Examples with Query org.teiid.query.sql.lang.Query used on opensource projects

Example 11 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestLoopStatement method query2.

public static final Query query2() {
    Query q1 = new Query();
    Select select = new Select();
    // $NON-NLS-1$
    select.addSymbol(new ElementSymbol("x2"));
    q1.setSelect(select);
    From from = new From();
    // $NON-NLS-1$
    from.addGroup(new GroupSymbol("g2"));
    q1.setFrom(from);
    return q1;
}

Example 12 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestEvaluatableVisitor method testNestedNeedsEvaluation.

@Test
public void testNestedNeedsEvaluation() throws Exception {
    // $NON-NLS-1$
    Query command = (Query) TestResolver.helpResolve("select * from pm1.g1 where e1 in (select e1 from pm1.g2 where e2 = ?)", RealMetadataFactory.example1Cached());
    assertTrue(EvaluatableVisitor.needsProcessingEvaluation(command));
}

Example 13 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class TestASTQueries method sampleQuery.

private Query sampleQuery() {
    List<ElementSymbol> symbols = new ArrayList<ElementSymbol>();
    // $NON-NLS-1$
    symbols.add(new ElementSymbol("e1"));
    // $NON-NLS-1$
    symbols.add(new ElementSymbol("e2"));
    Select select = new Select(symbols);
    From from = new From();
    // $NON-NLS-1$
    from.addGroup(new GroupSymbol("G1"));
    Query query = new Query();
    query.setSelect(select);
    query.setFrom(from);
    return query;
}

Example 14 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class DataTierManagerImpl method processSystemQuery.

