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Example 86 with RecordQueryPlan

use of com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan in project fdb-record-layer by FoundationDB.

the class RankIndexTest method halfIntervalGroupedRankQuery.

@Test
public void halfIntervalGroupedRankQuery() throws Exception {
    RecordQuery query = RecordQuery.newBuilder().setRecordType("BasicRankedRecord").setFilter(Query.and(Query.field("gender").equalsValue("M"), Query.rank(Key.Expressions.field("score").groupBy(Key.Expressions.field("gender"))).lessThan(1L))).build();
    RecordQueryPlan plan = planner.plan(query);
    assertEquals("Index(rank_by_gender ([M, null],[M, 1]) BY_RANK)", plan.toString());
    try (FDBRecordContext context = openContext()) {
        openRecordStore(context);
        try (RecordCursor<FDBQueriedRecord<Message>> cursor = recordStore.executeQuery(plan)) {
            FDBQueriedRecord<Message> rec = cursor.getNext().get();
            TestRecordsRankProto.BasicRankedRecord.Builder myrec = TestRecordsRankProto.BasicRankedRecord.newBuilder();
            myrec.mergeFrom(rec.getRecord());
            assertEquals("hector", myrec.getName());
            assertEquals(75, myrec.getScore());
            assertFalse(cursor.getNext().hasNext());
        }
    }
}
Also used : RecordQueryPlan(com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan) FDBQueriedRecord(com.apple.foundationdb.record.provider.foundationdb.FDBQueriedRecord) Message(com.google.protobuf.Message) FDBRecordContext(com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext) RecordQuery(com.apple.foundationdb.record.query.RecordQuery) Test(org.junit.jupiter.api.Test)

Example 87 with RecordQueryPlan

use of com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan in project fdb-record-layer by FoundationDB.

the class RankIndexTest method queryWithRanks.

@Test
public void queryWithRanks() throws Exception {
    RecordQuery query = RecordQuery.newBuilder().setRecordType("BasicRankedRecord").setFilter(Query.field("gender").equalsValue("M")).setSort(Key.Expressions.field("score")).build();
    RecordQueryPlan plan = planner.plan(query);
    QueryRecordFunction<Long> ranker = Query.rank(Key.Expressions.field("score").groupBy(Key.Expressions.field("gender")));
    try (FDBRecordContext context = openContext()) {
        openRecordStore(context);
        try (RecordCursorIterator<? extends Pair<Message, Long>> cursor = recordStore.executeQuery(plan).mapPipelined(record -> ranker.eval(recordStore, EvaluationContext.EMPTY, record.getStoredRecord()).thenApply(rank -> new ImmutablePair<>(record.getRecord(), rank)), recordStore.getPipelineSize(PipelineOperation.RECORD_FUNCTION)).asIterator()) {
            long rank = 0;
            while (cursor.hasNext()) {
                Pair<Message, Long> recWithRank = cursor.next();
                TestRecordsRankProto.BasicRankedRecord.Builder myrec = TestRecordsRankProto.BasicRankedRecord.newBuilder();
                myrec.mergeFrom(recWithRank.getLeft());
                assertEquals((Long) rank++, recWithRank.getRight());
            }
        }
    }
}
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Example 88 with RecordQueryPlan

use of com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan in project fdb-record-layer by FoundationDB.

the class RankIndexTest method rankPlusRankIn2.

@Test
public void rankPlusRankIn2() throws Exception {
    // Different rank predicates: at most one can be used in the scan.
    RecordQuery query = RecordQuery.newBuilder().setRecordType("BasicRankedRecord").setFilter(Query.and(Query.field("gender").equalsValue("M"), Query.rank(Key.Expressions.field("score").ungrouped()).lessThan(3L), Query.rank(Key.Expressions.field("score").groupBy(Key.Expressions.field("gender"))).in("mranks"))).build();
    RecordQueryPlan plan = planner.plan(query);
    assertThat(plan, inParameter(equalTo("mranks"), scoreForRank(containsInAnyOrder(hasToString("__rank_0 = BasicRankedRecord$score.score_for_rank_else_skip(3)")), fetch(filter(rankComparisonFor("score", Comparisons.Type.LESS_THAN, "__rank_0"), coveringIndexScan(indexScan(allOf(indexName("rank_by_gender"), bounds(hasTupleString("[EQUALS M, EQUALS $__in_rank([Field { 'gender' None}, Field { 'score' None}] group 1)__0]"))))))))));
    try (FDBRecordContext context = openContext()) {
        openRecordStore(context);
        EvaluationContext bound = EvaluationContext.forBinding("mranks", Arrays.asList(0L, 1L, 3L));
        List<String> names = plan.execute(recordStore, bound).map(rec -> TestRecordsRankProto.BasicRankedRecord.newBuilder().mergeFrom(rec.getRecord()).getName()).asList().join();
        assertEquals(Arrays.asList("hector", "achilles"), names);
        commit(context);
    }
}
Also used : RecordQueryPlan(com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan) FDBRecordContext(com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext) EvaluationContext(com.apple.foundationdb.record.EvaluationContext) Matchers.hasToString(org.hamcrest.Matchers.hasToString) PlanMatchers.hasTupleString(com.apple.foundationdb.record.query.plan.match.PlanMatchers.hasTupleString) RecordQuery(com.apple.foundationdb.record.query.RecordQuery) Test(org.junit.jupiter.api.Test)

Example 89 with RecordQueryPlan

use of com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan in project fdb-record-layer by FoundationDB.

the class RankIndexTest method rankScanContinuation.

