Examples with FDBRecordContext com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext used on opensource projects

Example 31 with FDBRecordContext

use of com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext in project fdb-record-layer by FoundationDB.

the class FDBCoveringIndexQueryTest method coveringWithHeader.

/**
 * Verify that an index can be covering if the required fields are in the primary key.
 */
@DualPlannerTest
void coveringWithHeader() throws Exception {
    RecordMetaDataHook hook = metaData -> {
        metaData.getRecordType("MyRecord").setPrimaryKey(field("header").nest(concatenateFields("path", "rec_no")));
        metaData.addIndex("MyRecord", "str_value");
    };
    try (FDBRecordContext context = openContext()) {
        openRecordWithHeader(context, hook);
        saveHeaderRecord(1, "a", 0, "lynx");
        saveHeaderRecord(2, "a", 1, "bobcat");
        saveHeaderRecord(3, "a", 2, "panther");
        saveHeaderRecord(1, "b", 3, "jaguar");
        saveHeaderRecord(2, "b", 4, "leopard");
        saveHeaderRecord(3, "b", 5, "lion");
        saveHeaderRecord(4, "b", 6, "tiger");
        context.commit();
    }
    RecordQuery query = RecordQuery.newBuilder().setRecordType("MyRecord").setFilter(Query.field("str_value").equalsValue("lion")).setRequiredResults(Collections.singletonList(field("header").nest("rec_no"))).build();
    // Covering(Index(MyRecord$str_value [[lion],[lion]]) -> [str_value: KEY[0], header: [path: KEY[1], rec_no: KEY[2]]])
    RecordQueryPlan plan = planner.plan(query);
    BindingMatcher<? extends RecordQueryPlan> planMatcher = coveringIndexPlan().where(indexPlanOf(indexPlan().where(indexName("MyRecord$str_value")).and(scanComparisons(range("[[lion],[lion]]")))));
    assertMatchesExactly(plan, planMatcher);
    assertEquals(-629018945, plan.planHash(PlanHashable.PlanHashKind.LEGACY));
    assertEquals(177826375, plan.planHash(PlanHashable.PlanHashKind.FOR_CONTINUATION));
    assertEquals(344218219, plan.planHash(PlanHashable.PlanHashKind.STRUCTURAL_WITHOUT_LITERALS));
    try (FDBRecordContext context = openContext()) {
        openRecordWithHeader(context, hook);
        try (RecordCursorIterator<FDBQueriedRecord<Message>> cursor = recordStore.executeQuery(plan).asIterator()) {
            while (cursor.hasNext()) {
                FDBQueriedRecord<Message> rec = cursor.next();
                TestRecordsWithHeaderProto.MyRecord.Builder myrec = TestRecordsWithHeaderProto.MyRecord.newBuilder();
                myrec.mergeFrom(Objects.requireNonNull(rec).getRecord());
                assertEquals(3, myrec.getHeader().getRecNo());
            }
        }
        context.commit();
        assertDiscardedNone(context);
    }
    query = RecordQuery.newBuilder().setRecordType("MyRecord").setFilter(Query.field("str_value").startsWith("l")).setRequiredResults(Arrays.asList(field("header").nest(concatenateFields("path", "rec_no")), field("str_value"))).build();
    // Covering(Index(MyRecord$str_value {[l],[l]}) -> [str_value: KEY[0], header: [path: KEY[1], rec_no: KEY[2]]])
    plan = planner.plan(query);
    planMatcher = coveringIndexPlan().where(indexPlanOf(indexPlan().where(indexName("MyRecord$str_value")).and(scanComparisons(range("{[l],[l]}")))));
    assertMatchesExactly(plan, planMatcher);
    assertEquals(-1471907004, plan.planHash(PlanHashable.PlanHashKind.LEGACY));
    assertEquals(-1581115138, plan.planHash(PlanHashable.PlanHashKind.FOR_CONTINUATION));
    assertEquals(1123663700, plan.planHash(PlanHashable.PlanHashKind.STRUCTURAL_WITHOUT_LITERALS));
    try (FDBRecordContext context = openContext()) {
        openRecordWithHeader(context, hook);
        List<Pair<String, Long>> results = new ArrayList<>();
        try (RecordCursorIterator<FDBQueriedRecord<Message>> cursor = recordStore.executeQuery(plan).asIterator()) {
            while (cursor.hasNext()) {
                FDBQueriedRecord<Message> rec = cursor.next();
                TestRecordsWithHeaderProto.MyRecord.Builder myrec = TestRecordsWithHeaderProto.MyRecord.newBuilder();
                myrec.mergeFrom(Objects.requireNonNull(rec).getRecord());
                assertThat(myrec.getStrValue(), startsWith("l"));
                assertThat(myrec.getHeader().hasPath(), is(true));
                assertThat(myrec.getHeader().hasRecNo(), is(true));
                results.add(Pair.of(myrec.getHeader().getPath(), myrec.getHeader().getRecNo()));
            }
        }
        assertEquals(Arrays.asList(Pair.of("b", 2L), Pair.of("b", 3L), Pair.of("a", 1L)), results);
        context.commit();
        assertDiscardedNone(context);
    }
}

Example 32 with FDBRecordContext

use of com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext in project fdb-record-layer by FoundationDB.

the class FDBCoveringIndexQueryTest method coveringMulti.