/**
 * @param command
 * @param workItem
 * @return
 * @throws TeiidComponentException
 * @throws TeiidProcessingException
 */
private TupleSource processSystemQuery(CommandContext context, Command command, DQPWorkContext workContext) throws TeiidComponentException, TeiidProcessingException {
    String vdbName = workContext.getVdbName();
    String vdbVersion = workContext.getVdbVersion();
    final VDBMetaData vdb = workContext.getVDB();
    TransformationMetadata indexMetadata = vdb.getAttachment(TransformationMetadata.class);
    CompositeMetadataStore metadata = indexMetadata.getMetadataStore();
    if (command instanceof Query) {
        Query query = (Query) command;
        UnaryFromClause ufc = (UnaryFromClause) query.getFrom().getClauses().get(0);
        GroupSymbol group = ufc.getGroup();
        if (StringUtil.startsWithIgnoreCase(group.getNonCorrelationName(), CoreConstants.SYSTEM_ADMIN_MODEL)) {
            final SystemAdminTables sysTable = SystemAdminTables.valueOf(group.getNonCorrelationName().substring(CoreConstants.SYSTEM_ADMIN_MODEL.length() + 1).toUpperCase());
            BaseExtractionTable<?> et = systemAdminTables.get(sysTable);
            return et.processQuery(query, vdb, indexMetadata, context);
        }
        final SystemTables sysTable = SystemTables.valueOf(group.getNonCorrelationName().substring(CoreConstants.SYSTEM_MODEL.length() + 1).toUpperCase());
        BaseExtractionTable<?> et = systemTables.get(sysTable);
        return et.processQuery(query, vdb, indexMetadata, context);
    }
    Collection<List<?>> rows = new ArrayList<List<?>>();
    StoredProcedure proc = (StoredProcedure) command;
    if (StringUtil.startsWithIgnoreCase(proc.getProcedureCallableName(), CoreConstants.SYSTEM_ADMIN_MODEL)) {
        final SystemAdminProcs sysProc = SystemAdminProcs.valueOf(proc.getProcedureCallableName().substring(CoreConstants.SYSTEM_ADMIN_MODEL.length() + 1).toUpperCase());
        switch(sysProc) {
            case LOGMSG:
            case ISLOGGABLE:
                String level = (String) ((Constant) proc.getParameter(2).getExpression()).getValue();
                String logContext = (String) ((Constant) proc.getParameter(3).getExpression()).getValue();
                Object message = null;
                if (sysProc == SystemAdminProcs.LOGMSG) {
                    message = ((Constant) proc.getParameter(4).getExpression()).getValue();
                }
                int msgLevel = getLevel(level);
                boolean logged = false;
                if (LogManager.isMessageToBeRecorded(logContext, msgLevel)) {
                    if (message != null) {
                        LogManager.log(msgLevel, logContext, message);
                    }
                    logged = true;
                }
                if (proc.returnParameters()) {
                    rows.add(Arrays.asList(logged));
                }
                return new CollectionTupleSource(rows.iterator());
            case SETPROPERTY:
                try {
                    String uuid = (String) ((Constant) proc.getParameter(2).getExpression()).getValue();
                    String key = (String) ((Constant) proc.getParameter(3).getExpression()).getValue();
                    Clob value = (Clob) ((Constant) proc.getParameter(4).getExpression()).getValue();
                    key = MetadataFactory.resolvePropertyKey(null, key);
                    String strVal = null;
                    String result = null;
                    if (value != null) {
                        if (value.length() > MAX_VALUE_LENGTH) {
                            throw new TeiidProcessingException(QueryPlugin.Event.TEIID30548, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30548, MAX_VALUE_LENGTH));
                        }
                        strVal = ObjectConverterUtil.convertToString(value.getCharacterStream());
                    }
                    final AbstractMetadataRecord target = getByUuid(metadata, uuid);
                    if (target == null) {
                        throw new TeiidProcessingException(QueryPlugin.Event.TEIID30549, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30549, uuid));
                    }
                    AbstractMetadataRecord schema = target;
                    while (!(schema instanceof Schema) && schema.getParent() != null) {
                        schema = schema.getParent();
                    }
                    if (schema instanceof Schema && vdb.getImportedModels().contains(((Schema) schema).getName())) {
                        // $NON-NLS-1$
                        throw new TeiidProcessingException(QueryPlugin.Event.TEIID31098, QueryPlugin.Util.getString("ValidationVisitor.invalid_alter", uuid));
                    }
                    if (getMetadataRepository(target, vdb) != null) {
                        getMetadataRepository(target, vdb).setProperty(vdbName, vdbVersion, target, key, strVal);
                    }
                    result = DdlPlan.setProperty(vdb, target, key, strVal);
                    if (eventDistributor != null) {
                        eventDistributor.setProperty(vdbName, vdbVersion, uuid, key, strVal);
                    }
                    // materialization depends upon the property values
                    // $NON-NLS-1$
                    indexMetadata.addToMetadataCache(target, "transformation/matview", null);
                    if (proc.returnParameters()) {
                        if (result == null) {
                            rows.add(Arrays.asList((Clob) null));
                        } else {
                            rows.add(Arrays.asList(new ClobType(new ClobImpl(result))));
                        }
                    }
                    return new CollectionTupleSource(rows.iterator());
                } catch (SQLException e) {
                    throw new TeiidProcessingException(QueryPlugin.Event.TEIID30550, e);
                } catch (IOException e) {
                    throw new TeiidProcessingException(QueryPlugin.Event.TEIID30551, e);
                }
        }
        final Table table = indexMetadata.getGroupID((String) ((Constant) proc.getParameter(1).getExpression()).getValue());
        switch(sysProc) {
            case SETCOLUMNSTATS:
                final String columnName = (String) ((Constant) proc.getParameter(2).getExpression()).getValue();
                Column c = null;
                for (Column col : table.getColumns()) {
                    if (col.getName().equalsIgnoreCase(columnName)) {
                        c = col;
                        break;
                    }
                }
                if (c == null) {
                    throw new TeiidProcessingException(QueryPlugin.Event.TEIID30552, columnName + TransformationMetadata.NOT_EXISTS_MESSAGE);
                }
                Number distinctVals = (Number) ((Constant) proc.getParameter(3).getExpression()).getValue();
                Number nullVals = (Number) ((Constant) proc.getParameter(4).getExpression()).getValue();
                String max = (String) ((Constant) proc.getParameter(5).getExpression()).getValue();
                String min = (String) ((Constant) proc.getParameter(6).getExpression()).getValue();
                final ColumnStats columnStats = new ColumnStats();
                columnStats.setDistinctValues(distinctVals);
                columnStats.setNullValues(nullVals);
                columnStats.setMaximumValue(max);
                columnStats.setMinimumValue(min);
                if (getMetadataRepository(table, vdb) != null) {
                    getMetadataRepository(table, vdb).setColumnStats(vdbName, vdbVersion, c, columnStats);
                }
                DdlPlan.setColumnStats(vdb, c, columnStats);
                if (eventDistributor != null) {
                    eventDistributor.setColumnStats(vdbName, vdbVersion, table.getParent().getName(), table.getName(), columnName, columnStats);
                }
                break;
            case SETTABLESTATS:
                Constant val = (Constant) proc.getParameter(2).getExpression();
                final Number cardinality = (Number) val.getValue();
                TableStats tableStats = new TableStats();
                tableStats.setCardinality(cardinality);
                if (getMetadataRepository(table, vdb) != null) {
                    getMetadataRepository(table, vdb).setTableStats(vdbName, vdbVersion, table, tableStats);
                }
                DdlPlan.setTableStats(vdb, table, tableStats);
                if (eventDistributor != null) {
                    eventDistributor.setTableStats(vdbName, vdbVersion, table.getParent().getName(), table.getName(), tableStats);
                }
                break;
        }
        return new CollectionTupleSource(rows.iterator());
    }
    final SystemProcs sysTable = SystemProcs.valueOf(proc.getProcedureCallableName().substring(CoreConstants.SYSTEM_MODEL.length() + 1).toUpperCase());
    switch(sysTable) {
        case GETXMLSCHEMAS:
            try {
                Object groupID = indexMetadata.getGroupID((String) ((Constant) proc.getParameter(1).getExpression()).getValue());
                List<SQLXMLImpl> schemas = indexMetadata.getXMLSchemas(groupID);
                for (SQLXMLImpl schema : schemas) {
                    rows.add(Arrays.asList(new XMLType(schema)));
                }
            } catch (QueryMetadataException e) {
                throw new TeiidProcessingException(QueryPlugin.Event.TEIID30553, e);
            }
            break;
        case ARRAYITERATE:
            Object array = ((Constant) proc.getParameter(1).getExpression()).getValue();
            if (array != null) {
                final Object[] vals;
                if (array instanceof Object[]) {
                    vals = (Object[]) array;
                } else {
                    ArrayImpl arrayImpl = (ArrayImpl) array;
                    vals = arrayImpl.getValues();
                }
                return new CollectionTupleSource(new Iterator<List<?>>() {

