Examples with IndexReadSession org.neo4j.internal.kernel.api.IndexReadSession used on opensource projects

Example 86 with IndexReadSession

use of org.neo4j.internal.kernel.api.IndexReadSession in project neo4j by neo4j.

the class EntityValueIndexCursorTestBase method shouldFindSwappedEntityInPrefixSearch.

@Test
void shouldFindSwappedEntityInPrefixSearch() throws Exception {
    assumeTrue(entityParams.tokenlessEntitySupported());
    // Given
    boolean needsValues = indexParams.indexProvidesStringValues();
    int label = entityParams.entityTokenId(tx, DEFAULT_ENTITY_TOKEN);
    int prop = token.propertyKey(PROP_NAME);
    IndexReadSession index = read.indexReadSession(schemaRead.indexGetForName(PROP_INDEX_NAME));
    try (KernelTransaction tx = beginTransaction();
        var cursor = entityParams.allocateEntityValueIndexCursor(tx, cursors)) {
        // when
        entityParams.entityRemoveToken(tx, strOne, label);
        entityParams.entityAddToken(tx, strOneNoLabel, label);
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.stringPrefix(prop, stringValue("on")));
        // then
        assertTrue(cursor.next());
        assertEquals(strOneNoLabel, entityParams.entityReference(cursor));
    }
}

Example 87 with IndexReadSession

use of org.neo4j.internal.kernel.api.IndexReadSession in project neo4j by neo4j.

the class EntityValueIndexCursorTestBase method shouldPerformStringSuffixSearch.

@Test
void shouldPerformStringSuffixSearch() throws Exception {
    // given
    boolean needsValues = indexParams.indexProvidesStringValues();
    int prop = token.propertyKey(PROP_NAME);
    IndexReadSession index = read.indexReadSession(schemaRead.indexGetForName(PROP_INDEX_NAME));
    IndexValueCapability stringCapability = index.reference().getCapability().valueCapability(ValueCategory.TEXT);
    try (var cursor = entityParams.allocateEntityValueIndexCursor(tx, cursors)) {
        MutableLongSet uniqueIds = new LongHashSet();
        // when
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.stringSuffix(prop, stringValue("e")));
        // then
        assertThat(cursor.numberOfProperties()).isEqualTo(1);
        assertFoundEntitiesAndValue(cursor, uniqueIds, stringCapability, needsValues, strOne, strThree1, strThree2, strThree3);
    }
}

Example 88 with IndexReadSession

use of org.neo4j.internal.kernel.api.IndexReadSession in project neo4j by neo4j.

the class EntityValueIndexCursorTestBase method shouldNotFindEntityWithRemovedLabelInPrefixSearch.

@Test
void shouldNotFindEntityWithRemovedLabelInPrefixSearch() throws Exception {
    assumeTrue(entityParams.tokenlessEntitySupported());
    // Given
    boolean needsValues = indexParams.indexProvidesStringValues();
    int label = entityParams.entityTokenId(tx, DEFAULT_ENTITY_TOKEN);
    int prop = token.propertyKey(PROP_NAME);
    IndexReadSession index = read.indexReadSession(schemaRead.indexGetForName(PROP_INDEX_NAME));
    try (KernelTransaction tx = beginTransaction();
        var cursor = entityParams.allocateEntityValueIndexCursor(tx, cursors)) {
        // when
        entityParams.entityRemoveToken(tx, strOne, label);
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.stringPrefix(prop, stringValue("on")));
        // then
        assertFalse(cursor.next());
    }
}

Example 89 with IndexReadSession

use of org.neo4j.internal.kernel.api.IndexReadSession in project neo4j by neo4j.

the class EntityValueIndexCursorTestBase method shouldFindUpdatedEntityInIndexSeek.

@Test
void shouldFindUpdatedEntityInIndexSeek() throws Exception {
    // Given
    boolean needsValues = false;
    int prop = token.propertyKey(PROP_NAME);
    IndexReadSession index = read.indexReadSession(schemaRead.indexGetForName(PROP_INDEX_NAME));
    try (KernelTransaction tx = beginTransaction();
        var cursor = entityParams.allocateEntityValueIndexCursor(tx, cursors)) {
        // when
        entityParams.entitySetProperty(tx, strOne, prop, "ett");
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.exact(prop, "ett"));
        // then
        assertTrue(cursor.next());
        assertEquals(strOne, entityParams.entityReference(cursor));
    }
}

Example 90 with IndexReadSession

use of org.neo4j.internal.kernel.api.IndexReadSession in project neo4j by neo4j.

the class EntityValueIndexCursorTestBase method shouldNotFindUpdatedEntityInRangeSearch.

@Test
void shouldNotFindUpdatedEntityInRangeSearch() throws Exception {
    // Given
    boolean needsValues = indexParams.indexProvidesStringValues();
    int prop = token.propertyKey(PROP_NAME);
    IndexReadSession index = read.indexReadSession(schemaRead.indexGetForName(PROP_INDEX_NAME));
    try (KernelTransaction tx = beginTransaction();
        var cursor = entityParams.allocateEntityValueIndexCursor(tx, cursors)) {
        // when
        entityParams.entitySetProperty(tx, strOne, prop, "ett");
        entityParams.entitySetProperty(tx, strThree1, prop, "tre");
        entityParams.entitySetProperty(tx, strThree2, prop, "tre");
        entityParams.entitySetProperty(tx, strThree3, prop, "tre");
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.range(prop, "one", true, "three", true));
        // then
        assertFalse(cursor.next());
    }
}