/**
 * Verify that an index can be covering if more than one field is required and they are in the key.
 */
@DualPlannerTest
void coveringMulti() throws Exception {
    RecordMetaDataHook hook = metaData -> {
        metaData.removeIndex("MySimpleRecord$num_value_unique");
        metaData.addIndex("MySimpleRecord", new Index("multi_index", "num_value_unique", "num_value_2"));
    };
    complexQuerySetup(hook);
    RecordQuery query = RecordQuery.newBuilder().setRecordType("MySimpleRecord").setFilter(Query.field("num_value_unique").greaterThan(990)).setSort(field("num_value_unique")).setRequiredResults(Arrays.asList(field("num_value_unique"), field("num_value_2"))).build();
    // Covering(Index(multi_index ([990],>) -> [num_value_2: KEY[1], num_value_unique: KEY[0], rec_no: KEY[2]])
    RecordQueryPlan plan = planner.plan(query);
    final BindingMatcher<? extends RecordQueryPlan> planMatcher = coveringIndexPlan().where(indexPlanOf(indexPlan().where(indexName("multi_index")).and(scanComparisons(range("([990],>")))));
    assertMatchesExactly(plan, planMatcher);
    assertEquals(291429560, plan.planHash(PlanHashable.PlanHashKind.LEGACY));
    assertEquals(1065678, plan.planHash(PlanHashable.PlanHashKind.FOR_CONTINUATION));
    assertEquals(-80338730, plan.planHash(PlanHashable.PlanHashKind.STRUCTURAL_WITHOUT_LITERALS));
    try (FDBRecordContext context = openContext()) {
        openSimpleRecordStore(context, hook);
        int i = 0;
        try (RecordCursorIterator<FDBQueriedRecord<Message>> cursor = recordStore.executeQuery(plan).asIterator()) {
            while (cursor.hasNext()) {
                FDBQueriedRecord<Message> rec = cursor.next();
                TestRecords1Proto.MySimpleRecord.Builder myrec = TestRecords1Proto.MySimpleRecord.newBuilder();
                myrec.mergeFrom(Objects.requireNonNull(rec).getRecord());
                assertTrue(myrec.getNumValueUnique() > 990);
                assertEquals(myrec.getNumValue2(), (999 - i) % 3);
                i++;
            }
        }
        assertEquals(10, i);
        assertDiscardedNone(context);
    }
}

Example 33 with FDBRecordContext

use of com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext in project fdb-record-layer by FoundationDB.

the class FDBCoveringIndexQueryTest method coveringWithHeaderValue.

/**
 * Verify that an index can be covering for nested fields if the field is in the value of the index.
 */
@DualPlannerTest
void coveringWithHeaderValue() throws Exception {
    RecordMetaDataHook hook = metaData -> {
        metaData.getRecordType("MyRecord").setPrimaryKey(field("header").nest(field("rec_no")));
        metaData.addIndex("MyRecord", new Index("MyRecord$str_value", field("str_value"), field("header").nest(field("path")), IndexTypes.VALUE, Collections.emptyMap()));
    };
    try (FDBRecordContext context = openContext()) {
        openRecordWithHeader(context, hook);
    }
    RecordQuery query = RecordQuery.newBuilder().setRecordType("MyRecord").setFilter(Query.field("str_value").equalsValue("lion")).setRequiredResults(Collections.singletonList(field("header").nest("path"))).build();
    // Covering(Index(MyRecord$str_value [[lion],[lion]]) -> [str_value: KEY[0], header: [path: VALUE[0], rec_no: KEY[1]]])
    RecordQueryPlan plan = planner.plan(query);
    final BindingMatcher<? extends RecordQueryPlan> planMatcher = coveringIndexPlan().where(indexPlanOf(indexPlan().where(indexName("MyRecord$str_value")).and(scanComparisons(range("[[lion],[lion]]")))));
    assertMatchesExactly(plan, planMatcher);
    assertEquals(-629018945, plan.planHash(PlanHashable.PlanHashKind.LEGACY));
    assertEquals(177826375, plan.planHash(PlanHashable.PlanHashKind.FOR_CONTINUATION));
    assertEquals(344218219, plan.planHash(PlanHashable.PlanHashKind.STRUCTURAL_WITHOUT_LITERALS));
}

Example 34 with FDBRecordContext

use of com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext in project fdb-record-layer by FoundationDB.

the class FDBCoveringIndexQueryTest method coveringWithHeaderConcatenatedValue.

