public static ResultMetaData newSimpleResultMetaData(Type[] types) { ResultMetaData md = new ResultMetaData(SIMPLE_RESULT_METADATA); md.columnTypes = types; md.columnCount = types.length; md.extendedColumnCount = types.length; return md; }
public static ResultMetaData newGeneratedColumnsMetaData( int[] columnIndexes, String[] columnNames) { if (columnIndexes != null) { ResultMetaData md = new ResultMetaData(GENERATED_INDEX_METADATA); md.columnCount = columnIndexes.length; md.extendedColumnCount = columnIndexes.length; md.colIndexes = new int[columnIndexes.length]; for (int i = 0; i < columnIndexes.length; i++) { md.colIndexes[i] = columnIndexes[i] - 1; } return md; } else if (columnNames != null) { ResultMetaData md = new ResultMetaData(GENERATED_NAME_METADATA); md.columnLabels = new String[columnNames.length]; md.columnCount = columnNames.length; md.extendedColumnCount = columnNames.length; md.columnLabels = columnNames; return md; } else { return null; } }
public static ResultMetaData newUpdateResultMetaData(Type[] types) { ResultMetaData md = new ResultMetaData(UPDATE_RESULT_METADATA); md.columnTypes = new Type[types.length]; md.columnCount = types.length; md.extendedColumnCount = types.length; ArrayUtil.copyArray(types, md.columnTypes, types.length); return md; }
public Object[] getSingleRowData() { Object[] data = (Object[]) initialiseNavigator().getNext(); data = (Object[]) ArrayUtil.resizeArrayIfDifferent(data, metaData.getColumnCount()); return data; }
static { SqlInvariants.isSystemSchemaName(SqlInvariants.SYSTEM_SCHEMA); Charset.getDefaultInstance(); Collation.getDefaultInstance(); sessionAttributesMetaData = ResultMetaData.newResultMetaData(SessionInterface.INFO_LIMIT); for (int i = 0; i < Session.INFO_LIMIT; i++) { sessionAttributesMetaData.columns[i] = new ColumnBase(null, null, null, null); } sessionAttributesMetaData.columns[Session.INFO_ID].setType(Type.SQL_INTEGER); sessionAttributesMetaData.columns[Session.INFO_INTEGER].setType(Type.SQL_INTEGER); sessionAttributesMetaData.columns[Session.INFO_BOOLEAN].setType(Type.SQL_BOOLEAN); sessionAttributesMetaData.columns[Session.INFO_VARCHAR].setType(Type.SQL_VARCHAR); sessionAttributesMetaData.prepareData(); }
public static Result newSingleColumnResult(String colName) { Result result = newResult(ResultConstants.DATA); result.metaData = ResultMetaData.newSingleColumnMetaData(colName); result.navigator = new RowSetNavigatorClient(8); return result; }
void setParameterMetaData() { int offset; int idx; boolean hasReturnValue; offset = 0; if (parameters.length == 0) { parameterMetaData = ResultMetaData.emptyParamMetaData; return; } // NO: Not yet // hasReturnValue = (type == CALL && !expression.isProcedureCall()); // // if (hasReturnValue) { // outlen++; // offset = 1; // } parameterMetaData = ResultMetaData.newParameterMetaData(parameters.length); // NO: Not yet // if (hasReturnValue) { // e = expression; // out.sName[0] = DIProcedureInfo.RETURN_COLUMN_NAME; // out.sClassName[0] = e.getValueClassName(); // out.colType[0] = e.getDataType(); // out.colSize[0] = e.getColumnSize(); // out.colScale[0] = e.getColumnScale(); // out.nullability[0] = e.nullability; // out.isIdentity[0] = false; // out.paramMode[0] = expression.PARAM_OUT; // } for (int i = 0; i < parameters.length; i++) { idx = i + offset; // always i + 1. We currently use the convention of @p0 to name the // return value OUT parameter parameterMetaData.columnLabels[idx] = StatementDMQL.PCOL_PREFIX + (i + 1); parameterMetaData.columnTypes[idx] = parameters[i].dataType; byte parameterMode = SchemaObject.ParameterModes.PARAM_IN; if (parameters[i].column != null && parameters[i].column.getParameterMode() != SchemaObject.ParameterModes.PARAM_UNKNOWN) { parameterMode = parameters[i].column.getParameterMode(); } parameterMetaData.paramModes[idx] = parameterMode; parameterMetaData.paramNullable[idx] = parameters[i].column == null ? SchemaObject.Nullability.NULLABLE : parameters[i].column.getNullability(); } }
/** For BATCHEXECDIRECT */ public static Result newBatchedExecuteRequest() { Type[] types = new Type[] {Type.SQL_VARCHAR}; Result result = newResult(ResultConstants.BATCHEXECDIRECT); result.metaData = ResultMetaData.newSimpleResultMetaData(types); return result; }
/** For UPDATE_RESULT The parameters are set afterwards as the Result is reused */ public static Result newUpdateResultRequest(Type[] types, long id) { Result result = newResult(ResultConstants.UPDATE_RESULT); result.metaData = ResultMetaData.newUpdateResultMetaData(types); result.id = id; result.valueData = new Object[] {}; return result; }
