Examples with RegisterRequestParameter org.teiid.query.processor.RegisterRequestParameter used on opensource projects

Example 6 with RegisterRequestParameter

use of org.teiid.query.processor.RegisterRequestParameter in project teiid by teiid.

the class TestJoinNode method testDupRemoveUnderJoin.

@Test
public void testDupRemoveUnderJoin() throws Exception {
    // $NON-NLS-1$
    String sql = "select a.e1, b.e2 from pm1.g1 as a, (select distinct e1, e2 from pm2.g2) as b";
    ProcessorPlan plan = TestProcessor.helpGetPlan(sql, RealMetadataFactory.example1Cached());
    HardcodedDataManager hdm = new HardcodedDataManager() {

        public TupleSource registerRequest(CommandContext context, Command command, String modelName, RegisterRequestParameter parameterObject) throws TeiidComponentException {
            final TupleSource source = super.registerRequest(context, command, modelName, parameterObject);
            return new TupleSource() {

                private int block;

                @Override
                public List<?> nextTuple() throws TeiidComponentException, TeiidProcessingException {
                    if (block++ % 2 == 0) {
                        throw BlockedException.INSTANCE;
                    }
                    return source.nextTuple();
                }

                @Override
                public void closeSource() {
                    source.closeSource();
                }
            };
        }
    };
    List<?>[] rows = new List<?>[1];
    for (int i = 0; i < rows.length; i++) {
        rows[i] = Arrays.asList(String.valueOf(i));
    }
    hdm.addData("SELECT pm1.g1.e1 FROM pm1.g1", rows);
    rows = new List<?>[1025];
    for (int i = 0; i < rows.length; i++) {
        rows[i] = Arrays.asList(String.valueOf(i), i);
    }
    hdm.addData("SELECT pm2.g2.e1, pm2.g2.e2 FROM pm2.g2", rows);
    BufferManagerImpl mgr = BufferManagerFactory.getTestBufferManager(1, 2);
    mgr.setTargetBytesPerRow(100);
    // $NON-NLS-1$ //$NON-NLS-2$
    CommandContext context = new CommandContext("pid", "test", null, null, 1);
    List<?>[] results = new List<?>[1025];
    for (int i = 0; i < results.length; i++) {
        results[i] = Arrays.asList("0", i);
    }
    TestProcessor.helpProcess(plan, context, hdm, results);
}

Example 7 with RegisterRequestParameter

use of org.teiid.query.processor.RegisterRequestParameter in project teiid by teiid.

the class TestJoinNode method testPrefetchDistinct.

@Test
public void testPrefetchDistinct() throws Exception {
    // $NON-NLS-1$
    String sql = "select a.e1, b.e2 from pm1.g1 as a, (select e1, e2 from pm2.g2 union select e1, e2 from pm2.g2) as b";
    ProcessorPlan plan = TestProcessor.helpGetPlan(sql, RealMetadataFactory.example1Cached());
    HardcodedDataManager hdm = new HardcodedDataManager() {

        public TupleSource registerRequest(CommandContext context, Command command, String modelName, RegisterRequestParameter parameterObject) throws TeiidComponentException {
            final TupleSource source = super.registerRequest(context, command, modelName, parameterObject);
            return new TupleSource() {

                private int block;

                @Override
                public List<?> nextTuple() throws TeiidComponentException, TeiidProcessingException {
                    if (block++ % 2 == 0) {
                        throw BlockedException.INSTANCE;
                    }
                    return source.nextTuple();
                }

                @Override
                public void closeSource() {
                    source.closeSource();
                }
            };
        }
    };
    List<?>[] rows = new List<?>[2];
    for (int i = 0; i < rows.length; i++) {
        rows[i] = Arrays.asList(String.valueOf(i));
    }
    hdm.addData("SELECT pm1.g1.e1 FROM pm1.g1", rows);
    rows = new List<?>[2];
    for (int i = 0; i < rows.length; i++) {
        rows[i] = Arrays.asList(String.valueOf(i), i);
    }
    hdm.addData("SELECT pm2.g2.e1, pm2.g2.e2 FROM pm2.g2", rows);
    BufferManagerImpl mgr = BufferManagerFactory.getTestBufferManager(1, 2);
    mgr.setTargetBytesPerRow(100);
    // $NON-NLS-1$ //$NON-NLS-2$
    CommandContext context = new CommandContext("pid", "test", null, null, 1);
    context.setBufferManager(mgr);
    TestProcessor.helpProcess(plan, context, hdm, new List<?>[] { Arrays.asList("0", 0), Arrays.asList("0", 1), Arrays.asList("1", 0), Arrays.asList("1", 1) });
}