/**
 * Verify that an index can be covering for concatenated nested fields in the value of the index.
 */
@DualPlannerTest
void coveringWithHeaderConcatenatedValue() throws Exception {
    RecordMetaDataHook hook = metaData -> {
        metaData.getRecordType("MyRecord").setPrimaryKey(field("header").nest(field("rec_no")));
        metaData.addIndex("MyRecord", new Index("MyRecord$str_value", field("str_value"), field("header").nest(concatenateFields("path", "num")), IndexTypes.VALUE, Collections.emptyMap()));
    };
    try (FDBRecordContext context = openContext()) {
        openRecordWithHeader(context, hook);
    }
    RecordQuery query = RecordQuery.newBuilder().setRecordType("MyRecord").setFilter(Query.field("str_value").equalsValue("leopard")).setRequiredResults(Collections.singletonList(field("header").nest(concatenateFields("num", "path")))).build();
    // Covering(Index(MyRecord$str_value [[leopard],[leopard]]) -> [str_value: KEY[0], header: [num: VALUE[1], path: VALUE[0], rec_no: KEY[1]]])
    RecordQueryPlan plan = planner.plan(query);
    final BindingMatcher<? extends RecordQueryPlan> planMatcher = coveringIndexPlan().where(indexPlanOf(indexPlan().where(indexName("MyRecord$str_value")).and(scanComparisons(range("[[leopard],[leopard]]")))));
    assertMatchesExactly(plan, planMatcher);
    assertEquals(-568702564, plan.planHash(PlanHashable.PlanHashKind.LEGACY));
    assertEquals(1766803018, plan.planHash(PlanHashable.PlanHashKind.FOR_CONTINUATION));
    assertEquals(344218219, plan.planHash(PlanHashable.PlanHashKind.STRUCTURAL_WITHOUT_LITERALS));
}

Example 35 with FDBRecordContext

use of com.apple.foundationdb.record.provider.foundationdb.FDBRecordContext in project fdb-record-layer by FoundationDB.

the class FDBCrossRecordQueryTest method testCrossRecordTypeQuery.

/**
 * Verify that sorting by a common field on a universal index returns all types of records in an index scan.
 */
@DualPlannerTest
public void testCrossRecordTypeQuery() throws Exception {
    try (FDBRecordContext context = openContext()) {
        openUnionRecordStore(context);
        saveSimpleRecord(100, "first", 1);
        saveSimpleRecord(110, "second", 2);
        saveSimpleRecord2("third", 3);
        saveSimpleRecord2("fourth", 4);
        saveSimpleRecord(80, "fifth", 5);
        saveSimpleRecord2("sixth", 6);
        saveSimpleRecord2("seventh", 7);
        saveSimpleRecord(60, "seventh", 7);
        saveSimpleRecord2("seventh again", 7);
        saveSimpleRecord3("eighth", 8);
        commit(context);
    }
    RecordQuery query = RecordQuery.newBuilder().setSort(field("etag")).build();
    // Index(versions <,>)
    RecordQueryPlan plan = planner.plan(query);
    MatcherAssert.assertThat(plan, indexScan(allOf(indexName("versions"), unbounded())));
    assertEquals(1555932709, plan.planHash(PlanHashable.PlanHashKind.LEGACY));
    assertEquals(155792354, plan.planHash(PlanHashable.PlanHashKind.FOR_CONTINUATION));
    assertEquals(155792354, plan.planHash(PlanHashable.PlanHashKind.STRUCTURAL_WITHOUT_LITERALS));
    List<String> names = new ArrayList<>();
    List<Integer> etags = new ArrayList<>();
    try (FDBRecordContext context = openContext()) {
        openUnionRecordStore(context);
        try (RecordCursorIterator<FDBQueriedRecord<Message>> cursor = recordStore.executeQuery(plan).asIterator()) {
            while (cursor.hasNext()) {
                final Message record = cursor.next().getRecord();
                names.add((String) record.getField(record.getDescriptorForType().findFieldByName("str_value_indexed")));
                etags.add((int) record.getField(record.getDescriptorForType().findFieldByName("etag")));
            }
        }
        assertDiscardedNone(context);
    }
    assertEquals(Arrays.asList("first", "second", "third", "fourth", "fifth", "sixth"), names.subList(0, 6));
    assertThat(names.subList(6, 9), containsInAnyOrder("seventh", "seventh", "seventh again"));
    assertEquals(1555932709, plan.planHash(PlanHashable.PlanHashKind.LEGACY));
    assertEquals(155792354, plan.planHash(PlanHashable.PlanHashKind.FOR_CONTINUATION));
    assertEquals(155792354, plan.planHash(PlanHashable.PlanHashKind.STRUCTURAL_WITHOUT_LITERALS));
    assertEquals("eighth", names.get(9));
    assertEquals(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 7, 7, 8), etags);
}