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

Example 16 with IndexReadSession

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

the class EntityValueIndexCursorTestBase method shouldNotFindDeletedEntityInIndexSeek.

@Test
void shouldNotFindDeletedEntityInIndexSeek() 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.entityDelete(tx, strOne);
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.exact(prop, "one"));
        // then
        assertFalse(cursor.next());
    }
}

Example 17 with IndexReadSession

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

the class EntityValueIndexCursorTestBase method shouldFindUpdatedEntityInPrefixSearch.

@Test
void shouldFindUpdatedEntityInPrefixSearch() 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.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.stringPrefix(prop, stringValue("et")));
        // then
        assertTrue(cursor.next());
        assertEquals(strOne, entityParams.entityReference(cursor));
    }
}

Example 18 with IndexReadSession

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

the class EntityValueIndexCursorTestBase method shouldPerformExactLookupInCompositeIndex.

@Test
void shouldPerformExactLookupInCompositeIndex() throws Exception {
    // given
    int firstName = token.propertyKey(FIRSTNAME_PROP_NAME);
    int surname = token.propertyKey(SURNAME_PROP_NAME);
    IndexReadSession index = read.indexReadSession(schemaRead.indexGetForName(COMPOSITE_INDEX_NAME));
    try (var cursor = entityParams.allocateEntityValueIndexCursor(tx, cursors)) {
        MutableLongSet uniqueIds = new LongHashSet();
        // when
        entityParams.entityIndexSeek(tx, index, cursor, unconstrained(), PropertyIndexQuery.exact(firstName, "Joe"), PropertyIndexQuery.exact(surname, "Dalton"));
        // then
        assertThat(cursor.numberOfProperties()).isEqualTo(2);
        assertFoundEntitiesAndNoValue(cursor, 1, uniqueIds);
    }
}

Example 19 with IndexReadSession

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

the class EntityValueIndexCursorTestBase method shouldNotFindDeletedEntityInPrefixSearch.

@Test
void shouldNotFindDeletedEntityInPrefixSearch() 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.entityDelete(tx, strOne);
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.stringPrefix(prop, stringValue("on")));
        // then
        assertFalse(cursor.next());
    }
}

Example 20 with IndexReadSession

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

the class EntityValueIndexCursorTestBase method shouldNotFindUpdatedEntityInCompositeIndex.

@Test
void shouldNotFindUpdatedEntityInCompositeIndex() throws Exception {
    // Given
    boolean needsValues = false;
    int firstName = token.propertyKey(FIRSTNAME_PROP_NAME);
    int surname = token.propertyKey(SURNAME_PROP_NAME);
    IndexReadSession index = read.indexReadSession(schemaRead.indexGetForName(COMPOSITE_INDEX_NAME));
    try (KernelTransaction tx = beginTransaction();
        var cursor = entityParams.allocateEntityValueIndexCursor(tx, cursors)) {
        // when
        entityParams.entitySetProperty(tx, jackDalton, firstName, "Jesse");
        entityParams.entitySetProperty(tx, jackDalton, surname, "James");
        entityParams.entityIndexSeek(tx, index, cursor, unordered(needsValues), PropertyIndexQuery.exact(firstName, "Jack"), PropertyIndexQuery.exact(surname, "Dalton"));
        // then
        assertFalse(cursor.next());
    }
}