Examples with ResultsBag org.apache.geode.cache.query.internal.ResultsBag used on opensource projects

Example 1 with ResultsBag

use of org.apache.geode.cache.query.internal.ResultsBag in project geode by apache.

the class PartitionedRegion method doExecuteQuery.

/**
   * If ForceReattemptException is thrown then the caller must loop and call us again.
   * 
   * @throws ForceReattemptException if one of the buckets moved out from under us
   */
private Object doExecuteQuery(DefaultQuery query, Object[] parameters, Set buckets) throws FunctionDomainException, TypeMismatchException, NameResolutionException, QueryInvocationTargetException, ForceReattemptException {
    if (logger.isDebugEnabled()) {
        logger.debug("Executing query :{}", query);
    }
    HashSet<Integer> allBuckets = new HashSet<Integer>();
    if (buckets == null) {
        // remote buckets
        final Iterator remoteIter = getRegionAdvisor().getBucketSet().iterator();
        try {
            while (remoteIter.hasNext()) {
                allBuckets.add((Integer) remoteIter.next());
            }
        } catch (NoSuchElementException ignore) {
        }
    } else {
        // local buckets
        Iterator localIter = null;
        if (this.dataStore != null) {
            localIter = buckets.iterator();
        } else {
            localIter = Collections.emptySet().iterator();
        }
        try {
            while (localIter.hasNext()) {
                allBuckets.add((Integer) localIter.next());
            }
        } catch (NoSuchElementException ignore) {
        }
    }
    if (allBuckets.size() == 0) {
        if (logger.isDebugEnabled()) {
            logger.debug("No bucket storage allocated. PR has no data yet.");
        }
        ResultsSet resSet = new ResultsSet();
        resSet.setElementType(new ObjectTypeImpl(this.getValueConstraint() == null ? Object.class : this.getValueConstraint()));
        return resSet;
    }
    CompiledSelect selectExpr = query.getSimpleSelect();
    if (selectExpr == null) {
        throw new IllegalArgumentException(LocalizedStrings.PartitionedRegion_QUERY_MUST_BE_A_SELECT_EXPRESSION_ONLY.toLocalizedString());
    }
    // this can return a BAG even if it's a DISTINCT select expression,
    // since the expectation is that the duplicates will be removed at the end
    SelectResults results = selectExpr.getEmptyResultSet(parameters, getCache(), query);
    PartitionedRegionQueryEvaluator prqe = new PartitionedRegionQueryEvaluator(this.getSystem(), this, query, parameters, results, allBuckets);
    for (; ; ) {
        this.getCancelCriterion().checkCancelInProgress(null);
        boolean interrupted = Thread.interrupted();
        try {
            results = prqe.queryBuckets(null);
            break;
        } catch (InterruptedException ignore) {
            interrupted = true;
        } catch (FunctionDomainException e) {
            throw e;
        } catch (TypeMismatchException e) {
            throw e;
        } catch (NameResolutionException e) {
            throw e;
        } catch (QueryInvocationTargetException e) {
            throw e;
        } catch (QueryException qe) {
            throw new QueryInvocationTargetException(LocalizedStrings.PartitionedRegion_UNEXPECTED_QUERY_EXCEPTION_OCCURRED_DURING_QUERY_EXECUTION_0.toLocalizedString(qe.getMessage()), qe);
        } finally {
            if (interrupted) {
                Thread.currentThread().interrupt();
            }
        }
    }
    // for
    // Drop Duplicates if this is a DISTINCT query
    boolean allowsDuplicates = results.getCollectionType().allowsDuplicates();
    // be exactly matching the limit
    if (selectExpr.isDistinct()) {
        // don't just convert to a ResultsSet (or StructSet), since
        // the bags can convert themselves to a Set more efficiently
        ObjectType elementType = results.getCollectionType().getElementType();
        if (selectExpr.getOrderByAttrs() != null) {
        // Set limit also, its not applied while building the final result set as order by is
        // involved.
        } else if (allowsDuplicates) {
            results = new ResultsCollectionWrapper(elementType, results.asSet());
        }
        if (selectExpr.isCount() && (results.isEmpty() || selectExpr.isDistinct())) {
            // Constructor with elementType not visible.
            SelectResults resultCount = new ResultsBag(getCachePerfStats());
            resultCount.setElementType(new ObjectTypeImpl(Integer.class));
            ((Bag) resultCount).addAndGetOccurence(results.size());
            return resultCount;
        }
    }
    return results;
}

Example 2 with ResultsBag

use of org.apache.geode.cache.query.internal.ResultsBag in project geode by apache.

the class DummyQRegion method getValues.