/** For CALL_RESPONSE For execution of SQL callable statements. */ public static Result newCallResponse(Type[] types, long statementId, Object[] values) { Result result = newResult(ResultConstants.CALL_RESPONSE); result.metaData = ResultMetaData.newSimpleResultMetaData(types); result.statementID = statementId; result.valueData = values; return result; }
/** * For SQLEXECUTE For execution of SQL prepared statements. The parameters are set afterwards as * the Result is reused */ public static Result newPreparedExecuteRequest(Type[] types, long statementId) { Result result = newResult(ResultConstants.EXECUTE); result.metaData = ResultMetaData.newSimpleResultMetaData(types); result.statementID = statementId; result.valueData = ValuePool.emptyObjectArray; return result; }
/** * Creates a new instance of JDBCParameterMetaData. * * <p> * * @param metaData A ResultMetaData object describing the statement parameters * @throws SQLException never - reserved for future use */ JDBCParameterMetaData(JDBCConnection conn, ResultMetaData metaData) throws SQLException { rmd = metaData; parameterCount = rmd.getColumnCount(); if (conn.clientProperties != null) { translateTTIType = conn.clientProperties.isPropertyTrue(HsqlDatabaseProperties.jdbc_translate_tti_types); } }
public static ResultMetaData newParameterMetaData(int colCount) { ResultMetaData md = new ResultMetaData(PARAM_METADATA); md.columnTypes = new Type[colCount]; md.columnLabels = new String[colCount]; md.paramModes = new byte[colCount]; md.paramNullable = new byte[colCount]; md.columnCount = colCount; md.extendedColumnCount = colCount; return md; }
// reading and writing public void write(RowOutputInterface out, ResultMetaData meta) throws IOException { beforeFirst(); out.writeLong(id); out.writeInt(size); out.writeInt(0); // offset out.writeInt(size); while (hasNext()) { Object[] data = getNext(); out.writeData(meta.getColumnCount(), meta.columnTypes, data, null, null); } beforeFirst(); }
public static ResultMetaData newResultMetaData( Type[] types, int[] baseColumnIndexes, int colCount, int extColCount) { ResultMetaData md = new ResultMetaData(RESULT_METADATA); md.columnLabels = new String[colCount]; md.columns = new ColumnBase[colCount]; md.columnTypes = types; md.colIndexes = baseColumnIndexes; md.columnCount = colCount; md.extendedColumnCount = extColCount; return md; }
/** For both EXECDIRECT and PREPARE */ public void setPrepareOrExecuteProperties( String sql, int maxRows, int fetchSize, int statementReturnType, int timeout, int resultSetProperties, int keyMode, int[] generatedIndexes, String[] generatedNames) { mainString = sql; updateCount = maxRows; this.fetchSize = fetchSize; this.statementReturnType = statementReturnType; queryTimeout = timeout; rsProperties = resultSetProperties; generateKeys = keyMode; generatedMetaData = ResultMetaData.newGeneratedColumnsMetaData(generatedIndexes, generatedNames); }
/** For BATCHEXERESPONSE for a BATCHEXECUTE or BATCHEXECDIRECT */ public static Result newBatchedExecuteResponse( int[] updateCounts, Result generatedResult, Result e) { Result result = newResult(ResultConstants.BATCHEXECRESPONSE); result.addChainedResult(generatedResult); result.addChainedResult(e); Type[] types = new Type[] {Type.SQL_INTEGER}; result.metaData = ResultMetaData.newSimpleResultMetaData(types); Object[][] table = new Object[updateCounts.length][]; for (int i = 0; i < updateCounts.length; i++) { table[i] = new Object[] {ValuePool.getInt(updateCounts[i])}; } ((RowSetNavigatorClient) result.navigator).setData(table); return result; }
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(); }
private Result newColumnResult(long position, int count) throws SQLException { int mArraySize = 0; String mArrayStruct = data.getTypeStructure(); ArrayList<Integer> dimSize = getDimSize(mArrayStruct); ArrayList<Integer> iterIndex = new ArrayList<>(); // go through all the array values for (int i = 0; i < dimSize.size(); i++) { mArraySize += dimSize.get(i); } // tests if the required elements exist. The limits are determined // by computing the product of each dimension's size if (!JDBCClobClient.isInLimits(mArraySize, position, count)) { throw JDBCUtil.outOfRangeArgument(); } Type[] types = new Type[2]; types[0] = Type.SQL_VARCHAR; types[1] = elementType; ResultMetaData meta = ResultMetaData.newSimpleResultMetaData(types); meta.columnLabels = new String[] {"C1", "C2"}; meta.colIndexes = new int[] {-1, -1}; meta.columns = new ColumnBase[2]; ColumnBase column = new ColumnBase("", "", "", ""); column.setType(types[0]); meta.columns[0] = column; column = new ColumnBase("", "", "", ""); column.setType(types[1]); meta.columns[1] = column; RowSetNavigatorClient navigator = new RowSetNavigatorClient(); for (int i = (int) position; i < position + count; i++) { Object[] rowData = new Object[2]; rowData[0] = Integer.valueOf(i + 1); try { rowData[1] = data.getCell(new RasPoint(1, 1)); } catch (RasDimensionMismatchException | RasIndexOutOfBoundsException e) { System.err.println("Can't get the cell at point (1, 1)"); e.printStackTrace(); } navigator.add(rowData); } Result result = Result.newDataResult(meta); result.setNavigator(navigator); return result; }