Example 8 with RegisterRequestParameter

use of org.teiid.query.processor.RegisterRequestParameter in project teiid by teiid.

the class ExecDynamicSqlInstruction method process.

/**
 * <p>
 * Processing this instruction executes the ProcessorPlan for the command on
 * the CommandStatement of the update procedure language. Executing this
 * plan does not effect the values of any of the variables defined as part
 * of the update procedure and hence the results of the ProcessPlan
 * execution need not be stored for further processing. The results are
 * removed from the buffer manager immediately after execution. The program
 * counter is incremented after execution of the plan.
 * </p>
 *
 * @throws BlockedException
 *             if this processing the plan throws a currentVarContext
 */
public void process(ProcedurePlan procEnv) throws BlockedException, TeiidComponentException, TeiidProcessingException {
    VariableContext localContext = procEnv.getCurrentVariableContext();
    String query = null;
    try {
        Clob value = (Clob) procEnv.evaluateExpression(dynamicCommand.getSql());
        if (value == null) {
            throw new QueryProcessingException(QueryPlugin.Util.getString(// $NON-NLS-1$
            "ExecDynamicSqlInstruction.0"));
        }
        if (value.length() > MAX_SQL_LENGTH) {
            throw new QueryProcessingException(QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31204, MAX_SQL_LENGTH));
        }
        query = value.getSubString(1, MAX_SQL_LENGTH);
        LogManager.logTrace(org.teiid.logging.LogConstants.CTX_DQP, // $NON-NLS-1$
        new Object[] { "Executing dynamic sql ", query });
        Command command = QueryParser.getQueryParser().parseCommand(query);
        // special handling for dynamic anon blocks
        if (command instanceof CreateProcedureCommand) {
            if (dynamicCommand.getIntoGroup() != null || returnable) {
                // and the creation of an inline view
                throw new QueryProcessingException(QueryPlugin.Event.TEIID31250, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31250));
            }
            ((CreateProcedureCommand) command).setResultSetColumns(Collections.EMPTY_LIST);
        }
        command.setExternalGroupContexts(dynamicCommand.getExternalGroupContexts());
        command.setTemporaryMetadata(dynamicCommand.getTemporaryMetadata().clone());
        updateContextWithUsingValues(procEnv, localContext);
        TempMetadataStore metadataStore = command.getTemporaryMetadata();
        if (dynamicCommand.getUsing() != null && !dynamicCommand.getUsing().isEmpty()) {
            metadataStore.addTempGroup(Reserved.USING, new LinkedList<ElementSymbol>(dynamicCommand.getUsing().getClauseMap().keySet()));
            GroupSymbol using = new GroupSymbol(Reserved.USING);
            using.setMetadataID(metadataStore.getTempGroupID(Reserved.USING));
            command.addExternalGroupToContext(using);
            metadataStore.addTempGroup(ProcedureReservedWords.DVARS, new LinkedList<ElementSymbol>(dynamicCommand.getUsing().getClauseMap().keySet()));
            using = new GroupSymbol(ProcedureReservedWords.DVARS);
            using.setMetadataID(metadataStore.getTempGroupID(ProcedureReservedWords.DVARS));
            command.addExternalGroupToContext(using);
        }
        QueryResolver.resolveCommand(command, metadata.getDesignTimeMetadata());
        validateDynamicCommand(procEnv, command, value.toString());
        // create a new set of variables including vars
        Map<ElementSymbol, Expression> nameValueMap = createVariableValuesMap(localContext);
        ValidationVisitor visitor = new ValidationVisitor();
        Request.validateWithVisitor(visitor, metadata, command);
        boolean insertInto = false;
        boolean updateCommand = false;
        if (!command.returnsResultSet() && !(command instanceof StoredProcedure)) {
            if (dynamicCommand.isAsClauseSet()) {
                if (dynamicCommand.getProjectedSymbols().size() != 1 || ((Expression) dynamicCommand.getProjectedSymbols().get(0)).getType() != DataTypeManager.DefaultDataClasses.INTEGER) {
                    throw new QueryProcessingException(QueryPlugin.Event.TEIID31157, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31157));
                }
            }
            updateCommand = true;
        } else if (dynamicCommand.getAsColumns() != null && !dynamicCommand.getAsColumns().isEmpty()) {
            // $NON-NLS-1$
            command = QueryRewriter.createInlineViewQuery(new GroupSymbol("X"), command, metadata, dynamicCommand.getAsColumns());
            if (dynamicCommand.getIntoGroup() != null) {
                Insert insert = new Insert(dynamicCommand.getIntoGroup(), dynamicCommand.getAsColumns(), Collections.emptyList());
                insert.setQueryExpression((Query) command);
                command = insert;
                insertInto = true;
            }
        }
        // if this is an update procedure, it could reassign variables
        command = QueryRewriter.rewrite(command, metadata, procEnv.getContext(), command instanceof CreateProcedureCommand ? Collections.EMPTY_MAP : nameValueMap);
        ProcessorPlan commandPlan = QueryOptimizer.optimizePlan(command, metadata, idGenerator, capFinder, AnalysisRecord.createNonRecordingRecord(), procEnv.getContext());
        if (command instanceof CreateProcedureCommand && commandPlan instanceof ProcedurePlan) {
            ((ProcedurePlan) commandPlan).setValidateAccess(procEnv.isValidateAccess());
        }
        CreateCursorResultSetInstruction inst = new CreateCursorResultSetInstruction(null, commandPlan, (insertInto || updateCommand) ? Mode.UPDATE : returnable ? Mode.HOLD : Mode.NOHOLD) {