@Override
public SelectResults getValues() {
    if (values == null) {
        values = new ResultsBag(((HasCachePerfStats) getRegion().getCache()).getCachePerfStats());
        values.setElementType(valueType);
    }
    values.clear();
    Object val = this.entry.getValueOffHeapOrDiskWithoutFaultIn((LocalRegion) getRegion());
    if (val instanceof StoredObject) {
        @Retained @Released StoredObject ohval = (StoredObject) val;
        try {
            val = ohval.getDeserializedValue(getRegion(), this.entry);
        } finally {
            ohval.release();
        }
    } else if (val instanceof CachedDeserializable) {
        val = ((CachedDeserializable) val).getDeserializedValue(getRegion(), this.entry);
    }
    values.add(val);
    return values;
}

Example 3 with ResultsBag

use of org.apache.geode.cache.query.internal.ResultsBag in project geode by apache.

the class LikePredicateJUnitTest method likePercentageTerminated_1.

/**
   * Tests simple % terminated pattern with atleast one preceding character
   * 
   * @throws Exception
   */
private void likePercentageTerminated_1(boolean useBindParam) throws Exception {
    Cache cache = CacheUtils.getCache();
    AttributesFactory attributesFactory = new AttributesFactory();
    RegionAttributes regionAttributes = attributesFactory.create();
    Region region = cache.createRegion("pos", regionAttributes);
    char ch = 'd';
    String base = "abc";
    for (int i = 1; i < 6; ++i) {
        Portfolio pf = new Portfolio(i);
        pf.status = base + ch;
        ch += 1;
        region.put(new Integer(i), pf);
    }
    base = "abd";
    ch = 'd';
    for (int i = 6; i < 11; ++i) {
        Portfolio pf = new Portfolio(i);
        pf.status = base + ch;
        ch += 1;
        region.put(new Integer(i), pf);
    }
    QueryService qs = cache.getQueryService();
    Query q;
    SelectResults results;
    SelectResults expectedResults;
    String predicate = "";
    if (useBindParam) {
        predicate = "$1";
    } else {
        predicate = " 'abc%'";
    }
    q = qs.newQuery("SELECT distinct *  FROM /pos ps WHERE ps.status like " + predicate);
    if (useBindParam) {
        results = (SelectResults) q.execute(new Object[] { "abc%" });
    } else {
        results = (SelectResults) q.execute();
    }
    ResultsBag bag = new ResultsBag(null);
    for (int i = 1; i < 6; ++i) {
        bag.add(region.get(new Integer(i)));
    }
    expectedResults = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), bag.asSet());
    SelectResults[][] rs = new SelectResults[][] { { results, expectedResults } };
    CacheUtils.compareResultsOfWithAndWithoutIndex(rs, this);
    // Create Index
    qs.createIndex("status", IndexType.FUNCTIONAL, "ps.status", "/pos ps");
    QueryObserver old = QueryObserverHolder.setInstance(new QueryObserverAdapter() {

        private boolean indexCalled = false;

        public void afterIndexLookup(Collection results) {
            indexCalled = true;
        }

        public void endQuery() {
            assertTrue(indexCalled);
        }
    });
    if (useBindParam) {
        results = (SelectResults) q.execute(new Object[] { "abc%" });
    } else {
        results = (SelectResults) q.execute();
    }
    rs[0][0] = results;
    rs[0][1] = expectedResults;
    CacheUtils.compareResultsOfWithAndWithoutIndex(rs, this);
    QueryObserverHolder.setInstance(old);
}

Example 4 with ResultsBag

use of org.apache.geode.cache.query.internal.ResultsBag in project geode by apache.

the class LikePredicateJUnitTest method likePercentageTerminated_4.

/**
   * Tests a simple % terminated like predicate with an AND condition
   * 
   * @throws Exception
   */
private void likePercentageTerminated_4(boolean useBindPrm) throws Exception {
    Cache cache = CacheUtils.getCache();
    AttributesFactory attributesFactory = new AttributesFactory();
    RegionAttributes regionAttributes = attributesFactory.create();
    Region region = cache.createRegion("pos", regionAttributes);
    String base = "abc";
    String pattern = base;
    // so we will get string like abcdcdcdcdcdc
    for (int i = 1; i < 200; ++i) {
        Portfolio pf = new Portfolio(i);
        pattern += "dc";
        pf.status = pattern;
        region.put(new Integer(i), pf);
    }
    base = "abd";
    pattern = base;
    // so we will get string like abddcdcdcd
    for (int i = 201; i < 400; ++i) {
        Portfolio pf = new Portfolio(i);
        pattern += "dc";
        pf.status = pattern;
        region.put(new Integer(i), pf);
    }
    QueryService qs = cache.getQueryService();
    Query q;
    SelectResults results;
    SelectResults expectedResults;
    String predicate = "";
    if (useBindPrm) {
        predicate = "$1";
    } else {
        predicate = " 'abc%'";
    }
    q = qs.newQuery("SELECT distinct *  FROM /pos ps WHERE ps.status like " + predicate + " AND ps.ID > 2 AND ps.ID < 150");
    if (useBindPrm) {
        results = (SelectResults) q.execute(new Object[] { "abc%" });
    } else {
        results = (SelectResults) q.execute();
    }
    ResultsBag bag = new ResultsBag(null);
    for (int i = 3; i < 150; ++i) {
        bag.add(region.get(new Integer(i)));
    }
    expectedResults = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), bag.asSet());
    SelectResults[][] rs = new SelectResults[][] { { results, expectedResults } };
    CacheUtils.compareResultsOfWithAndWithoutIndex(rs, this);
    // Create Index
    qs.createIndex("status", IndexType.FUNCTIONAL, "ps.status", "/pos ps");
    QueryObserver old = QueryObserverHolder.setInstance(new QueryObserverAdapter() {