private static void writeSimple(RowOutputInterface out, ResultMetaData meta, Object[] data) throws IOException { out.writeInt(1); out.writeData(meta.getColumnCount(), meta.columnTypes, data, null, null); }
/** * Creates a new instance of JDBCParameterMetaData. * * <p> * * @param metaData A ResultMetaData object describing the statement parameters * @throws SQLException never - reserved for future use */ JDBCParameterMetaData(ResultMetaData metaData) throws SQLException { rmd = metaData; parameterCount = rmd.getColumnCount(); }
/** * The primary unit of communication between Connection, Server and Session objects. * * <p>An HSQLDB Result object encapsulates all requests (such as to alter or query session settings, * to allocate and execute statements, etc.) and all responses (such as exception indications, * update counts, result sets and result set metadata). It also implements the HSQL wire protocol * for comunicating all such requests and responses across the network. Uses a navigator for data. * * @author Campbell Boucher-Burnet (boucherb@users dot sourceforge.net) * @author Fred Toussi (fredt@users dot sourceforge.net) * @version 2.3.2 * @since 1.9.0 */ public class Result { public static final ResultMetaData sessionAttributesMetaData; static { SqlInvariants.isSystemSchemaName(SqlInvariants.SYSTEM_SCHEMA); Charset.getDefaultInstance(); Collation.getDefaultInstance(); sessionAttributesMetaData = ResultMetaData.newResultMetaData(SessionInterface.INFO_LIMIT); for (int i = 0; i < Session.INFO_LIMIT; i++) { sessionAttributesMetaData.columns[i] = new ColumnBase(null, null, null, null); } sessionAttributesMetaData.columns[Session.INFO_ID].setType(Type.SQL_INTEGER); sessionAttributesMetaData.columns[Session.INFO_INTEGER].setType(Type.SQL_INTEGER); sessionAttributesMetaData.columns[Session.INFO_BOOLEAN].setType(Type.SQL_BOOLEAN); sessionAttributesMetaData.columns[Session.INFO_VARCHAR].setType(Type.SQL_VARCHAR); sessionAttributesMetaData.prepareData(); } private static final ResultMetaData emptyMeta = ResultMetaData.newResultMetaData(0); public static final Result emptyGeneratedResult = Result.newDataResult(emptyMeta); public static final Result updateZeroResult = newUpdateCountResult(0); public static final Result updateOneResult = newUpdateCountResult(1); // type of result public byte mode; // database ID int databaseID; // session ID long sessionID; // result id private long id; // database name for new connection private String databaseName; // user / password for new connection // error strings in error results private String mainString; private String subString; private String zoneString; // vendor error code int errorCode; // the exception if this is an error private HsqlException exception; // prepared statement id long statementID; // statement type based on whether it returns an update count or a result set // type of session info requested int statementReturnType; // max rows (out) // update count (in) // fetch part result count (in) // time zone seconds (connect) public int updateCount; // fetch size (in) private int fetchSize; // secondary result private Result chainedResult; // private int lobCount; ResultLob lobResults; /** A Result object's metadata */ public ResultMetaData metaData; /** Additional meta data for parameters used in PREPARE_ACK results */ public ResultMetaData parameterMetaData; /** Additional meta data for required generated columns */ public ResultMetaData generatedMetaData; // public int rsProperties; // public int queryTimeout; // int generateKeys; // simple value for PSM, or parameter array public Object valueData; // public Statement statement; Result(int mode) { this.mode = (byte) mode; } public Result(int mode, int count) { this.mode = (byte) mode; updateCount = count; } public static Result newResult(RowSetNavigator nav) { Result result = new Result(ResultConstants.DATA); result.navigator = nav; return result; } public static Result newResult(int type) { RowSetNavigator navigator = null; Result result = null; switch (type) { case ResultConstants.CALL_RESPONSE: case ResultConstants.EXECUTE: case ResultConstants.UPDATE_RESULT: