Examples with SQLStringVisitor org.teiid.language.visitor.SQLStringVisitor used on opensource projects

Example 1 with SQLStringVisitor

use of org.teiid.language.visitor.SQLStringVisitor in project teiid by teiid.

the class AccumuloQueryVisitor method visit.

@Override
public void visit(Select obj) {
    visitNodes(obj.getFrom());
    visitNodes(obj.getDerivedColumns());
    visitNode(obj.getWhere());
    visitNode(obj.getGroupBy());
    visitNode(obj.getHaving());
    visitNode(obj.getOrderBy());
    visitNode(obj.getLimit());
    if (this.doScanEvaluation) {
        HashMap<String, String> options = buildEvaluatorOptions(this.scanTable);
        SQLStringVisitor visitor = new SQLStringVisitor() {

            @Override
            public String getName(AbstractMetadataRecord object) {
                return object.getName();
            }
        };
        visitor.append(obj.getWhere());
        options.put(EvaluatorIterator.QUERYSTRING, visitor.toString());
        IteratorSetting it = new IteratorSetting(1, EvaluatorIterator.class, options);
        this.scanIterators.add(it);
    }
}

Example 2 with SQLStringVisitor

use of org.teiid.language.visitor.SQLStringVisitor in project teiid by teiid.

the class InfinispanUpdateExecution method execute.

@Override
public void execute() throws TranslatorException {
    if (useAliasCache) {
        if (useAliasCache) {
            InfinispanQueryExecution.useModifiedGroups(this.connection, this.executionContext, this.metadata, this.command);
        }
    }
    final InfinispanUpdateVisitor visitor = new InfinispanUpdateVisitor(this.metadata);
    visitor.append(this.command);
    if (!visitor.exceptions.isEmpty()) {
        throw visitor.exceptions.get(0);
    }
    TeiidTableMarsheller marshaller = null;
    try {
        Table table = visitor.getParentTable();
        Column pkColumn = visitor.getPrimaryKey();
        if (pkColumn == null) {
            throw new TranslatorException(InfinispanPlugin.Util.gs(InfinispanPlugin.Event.TEIID25013, table.getName()));
        }
        final String PK = MarshallerBuilder.getDocumentAttributeName(pkColumn, false, this.metadata);
        DocumentFilter docFilter = null;
        if (visitor.isNestedOperation() && visitor.getWhereClause() != null) {
            Action action = Action.ALWAYSADD;
            if (command instanceof Delete) {
                action = Action.REMOVE;
            }
            SQLStringVisitor ssv = new SQLStringVisitor() {

                @Override
                public void visit(ColumnReference obj) {
                    String groupName = null;
                    NamedTable group = obj.getTable();
                    if (group.getCorrelationName() != null) {
                        groupName = group.getCorrelationName();
                    } else {
                        Table groupID = group.getMetadataObject();
                        if (groupID.getFullName().equals(visitor.getParentTable().getFullName())) {
                            groupName = visitor.getParentNamedTable().getCorrelationName();
                        } else {
                            groupName = visitor.getQueryNamedTable().getCorrelationName();
                        }
                    }
                    buffer.append(groupName).append(Tokens.DOT).append(getName(obj.getMetadataObject()));
                }

                @Override
                public String getName(AbstractMetadataRecord object) {
                    return object.getName();
                }
            };
            ssv.append(visitor.getWhereClause());
            docFilter = new ComplexDocumentFilter(visitor.getParentNamedTable(), visitor.getQueryNamedTable(), this.metadata, ssv.toString(), action);
        }
        marshaller = MarshallerBuilder.getMarshaller(table, this.metadata, docFilter);
        this.connection.registerMarshaller(marshaller);
        // if the message in defined in different cache than the default, switch it out now.
        final RemoteCache<Object, Object> cache = InfinispanQueryExecution.getCache(table, connection);
        if (visitor.getOperationType() == OperationType.DELETE) {
            paginateDeleteResults(cache, visitor.getDeleteQuery(), new Task() {

                @Override
                public void run(Object row) throws TranslatorException {
                    if (visitor.isNestedOperation()) {
                        String childName = ProtobufMetadataProcessor.getMessageName(visitor.getQueryTable());
                        InfinispanDocument document = (InfinispanDocument) row;
                        cache.replace(document.getProperties().get(PK), document);
                        // false below means count that not matched, i.e. deleted count
                        updateCount = updateCount + document.getUpdateCount(childName, false);
                    } else {
                        Object key = ((Object[]) row)[0];
                        cache.remove(key);
                        updateCount++;
                    }
                }
            }, this.executionContext.getBatchSize());
        } else if (visitor.getOperationType() == OperationType.UPDATE) {
            paginateUpdateResults(cache, visitor.getUpdateQuery(), new Task() {

                @Override
                public void run(Object row) throws TranslatorException {
                    InfinispanDocument previous = (InfinispanDocument) row;
                    Object key = previous.getProperties().get(PK);
                    int count = previous.merge(visitor.getInsertPayload());
                    cache.replace(key, previous);
                    updateCount = updateCount + count;
                }
            }, this.executionContext.getBatchSize());
        } else if (visitor.getOperationType() == OperationType.INSERT) {
            performInsert(visitor, table, cache, false, marshaller);
        } else if (visitor.getOperationType() == OperationType.UPSERT) {
            performInsert(visitor, table, cache, true, marshaller);
        }
    } finally {
        if (marshaller != null) {
            this.connection.unRegisterMarshaller(marshaller);
        }
    }
}

Example 3 with SQLStringVisitor

use of org.teiid.language.visitor.SQLStringVisitor in project teiid by teiid.

the class InfinispanQueryExecution method execute.

@Override
public void execute() throws TranslatorException {
    try {
        if (useAliasCache) {
            useModifiedGroups(this.connection, this.executionContext, this.metadata, this.command);
        }
        final IckleConversionVisitor visitor = new IckleConversionVisitor(metadata, false);
        visitor.append(this.command);
        Table table = visitor.getParentTable();
        String queryStr = visitor.getQuery();
        LogManager.logDetail(LogConstants.CTX_CONNECTOR, "SourceQuery:", queryStr);
        DocumentFilter docFilter = null;
        if (queryStr.startsWith("FROM ") && ((Select) command).getWhere() != null) {
            SQLStringVisitor ssv = new SQLStringVisitor() {

                @Override
                public String getName(AbstractMetadataRecord object) {
                    return object.getName();
                }
            };
            ssv.append(((Select) command).getWhere());
            docFilter = new ComplexDocumentFilter(visitor.getParentNamedTable(), visitor.getQueryNamedTable(), this.metadata, ssv.toString(), Action.ADD);
        }
        this.marshaller = MarshallerBuilder.getMarshaller(table, this.metadata, docFilter);
        this.connection.registerMarshaller(this.marshaller);
        // if the message in defined in different cache than the default, switch it out now.
        RemoteCache<Object, Object> cache = getCache(table, connection);
        results = new InfinispanResponse(cache, queryStr, this.executionContext.getBatchSize(), visitor.getRowLimit(), visitor.getRowOffset(), visitor.getProjectedDocumentAttributes(), visitor.getDocumentNode());
    } finally {
        this.connection.unRegisterMarshaller(this.marshaller);
    }
}