        private boolean[] indexCalled = new boolean[] { false, false };

        private int i = 0;

        public void afterIndexLookup(Collection results) {
            indexCalled[i++] = true;
        }

        public void endQuery() {
            assertTrue(indexCalled[0]);
            assertFalse(indexCalled[1]);
        }
    });
    if (useBindPrm) {
        results = (SelectResults) q.execute(new Object[] { "abc%" });
    } else {
        results = (SelectResults) q.execute();
    }
    rs[0][0] = results;
    rs[0][1] = expectedResults;
    CacheUtils.compareResultsOfWithAndWithoutIndex(rs, this);
    qs.createIndex("id", IndexType.FUNCTIONAL, "ps.ID", "/pos ps");
    QueryObserverHolder.setInstance(new QueryObserverAdapter() {

        private boolean[] indexCalled = new boolean[] { false, false };

        private int i = 0;

        public void afterIndexLookup(Collection results) {
            indexCalled[i++] = true;
        }

        public void endQuery() {
            // Only one indexed condition should be called
            boolean indexInvoked = false;
            for (int i = 0; i < indexCalled.length; ++i) {
                indexInvoked = indexInvoked || indexCalled[i];
            }
            assertTrue(indexInvoked);
        }
    });
    if (useBindPrm) {
        results = (SelectResults) q.execute(new Object[] { "abc%" });
    } else {
        results = (SelectResults) q.execute();
    }
    rs[0][0] = results;
    rs[0][1] = expectedResults;
    CacheUtils.compareResultsOfWithAndWithoutIndex(rs, this);
    QueryObserverHolder.setInstance(old);
}

Example 5 with ResultsBag

use of org.apache.geode.cache.query.internal.ResultsBag in project geode by apache.

the class LikePredicateJUnitTest method equalityForm_1.

/**
   * Tests simple non % or non _ terminated string which in effect means equality
   * 
   * @throws Exception
   */
private void equalityForm_1(boolean useBindPrms) throws Exception {
    Cache cache = CacheUtils.getCache();
    AttributesFactory attributesFactory = new AttributesFactory();
    RegionAttributes regionAttributes = attributesFactory.create();
    Region region = cache.createRegion("pos", regionAttributes);
    char ch = 'd';
    String base = "abc";
    for (int i = 1; i < 6; ++i) {
        Portfolio pf = new Portfolio(i);
        pf.status = base + ch;
        ch += 1;
        region.put(new Integer(i), pf);
    }
    base = "abd";
    ch = 'd';
    for (int i = 6; i < 11; ++i) {
        Portfolio pf = new Portfolio(i);
        pf.status = base + ch;
        ch += 1;
        region.put(new Integer(i), pf);
    }
    QueryService qs = cache.getQueryService();
    Query q;
    SelectResults results;
    SelectResults expectedResults;
    String predicate = "";
    if (useBindPrms) {
        predicate = "$1";
    } else {
        predicate = " 'abcd'";
    }
    q = qs.newQuery("SELECT distinct *  FROM /pos ps WHERE ps.status like " + predicate);
    if (useBindPrms) {
        results = (SelectResults) q.execute(new Object[] { "abcd" });
    } else {
        results = (SelectResults) q.execute();
    }
    ResultsBag bag = new ResultsBag(null);
    bag.add(region.get(new Integer(1)));
    expectedResults = new ResultsCollectionWrapper(new ObjectTypeImpl(Object.class), bag.asSet());
    SelectResults[][] rs = new SelectResults[][] { { results, expectedResults } };
    CacheUtils.compareResultsOfWithAndWithoutIndex(rs, this);
    // Create Index
    qs.createIndex("status", IndexType.FUNCTIONAL, "ps.status", "/pos ps");
    QueryObserver old = QueryObserverHolder.setInstance(new QueryObserverAdapter() {

        private boolean indexCalled = false;

        public void afterIndexLookup(Collection results) {
            indexCalled = true;
        }

        public void endQuery() {
            assertTrue(indexCalled);
        }
    });
    if (useBindPrms) {
        results = (SelectResults) q.execute(new Object[] { "abcd" });
    } else {
        results = (SelectResults) q.execute();
    }
    rs[0][0] = results;
    rs[0][1] = expectedResults;
    CacheUtils.compareResultsOfWithAndWithoutIndex(rs, this);
    QueryObserverHolder.setInstance(old);
}