break; case ResultConstants.BATCHEXECUTE: case ResultConstants.BATCHEXECDIRECT: navigator = new RowSetNavigatorClient(4); break; case ResultConstants.SETSESSIONATTR: case ResultConstants.PARAM_METADATA: navigator = new RowSetNavigatorClient(1); break; case ResultConstants.BATCHEXECRESPONSE: navigator = new RowSetNavigatorClient(4); break; case ResultConstants.DATA: case ResultConstants.DATAHEAD: case ResultConstants.DATAROWS: case ResultConstants.GENERATED: break; case ResultConstants.LARGE_OBJECT_OP: throw Error.runtimeError(ErrorCode.U_S0500, "Result"); default: } result = new Result(type); result.navigator = navigator; return result; } public static Result newResult(DataInput dataInput, RowInputBinary in) throws IOException, HsqlException { return newResult(null, dataInput.readByte(), dataInput, in); } 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 readAdditionalResults( SessionInterface session, DataInputStream inputStream, RowInputBinary in) throws IOException, HsqlException { Result currentResult = this; setSession(session); while (true) { int addedResultMode = inputStream.readByte(); if (addedResultMode == ResultConstants.NONE) { return; } currentResult = newResult(null, inputStream, in, addedResultMode); addChainedResult(currentResult); } } 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); } } private static Result newResult(Session session, DataInput dataInput, RowInputBinary in, int mode) throws IOException, HsqlException { Result result = newResult(mode); int length = dataInput.readInt(); in.resetRow(0, length); byte[] byteArray = in.getBuffer(); final int offset = 4; dataInput.readFully(byteArray, offset, length - offset); switch (mode) { case ResultConstants.GETSESSIONATTR: result.statementReturnType = in.readByte(); break; case ResultConstants.DISCONNECT: case ResultConstants.RESETSESSION: case ResultConstants.STARTTRAN: break; case ResultConstants.PREPARE: result.setStatementType(in.readByte()); result.mainString = in.readString(); result.rsProperties = in.readByte(); result.generateKeys = in.readByte(); if (result.generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_NAMES || result.generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_INDEXES) { result.generatedMetaData = new ResultMetaData(in); } break; case ResultConstants.CLOSE_RESULT: result.id = in.readLong(); break; case ResultConstants.FREESTMT: result.statementID = in.readLong(); break; case ResultConstants.EXECDIRECT: result.updateCount = in.readInt(); result.fetchSize = in.readInt(); result.statementReturnType = in.readByte(); result.mainString = in.readString(); result.rsProperties = in.readByte(); result.queryTimeout = in.readShort(); result.generateKeys = in.readByte(); if (result.generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_NAMES || result.generateKeys == ResultConstants.RETURN_GENERATED_KEYS_COL_INDEXES) { result.generatedMetaData = new ResultMetaData(in); } break; case ResultConstants.CONNECT: result.databaseName = in.readString(); result.mainString = in.readString(); result.subString = in.readString(); result.zoneString = in.readString(); result.updateCount = in.readInt(); break; case ResultConstants.ERROR: case ResultConstants.WARNING: result.mainString = in.readString(); result.subString = in.readString(); result.errorCode = in.readInt(); break; case ResultConstants.CONNECTACKNOWLEDGE: result.databaseID = in.readInt(); result.sessionID = in.readLong(); result.databaseName = in.readString(); result.mainString = in.readString(); break; case ResultConstants.UPDATECOUNT: result.updateCount = in.readInt(); break; case ResultConstants.ENDTRAN: { int type = in.readInt(); result.setActionType(type); // endtran type switch (type) { case ResultConstants.TX_SAVEPOINT_NAME_RELEASE: case ResultConstants.TX_SAVEPOINT_NAME_ROLLBACK: result.mainString = in.readString(); // 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.SETCONNECTATTR: { int type = in.readInt(); // attr type result.setConnectionAttrType(type); switch (type) { case ResultConstants.SQL_ATTR_SAVEPOINT_NAME: result.mainString = in.readString(); // savepoint name break; // case ResultConstants.SQL_ATTR_AUTO_IPD : // - always true // default: throw - case never happens default: throw Error.runtimeError(ErrorCode.U_S0500, "Result"); } break; } case ResultConstants.PREPARE_ACK: result.statementReturnType = in.readByte(); result.statementID = in.readLong(); result.rsProperties = in.readByte(); result.metaData = new ResultMetaData(in); result.parameterMetaData = new ResultMetaData(in); break; case ResultConstants.CALL_RESPONSE: result.updateCount = in.readInt(); result.fetchSize = in.readInt(); result.statementID = in.readLong(); result.statementReturnType = in.readByte(); result.rsProperties = in.readByte(); result.metaData = new ResultMetaData(in); result.valueData = readSimple(in, result.metaData); break; case ResultConstants.EXECUTE: result.updateCount = in.readInt(); result.fetchSize = in.readInt(); result.statementID = in.readLong(); result.rsProperties = in.readByte(); result.queryTimeout = in.readShort(); Statement statement = session.statementManager.getStatement(session, result.statementID); if (statement == null) { // invalid statement result.mode = ResultConstants.EXECUTE_INVALID; result.valueData = ValuePool.emptyObjectArray; break; } result.statement = statement; result.metaData = result.statement.getParametersMetaData(); result.valueData = readSimple(in, result.metaData); break; case ResultConstants.UPDATE_RESULT: { result.id = in.readLong(); int type = in.readInt(); result.setActionType(type); result.metaData = new ResultMetaData(in); result.valueData = readSimple(in, result.metaData); break; } case ResultConstants.BATCHEXECRESPONSE: case ResultConstants.BATCHEXECUTE: case ResultConstants.BATCHEXECDIRECT: case ResultConstants.SETSESSIONATTR: { result.updateCount = in.readInt(); result.fetchSize = in.readInt(); result.statementID = in.readLong(); result.queryTimeout = in.readShort(); result.metaData = new ResultMetaData(in); result.navigator.readSimple(in, result.metaData); break; } case ResultConstants.PARAM_METADATA: { result.metaData = new ResultMetaData(in); result.navigator.read(in, result.metaData); break; } case ResultConstants.REQUESTDATA: { result.id = in.readLong(); result.updateCount = in.readInt(); result.fetchSize = in.readInt(); break; } case ResultConstants.DATAHEAD: case ResultConstants.DATA: case ResultConstants.GENERATED: { result.id = in.readLong(); result.updateCount = in.readInt(); result.fetchSize = in.readInt(); result.rsProperties = in.readByte(); result.metaData = new ResultMetaData(in); result.navigator = new RowSetNavigatorClient(); result.navigator.read(in, result.metaData); break; } case ResultConstants.DATAROWS: { result.metaData = new ResultMetaData(in); result.navigator = new RowSetNavigatorClient(); result.navigator.read(in, result.metaData); break; } default: throw Error.runtimeError(ErrorCode.U_S0500, "Result"); } return result; } /** For interval PSM return values */ public static Result newPSMResult(int type, String label, Object value) { Result result = newResult(ResultConstants.VALUE); result.errorCode = type; result.mainString = label; result.valueData = value; return result; } /** For interval PSM return values */ public static Result newPSMResult(Object value) { Result result = newResult(ResultConstants.VALUE); result.valueData = value; return result; } /** For SQLPREPARE For parparation of SQL parepared statements. */ public static Result newPrepareStatementRequest() { return newResult(ResultConstants.PREPARE); } /** * For SQLEXECUTE For execution of SQL prepared statements. The parameters are set afterwards as * the Result is reused */ public static Result newPreparedExecuteRequest(Type[] types, long statementId) { Result result = newResult(ResultConstants.EXECUTE); result.metaData = ResultMetaData.newSimpleResultMetaData(types); result.statementID = statementId; result.valueData = ValuePool.emptyObjectArray; return result; } /** For CALL_RESPONSE For execution of SQL callable statements. */ public static Result newCallResponse(Type[] types, long statementId, Object[] values) { Result result = newResult(ResultConstants.CALL_RESPONSE); result.metaData = ResultMetaData.newSimpleResultMetaData(types); result.statementID = statementId; result.valueData = values; return result; } /** For UPDATE_RESULT The parameters are set afterwards as the Result is reused */ public static Result newUpdateResultRequest(Type[] types, long id) { Result result = newResult(ResultConstants.UPDATE_RESULT); result.metaData = ResultMetaData.newUpdateResultMetaData(types); result.id = id; result.valueData = new Object[] {}; return result; } /** For UPDATE_RESULT results The parameters are set by this method as the Result is reused */ public void setPreparedResultUpdateProperties(Object[] parameterValues) { valueData = parameterValues; } /** For SQLEXECUTE results The parameters are set by this method as the Result is reused */ public void setPreparedExecuteProperties( Object[] parameterValues, int maxRows, int fetchSize, int resultProps, int timeout) { mode = ResultConstants.EXECUTE; valueData = parameterValues; updateCount = maxRows; this.fetchSize = fetchSize; this.rsProperties = resultProps; queryTimeout = timeout; } /** For BATCHEXECUTE */ public void setBatchedPreparedExecuteRequest() { mode = ResultConstants.BATCHEXECUTE; if (navigator == null) { navigator = new RowSetNavigatorClient(4); } else { navigator.clear(); } updateCount = 0; this.fetchSize = 0; } public void addBatchedPreparedExecuteRequest(Object[] parameterValues) { ((RowSetNavigatorClient) navigator).add(parameterValues); } /** For BATCHEXECDIRECT */ public static Result newBatchedExecuteRequest() { Type[] types = new Type[] {Type.SQL_VARCHAR}; Result result = newResult(ResultConstants.BATCHEXECDIRECT); result.metaData = ResultMetaData.newSimpleResultMetaData(types); return result; } /** For BATCHEXERESPONSE for a BATCHEXECUTE or BATCHEXECDIRECT */ public static Result newBatchedExecuteResponse( int[] updateCounts, Result generatedResult, Result e) { Result result = newResult(ResultConstants.BATCHEXECRESPONSE); result.addChainedResult(generatedResult); result.addChainedResult(e); Type[] types = new Type[] {Type.SQL_INTEGER}; result.metaData = ResultMetaData.newSimpleResultMetaData(types); Object[][] table = new Object[updateCounts.length][]; for (int i = 0; i < updateCounts.length; i++) { table[i] = new Object[] {ValuePool.getInt(updateCounts[i])}; } ((RowSetNavigatorClient) result.navigator).setData(table); return result; } public static Result newResetSessionRequest() { Result result = newResult(ResultConstants.RESETSESSION); return result; } public static Result newConnectionAttemptRequest( String user, String password, String database, String zoneString, int timeZoneSeconds) { Result result = newResult(ResultConstants.CONNECT); result.mainString = user; result.subString = password; result.zoneString = zoneString; result.databaseName = database; result.updateCount = timeZoneSeconds; return result; } public static Result newConnectionAcknowledgeResponse( Database database, long sessionID, int databaseID) { Result result = newResult(ResultConstants.CONNECTACKNOWLEDGE); result.sessionID = sessionID; result.databaseID = databaseID; result.databaseName = database.getUniqueName(); result.mainString = database.getProperties().getClientPropertiesAsString(); return result; } public static Result newUpdateZeroResult() { return new Result(ResultConstants.UPDATECOUNT, 0); } public static Result newUpdateCountResult(int count) { return new Result(ResultConstants.UPDATECOUNT, count); } public static Result newUpdateCountResult(ResultMetaData meta, int count) { Result result = newResult(ResultConstants.UPDATECOUNT); Result dataResult = newGeneratedDataResult(meta); result.updateCount = count; result.addChainedResult(dataResult); return result; } public static Result newSingleColumnResult(ResultMetaData meta) { Result result = newResult(ResultConstants.DATA); result.metaData = meta; result.navigator = new RowSetNavigatorClient(); return result; } public static Result newSingleColumnResult(String colName) { Result result = newResult(ResultConstants.DATA); result.metaData = ResultMetaData.newSingleColumnMetaData(colName); result.navigator = new RowSetNavigatorClient(8); return result; } public static Result newSingleColumnStringResult(String colName, String contents) { Result result = Result.newSingleColumnResult(colName); LineNumberReader lnr = new LineNumberReader(new StringReader(contents)); while (true) { String line = null; try { line = lnr.readLine(); } catch (Exception e) { } if (line == null) { break; } result.getNavigator().add(new Object[] {line}); } return result; } public static Result newPrepareResponse(Statement statement) { Result r = newResult(ResultConstants.PREPARE_ACK); r.statement = statement; r.statementID = statement.getID(); int csType = statement.getType(); r.statementReturnType = statement.getStatementReturnType(); r.metaData = statement.getResultMetaData(); r.parameterMetaData = statement.getParametersMetaData(); return r; } public static Result newFreeStmtRequest(long statementID) { Result r = newResult(ResultConstants.FREESTMT); r.statementID = statementID; return r; } /** * For direct execution of SQL statements. The statement and other parameters are set afterwards * as the Result is reused */ public static Result newExecuteDirectRequest() { return newResult(ResultConstants.EXECDIRECT); } /** For both EXECDIRECT and PREPARE */ public void setPrepareOrExecuteProperties( String sql, int maxRows, int fetchSize, int statementReturnType, int timeout, int resultSetProperties, int keyMode, int[] generatedIndexes, String[] generatedNames) { mainString = sql; updateCount = maxRows; this.fetchSize = fetchSize; this.statementReturnType = statementReturnType; queryTimeout = timeout; rsProperties = resultSetProperties; generateKeys = keyMode; generatedMetaData = ResultMetaData.newGeneratedColumnsMetaData(generatedIndexes, generatedNames); } public static Result newSetSavepointRequest(String name) { Result result; result = newResult(ResultConstants.SETCONNECTATTR); result.setConnectionAttrType(ResultConstants.SQL_ATTR_SAVEPOINT_NAME); result.setMainString(name); return result; } public static Result newRequestDataResult(long id, int offset, int count) { Result result = newResult(ResultConstants.REQUESTDATA); result.id = id; result.updateCount = offset; result.fetchSize = count; return result; } public static Result newDataResult(ResultMetaData md) { Result result = newResult(ResultConstants.DATA); result.navigator = new RowSetNavigatorClient(); result.metaData = md; return result; } public static Result newGeneratedDataResult(ResultMetaData md) { Result result = newResult(ResultConstants.GENERATED); result.navigator = new RowSetNavigatorClient(); result.metaData = md; return result; } /** initially, only used for updatability */ public int getExecuteProperties() { return rsProperties; } public static Result newDataHeadResult( SessionInterface session, Result source, int offset, int count) { if (offset + count > source.navigator.getSize()) { count = source.navigator.getSize() - offset; } Result result = newResult(ResultConstants.DATAHEAD); result.metaData = source.metaData; result.navigator = new RowSetNavigatorClient(source.navigator, offset, count); result.navigator.setId(source.navigator.getId()); result.setSession(session); result.rsProperties = source.rsProperties; result.fetchSize = source.fetchSize; return result; } public static Result newDataRowsResult(Result source, int offset, int count) { if (offset + count > source.navigator.getSize()) { count = source.navigator.getSize() - offset; } Result result = newResult(ResultConstants.DATAROWS); result.id = source.id; result.metaData = source.metaData; result.navigator = new RowSetNavigatorClient(source.navigator, offset, count); return result; } public static Result newDataRowsResult(RowSetNavigator navigator) { Result result = newResult(ResultConstants.DATAROWS); result.navigator = navigator; return result; } /** Result structure used for set/get session attributes */ public static Result newSessionAttributesResult() { Result result = newResult(ResultConstants.DATA); result.navigator = new RowSetNavigatorClient(1); result.metaData = sessionAttributesMetaData; result.navigator.add(new Object[SessionInterface.INFO_LIMIT]); return result; } public static Result newWarningResult(HsqlException w) { Result result = newResult(ResultConstants.WARNING); result.mainString = w.getMessage(); result.subString = w.getSQLState(); result.errorCode = w.getErrorCode(); return result; } public static Result newErrorResult(Throwable t) { return newErrorResult(t, null); } /** @todo 1.9.0 fredt - move the messages to Error.java */ public static Result newErrorResult(Throwable t, String statement) { Result result = newResult(ResultConstants.ERROR); if (t instanceof HsqlException) { result.exception = (HsqlException) t; result.mainString = result.exception.getMessage(); result.subString = result.exception.getSQLState(); if (statement != null) { result.mainString += " in statement [" + statement + "]"; } result.errorCode = result.exception.getErrorCode(); } else if (t instanceof OutOfMemoryError) { // gc() at this point may clear the memory allocated so far /** @todo 1.9.0 - review if it's better to gc higher up the stack */ System.gc(); result.exception = Error.error(ErrorCode.OUT_OF_MEMORY, t); result.mainString = result.exception.getMessage(); result.subString = result.exception.getSQLState(); result.errorCode = result.exception.getErrorCode(); } else { result.exception = Error.error(ErrorCode.GENERAL_ERROR, t); result.mainString = result.exception.getMessage() + " " + t.toString(); result.subString = result.exception.getSQLState(); result.errorCode = result.exception.getErrorCode(); if (statement != null) { result.mainString += " in statement [" + statement + "]"; } } return result; } 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(); } public int getType() { return mode; } public boolean isData() { return mode == ResultConstants.DATA || mode == ResultConstants.DATAHEAD; } public boolean isError() { return mode == ResultConstants.ERROR; } public boolean isWarning() { return mode == ResultConstants.WARNING; } public boolean isUpdateCount() { return mode == ResultConstants.UPDATECOUNT; } public boolean isSimpleValue() { return mode == ResultConstants.VALUE; } public boolean