            @Override
            public void process(ProcedurePlan procEnv) throws BlockedException, TeiidComponentException, TeiidProcessingException {
                boolean done = true;
                try {
                    super.process(procEnv);
                } catch (BlockedException e) {
                    done = false;
                    throw e;
                } finally {
                    if (done) {
                        procEnv.getContext().popCall();
                    }
                }
            }
        };
        dynamicProgram = new Program(false);
        dynamicProgram.addInstruction(inst);
        if (dynamicCommand.getIntoGroup() != null) {
            String groupName = dynamicCommand.getIntoGroup().getName();
            if (!procEnv.getTempTableStore().hasTempTable(groupName, true)) {
                // create the temp table in the parent scope
                Create create = new Create();
                create.setTable(new GroupSymbol(groupName));
                for (ElementSymbol es : (List<ElementSymbol>) dynamicCommand.getAsColumns()) {
                    Column c = new Column();
                    c.setName(es.getShortName());
                    c.setRuntimeType(DataTypeManager.getDataTypeName(es.getType()));
                    create.getColumns().add(c);
                }
                procEnv.getDataManager().registerRequest(procEnv.getContext(), create, TempMetadataAdapter.TEMP_MODEL.getName(), new RegisterRequestParameter());
            }
            // backwards compatibility to support into with a rowcount
            if (updateCommand) {
                Insert insert = new Insert();
                insert.setGroup(new GroupSymbol(groupName));
                for (ElementSymbol es : (List<ElementSymbol>) dynamicCommand.getAsColumns()) {
                    ElementSymbol col = new ElementSymbol(es.getShortName(), insert.getGroup());
                    col.setType(es.getType());
                    insert.addVariable(col);
                }
                insert.addValue(new Constant(procEnv.getCurrentVariableContext().getValue(ProcedurePlan.ROWCOUNT)));
                QueryResolver.resolveCommand(insert, metadata.getDesignTimeMetadata());
                TupleSource ts = procEnv.getDataManager().registerRequest(procEnv.getContext(), insert, TempMetadataAdapter.TEMP_MODEL.getName(), new RegisterRequestParameter());
                ts.nextTuple();
                ts.closeSource();
            }
        }
        // Add group to recursion stack
        if (parentProcCommand.getUpdateType() != Command.TYPE_UNKNOWN) {
            // $NON-NLS-1$
            procEnv.getContext().pushCall(Command.getCommandToken(parentProcCommand.getUpdateType()) + " " + parentProcCommand.getVirtualGroup());
        } else {
            if (parentProcCommand.getVirtualGroup() != null) {
                procEnv.getContext().pushCall(parentProcCommand.getVirtualGroup().toString());
            }
        }
        procEnv.push(dynamicProgram);
    } catch (SQLException e) {
        Object[] params = { dynamicCommand, dynamicCommand.getSql(), e.getMessage() };
        throw new QueryProcessingException(QueryPlugin.Event.TEIID30168, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30168, params));
    } catch (TeiidProcessingException e) {
        Object[] params = { dynamicCommand, query == null ? dynamicCommand.getSql() : query, e.getMessage() };
        throw new QueryProcessingException(QueryPlugin.Event.TEIID30168, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30168, params));
    }
}