@Test
public void rankScanContinuation() throws Exception {
    RecordQuery query = RecordQuery.newBuilder().setRecordType("BasicRankedRecord").setFilter(Query.rank("score").lessThan(100)).build();
    RecordQueryPlan plan = planner.plan(query);
    assertTrue(plan.hasIndexScan("BasicRankedRecord$score"));
    try (FDBRecordContext context = openContext()) {
        openRecordStore(context);
        Multiset<String> names = HashMultiset.create();
        byte[] continuation = null;
        do {
            RecordCursor<FDBQueriedRecord<Message>> recs = recordStore.executeQuery(plan, continuation, ExecuteProperties.newBuilder().setReturnedRowLimit(2).build());
            recs.forEach(rec -> names.add(TestRecordsRankProto.BasicRankedRecord.newBuilder().mergeFrom(rec.getRecord()).getName())).join();
            continuation = recs.getNext().getContinuation().toBytes();
        } while (continuation != null);
        assertEquals(ImmutableMultiset.of("achilles", "hector", "helen", "penelope", "laodice"), names);
        commit(context);
    }
}
Also used : RecordQueryPlan(com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan) BeforeEach(org.junit.jupiter.api.BeforeEach) Matchers.hasToString(org.hamcrest.Matchers.hasToString) Arrays(java.util.Arrays) Bindings(com.apple.foundationdb.record.Bindings) FDBRecordContext(com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext) Random(java.util.Random) Collections2(com.google.common.collect.Collections2) PlanMatchers.bounds(com.apple.foundationdb.record.query.plan.match.PlanMatchers.bounds) IndexScanType(com.apple.foundationdb.record.IndexScanType) Tuple(com.apple.foundationdb.tuple.Tuple) RecordCursorResult(com.apple.foundationdb.record.RecordCursorResult) Pair(org.apache.commons.lang3.tuple.Pair) Assertions.assertFalse(org.junit.jupiter.api.Assertions.assertFalse) RecordCoreException(com.apple.foundationdb.record.RecordCoreException) HashMultiset(com.google.common.collect.HashMultiset) PipelineOperation(com.apple.foundationdb.record.PipelineOperation) 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Example 90 with RecordQueryPlan

use of com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan in project fdb-record-layer by FoundationDB.

the class RankIndexTest method rankPlusRankIn1.

@Test
public void rankPlusRankIn1() throws Exception {
    // Different rank predicates: at most one can be used in the scan.
    RecordQuery query = RecordQuery.newBuilder().setRecordType("BasicRankedRecord").setFilter(Query.and(Query.field("gender").equalsValue("M"), Query.rank(Key.Expressions.field("score").ungrouped()).in(Arrays.asList(0L, 2L)), Query.rank(Key.Expressions.field("score").groupBy(Key.Expressions.field("gender"))).lessThanOrEquals(1L))).build();
    RecordQueryPlan plan = planner.plan(query);
    assertThat(plan, inValues(equalTo(Arrays.asList(0L, 2L)), scoreForRank(containsInAnyOrder(hasToString("__rank_0 = BasicRankedRecord$score.score_for_rank($__in_rank(Field { 'score' None} group 1)__0)")), fetch(filter(rankComparisonFor("score", Comparisons.Type.EQUALS, "__rank_0"), coveringIndexScan(indexScan(allOf(indexName("rank_by_gender"), bounds(hasTupleString("([M, null],[M, 1]]"))))))))));
    try (FDBRecordContext context = openContext()) {
        openRecordStore(context);
        List<String> names = recordStore.executeQuery(plan).map(rec -> TestRecordsRankProto.BasicRankedRecord.newBuilder().mergeFrom(rec.getRecord()).getName()).asList().join();
        assertEquals(Arrays.asList("hector"), names);
        commit(context);
    }
}
Also used : RecordQueryPlan(com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan) FDBRecordContext(com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext) Matchers.hasToString(org.hamcrest.Matchers.hasToString) PlanMatchers.hasTupleString(com.apple.foundationdb.record.query.plan.match.PlanMatchers.hasTupleString) RecordQuery(com.apple.foundationdb.record.query.RecordQuery) Test(org.junit.jupiter.api.Test)

Aggregations

RecordQueryPlan (com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan)373 RecordQuery (com.apple.foundationdb.record.query.RecordQuery)265 FDBRecordContext (com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext)245 Test (org.junit.jupiter.api.Test)228 FDBQueriedRecord (com.apple.foundationdb.record.provider.foundationdb.FDBQueriedRecord)174 Message (com.google.protobuf.Message)167 Query (com.apple.foundationdb.record.query.expressions.Query)123 Tags (com.apple.test.Tags)121 Tag (org.junit.jupiter.api.Tag)121 Index (com.apple.foundationdb.record.metadata.Index)119 RecordQueryPlanner (com.apple.foundationdb.record.query.plan.RecordQueryPlanner)118 Assertions.assertEquals (org.junit.jupiter.api.Assertions.assertEquals)118 QueryComponent (com.apple.foundationdb.record.query.expressions.QueryComponent)117 List (java.util.List)114 MatcherAssert.assertThat (org.hamcrest.MatcherAssert.assertThat)114 ParameterizedTest (org.junit.jupiter.params.ParameterizedTest)113 Expressions.field (com.apple.foundationdb.record.metadata.Key.Expressions.field)107 Arrays (java.util.Arrays)107 Collections (java.util.Collections)106 ArrayList (java.util.ArrayList)100