                    int index = 0;

                    @Override
                    public boolean hasNext() {
                        return index < vals.length;
                    }

                    @Override
                    public List<?> next() {
                        if (!hasNext()) {
                            throw new NoSuchElementException();
                        }
                        return Arrays.asList(vals[index++]);
                    }

                    @Override
                    public void remove() {
                        throw new UnsupportedOperationException();
                    }
                });
            }
    }
    return new CollectionTupleSource(rows.iterator());
}

Example 15 with Query

use of org.teiid.query.sql.lang.Query in project teiid by teiid.

the class DefaultAuthorizationValidator method validate.

@Override
public boolean validate(String[] originalSql, Command command, QueryMetadataInterface metadata, CommandContext commandContext, CommandType commandType) throws QueryValidatorException, TeiidComponentException {
    boolean modified = false;
    if (policyDecider != null && policyDecider.validateCommand(commandContext)) {
        if (ignoreUnathorizedInAsterisk(command, commandContext)) {
            Query query = (Query) command;
            HashMap<String, LanguageObject> map = null;
            for (Expression ex : query.getSelect().getSymbols()) {
                if (ex instanceof MultipleElementSymbol) {
                    MultipleElementSymbol mes = (MultipleElementSymbol) ex;
                    if (map == null) {
                        map = new HashMap<String, LanguageObject>();
                    }
                    for (Iterator<ElementSymbol> iter = mes.getElementSymbols().iterator(); iter.hasNext(); ) {
                        ElementSymbol es = iter.next();
                        Object metadataObject = es.getMetadataID();
                        if (metadataObject instanceof MultiSourceElement || metadataObject instanceof TempMetadataID) {
                            continue;
                        }
                        map.clear();
                        AuthorizationValidationVisitor.addToNameMap(metadataObject, es, map, commandContext.getMetadata());
                        Set<String> results = this.policyDecider.getInaccessibleResources(PermissionType.READ, map.keySet(), Context.QUERY, commandContext);
                        if (!results.isEmpty()) {
                            // remove from the select
                            iter.remove();
                            modified = true;
                        }
                    }
                }
            }
            if (query.getProjectedSymbols().isEmpty()) {
                throw new QueryValidatorException(QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31151));
            }
        }
        AuthorizationValidationVisitor visitor = new AuthorizationValidationVisitor(this.policyDecider, commandContext);
        Request.validateWithVisitor(visitor, metadata, command);
    }
    return modified;
}