Example 9 with RegisterRequestParameter

use of org.teiid.query.processor.RegisterRequestParameter in project teiid by teiid.

the class BatchedUpdateNode method open.

/**
 * @see org.teiid.query.processor.relational.RelationalNode#open()
 * @since 4.2
 */
public void open() throws TeiidComponentException, TeiidProcessingException {
    super.open();
    unexecutedCommands = new boolean[updateCommands.size()];
    List<Command> commandsToExecute = new ArrayList<Command>(updateCommands.size());
    // Find the commands to be executed
    for (int i = 0; i < updateCommands.size(); i++) {
        Command updateCommand = (Command) updateCommands.get(i).clone();
        CommandContext context = this.getContext();
        if (this.contexts != null && !this.contexts.isEmpty()) {
            context = context.clone();
            context.setVariableContext(this.contexts.get(i));
        }
        boolean needProcessing = false;
        if (shouldEvaluate != null && shouldEvaluate.get(i)) {
            updateCommand = (Command) updateCommand.clone();
            Evaluator eval = getEvaluator(Collections.emptyMap());
            eval.initialize(context, getDataManager());
            AccessNode.rewriteAndEvaluate(updateCommand, eval, context, context.getMetadata());
        }
        needProcessing = RelationalNodeUtil.shouldExecute(updateCommand, true);
        if (needProcessing) {
            commandsToExecute.add(updateCommand);
        } else {
            unexecutedCommands[i] = true;
        }
    }
    if (!commandsToExecute.isEmpty()) {
        BatchedUpdateCommand command = new BatchedUpdateCommand(commandsToExecute);
        RowBasedSecurityHelper.checkConstraints(command, getEvaluator(Collections.emptyMap()));
        tupleSource = getDataManager().registerRequest(getContext(), command, modelName, new RegisterRequestParameter(null, getID(), -1));
    }
}

Example 10 with RegisterRequestParameter

use of org.teiid.query.processor.RegisterRequestParameter in project teiid by teiid.

the class TestDataTierManager method testCancelWithCaching.

@Test
public void testCancelWithCaching() throws Exception {
    QueryMetadataInterface metadata = RealMetadataFactory.exampleBQTCached();
    CacheDirective cd = new CacheDirective();
    this.connectorManager.cacheDirective = cd;
    helpSetupDataTierManager();
    Command command = helpSetupRequest("SELECT stringkey from bqt1.smalla", 1, metadata).getCommand();
    this.context.getSession().setSessionId("different");
    RegisterRequestParameter rrp = new RegisterRequestParameter();
    rrp.connectorBindingId = "x";
    TupleSource ts = dtm.registerRequest(context, command, "foo", rrp);
    assertTrue(ts instanceof CachingTupleSource);
    assertEquals(4, pullTuples(ts, 4));
    ((CachingTupleSource) ts).item.requestCancel("");
    assertEquals(1, connectorManager.getExecuteCount().get());
    assertFalse(rrp.doNotCache);
    // should force read all
    ts.closeSource();
    assertFalse(((CachingTupleSource) ts).dtts.errored);
    assertNull(((CachingTupleSource) ts).dtts.scope);
    assertEquals(0, this.rm.getRsCache().getCachePutCount());
}