hasGeneratedKeys() { return mode == ResultConstants.UPDATECOUNT && chainedResult != null; } public HsqlException getException() { return exception; } public long getStatementID() { return statementID; } public void setStatementID(long statementId) { this.statementID = statementId; } public String getMainString() { return mainString; } public void setMainString(String sql) { this.mainString = sql; } public String getSubString() { return subString; } public String getZoneString() { return zoneString; } public int getErrorCode() { return errorCode; } public Object getValueObject() { return valueData; } public void setValueObject(Object value) { valueData = value; } public Statement getStatement() { return statement; } public void setStatement(Statement statement) { this.statement = statement; } public String getDatabaseName() { return databaseName; } public void setMaxRows(int count) { updateCount = count; } public int getFetchSize() { return this.fetchSize; } public void setFetchSize(int count) { fetchSize = count; } public int getUpdateCount() { return updateCount; } public int getConnectionAttrType() { return updateCount; } public void setConnectionAttrType(int type) { updateCount = type; } public int getActionType() { return updateCount; } public void setActionType(int type) { updateCount = type; } public long getSessionId() { return sessionID; } public void setSessionId(long id) { sessionID = id; } public void setSession(SessionInterface session) { if (navigator != null) { navigator.setSession(session); } } public int getDatabaseId() { return databaseID; } public void setDatabaseId(int id) { databaseID = id; } public long getResultId() { return id; } public void setResultId(long id) { this.id = id; if (navigator != null) { navigator.setId(id); } } public void setUpdateCount(int count) { updateCount = count; } public void setAsTransactionEndRequest(int subType, String savepoint) { mode = ResultConstants.ENDTRAN; updateCount = subType; mainString = savepoint == null ? "" : savepoint; } public Object[] getSingleRowData() { Object[] data = (Object[]) initialiseNavigator().getNext(); data = (Object[]) ArrayUtil.resizeArrayIfDifferent(data, metaData.getColumnCount()); return data; } public Object[] getParameterData() { return (Object[]) valueData; } public Object[] getSessionAttributes() { return (Object[]) initialiseNavigator().getNext(); } public void setResultType(int type) { mode = (byte) type; } public void setStatementType(int type) { statementReturnType = type; } public int getStatementType() { return statementReturnType; } public int getGeneratedResultType() { return generateKeys; } public ResultMetaData getGeneratedResultMetaData() { return generatedMetaData; } public Result getChainedResult() { return chainedResult; } public Result getUnlinkChainedResult() { Result result = chainedResult; chainedResult = null; return result; } public void addChainedResult(Result result) { Result current = this; while (current.chainedResult != null) { current = current.chainedResult; } current.chainedResult = result; } public void addWarnings(HsqlException[] warnings) { for (int i = 0; i < warnings.length; i++) { Result warning = newWarningResult(warnings[i]); addChainedResult(warning); } } public int getLobCount() { return lobCount; } public ResultLob getLOBResult() { return lobResults; } public void addLobResult(ResultLob result) { Result current = this; while (current.lobResults != null) { current = current.lobResults; } current.lobResults = result; lobCount++; } public void clearLobResults() { lobResults = null; lobCount = 0; } private static Object[] readSimple(RowInputBinary in, ResultMetaData meta) throws IOException { int size = in.readInt(); return in.readData(meta.columnTypes); } private static void writeSimple(RowOutputInterface out, ResultMetaData meta, Object[] data) throws IOException { out.writeInt(1); out.writeData(meta.getColumnCount(), meta.columnTypes, data, null, null); } // ----------- Navigation public RowSetNavigator navigator; public RowSetNavigator getNavigator() { return navigator; } public void setNavigator(RowSetNavigator navigator) { this.navigator = navigator; } public RowSetNavigator initialiseNavigator() { switch (mode) { case ResultConstants.BATCHEXECUTE: case ResultConstants.BATCHEXECDIRECT: case ResultConstants.BATCHEXECRESPONSE: case ResultConstants.SETSESSIONATTR: case ResultConstants.PARAM_METADATA: navigator.beforeFirst(); return navigator; case ResultConstants.DATA: case ResultConstants.DATAHEAD: case ResultConstants.GENERATED: navigator.reset(); return navigator; default: throw Error.runtimeError(ErrorCode.U_S0500, "Result"); } } }