataOutputStream dataOut, RowOutputInterface rowOut)
throws IOException, HsqlException {
rowOut.reset();
rowOut.writeByte(mode);
int startPos = rowOut.size();
rowOut.writeSize(0);
switch (mode) {
case ResultConstants.GETSESSIONATTR:
rowOut.writeByte(statementReturnType);
break;
case ResultConstants.DISCONNECT:
case ResultConstants.RESETSESSION:
case ResultConstants.STARTTRAN:
break;
case ResultConstants.PREPARE:
rowOut.writeByte(statementReturnType);
rowOut.writeString(mainString);
rowOut.writeByte(rsProperties);
rowOut.writeByte(generateKeys);
if (generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_NAMES
|| generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_INDEXES) {
generatedMetaData.write(rowOut);
}
break;
case ResultConstants.FREESTMT:
rowOut.writeLong(statementID);
break;
case ResultConstants.CLOSE_RESULT:
rowOut.writeLong(id);
break;
case ResultConstants.EXECDIRECT:
rowOut.writeInt(updateCount);
rowOut.writeInt(fetchSize);
rowOut.writeByte(statementReturnType);
rowOut.writeString(mainString);
rowOut.writeByte(rsProperties);
rowOut.writeShort(queryTimeout);
rowOut.writeByte(generateKeys);
if (generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_NAMES
|| generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_INDEXES) {
generatedMetaData.write(rowOut);
}
break;
case ResultConstants.CONNECT:
rowOut.writeString(databaseName);
rowOut.writeString(mainString);
rowOut.writeString(subString);
rowOut.writeString(zoneString);
rowOut.writeInt(updateCount);
break;
case ResultConstants.ERROR:
case ResultConstants.WARNING:
rowOut.writeString(mainString);
rowOut.writeString(subString);
rowOut.writeInt(errorCode);
break;
case ResultConstants.CONNECTACKNOWLEDGE:
rowOut.writeInt(databaseID);
rowOut.writeLong(sessionID);
rowOut.writeString(databaseName);
rowOut.writeString(mainString);
break;
case ResultConstants.UPDATECOUNT:
rowOut.writeInt(updateCount);
break;
case ResultConstants.ENDTRAN:
{
int type = getActionType();
rowOut.writeInt(type); // endtran type
switch (type) {
case ResultConstants.TX_SAVEPOINT_NAME_RELEASE:
case ResultConstants.TX_SAVEPOINT_NAME_ROLLBACK:
rowOut.writeString(mainString); // savepoint name
break;
case ResultConstants.TX_COMMIT:
case ResultConstants.TX_ROLLBACK:
case ResultConstants.TX_COMMIT_AND_CHAIN:
case ResultConstants.TX_ROLLBACK_AND_CHAIN:
case ResultConstants.PREPARECOMMIT:
break;
default:
throw Error.runtimeError(ErrorCode.U_S0500, "Result");
}
break;
}
case ResultConstants.PREPARE_ACK:
rowOut.writeByte(statementReturnType);
rowOut.writeLong(statementID);
rowOut.writeByte(rsProperties);
metaData.write(rowOut);
parameterMetaData.write(rowOut);
break;
case ResultConstants.CALL_RESPONSE:
rowOut.writeInt(updateCount);
rowOut.writeInt(fetchSize);
rowOut.writeLong(statementID);
rowOut.writeByte(statementReturnType);
rowOut.writeByte(rsProperties);
metaData.write(rowOut);
writeSimple(rowOut, metaData, (Object[]) valueData);
break;
case ResultConstants.EXECUTE:
rowOut.writeInt(updateCount);
rowOut.writeInt(fetchSize);
rowOut.writeLong(statementID);
rowOut.writeByte(rsProperties);
rowOut.writeShort(queryTimeout);
writeSimple(rowOut, metaData, (Object[]) valueData);
break;
case ResultConstants.UPDATE_RESULT:
rowOut.writeLong(id);
rowOut.writeInt(getActionType());
metaData.write(rowOut);
writeSimple(rowOut, metaData, (Object[]) valueData);
break;
case ResultConstants.BATCHEXECRESPONSE:
case ResultConstants.BATCHEXECUTE:
case ResultConstants.BATCHEXECDIRECT:
case ResultConstants.SETSESSIONATTR:
{
rowOut.writeInt(updateCount);
rowOut.writeInt(fetchSize);
rowOut.writeLong(statementID);
rowOut.writeShort(queryTimeout);
metaData.write(rowOut);
navigator.writeSimple(rowOut, metaData);
break;
}
case ResultConstants.PARAM_METADATA:
{
metaData.write(rowOut);
navigator.write(rowOut, metaData);
break;
}
case ResultConstants.SETCONNECTATTR:
{
int type = getConnectionAttrType();
rowOut.writeInt(type); // attr type / updateCount
switch (type) {
case ResultConstants.SQL_ATTR_SAVEPOINT_NAME:
rowOut.writeString(mainString); // savepoint name
break;
// case ResultConstants.SQL_ATTR_AUTO_IPD // always true
// default: // throw, but case never happens
default:
throw Error.runtimeError(ErrorCode.U_S0500, "Result");
}
break;
}
case ResultConstants.REQUESTDATA:
{
rowOut.writeLong(id);
rowOut.writeInt(updateCount);
rowOut.writeInt(fetchSize);
break;
}
case ResultConstants.DATAROWS:
metaData.write(rowOut);
navigator.write(rowOut, metaData);
break;
case ResultConstants.DATAHEAD:
case ResultConstants.DATA:
case ResultConstants.GENERATED:
rowOut.writeLong(id);
rowOut.writeInt(updateCount);
rowOut.writeInt(fetchSize);
rowOut.writeByte(rsProperties);
metaData.write(rowOut);
navigator.write(rowOut, metaData);
break;
default:
throw Error.runtimeError(ErrorCode.U_S0500, "Result");
}
rowOut.writeIntData(rowOut.size() - startPos, startPos);
dataOut.write(rowOut.getOutputStream().getBuffer(), 0, rowOut.size());
int count = getLobCount();
Result current = this;
for (int i = 0; i < count; i++) {
ResultLob lob = current.lobResults;
lob.writeBody(session, dataOut);
current = current.lobResults;
}
if (chainedResult == null) {
dataOut.writeByte(ResultConstants.NONE);
} else {
chainedResult.write(session, dataOut, rowOut);
}
dataOut.flush();
}