Examples with IndexCreator org.neo4j.graphdb.schema.IndexCreator used on opensource projects

Example 11 with IndexCreator

use of org.neo4j.graphdb.schema.IndexCreator in project neo4j by neo4j.

the class SchemaAcceptanceTest method constraintAndIndexNamesInTransactionStateMustBeUnique.

@Test
void constraintAndIndexNamesInTransactionStateMustBeUnique() {
    try (Transaction tx = db.beginTx()) {
        tx.schema().constraintFor(label).assertPropertyIsUnique(propertyKey).withName("MySchema").create();
        IndexCreator creator = tx.schema().indexFor(otherLabel).on(secondPropertyKey).withName("MySchema");
        ConstraintViolationException exception = assertThrows(ConstraintViolationException.class, creator::create);
        assertThat(exception).hasMessageContaining("MySchema");
        tx.commit();
    }
}

Example 12 with IndexCreator

use of org.neo4j.graphdb.schema.IndexCreator in project neo4j by neo4j.

the class SchemaAcceptanceTest method indexCreatorThrowsOnUnsupportedIndexType.

@Test
void indexCreatorThrowsOnUnsupportedIndexType() {
    try (var tx = db.beginTx()) {
        IndexCreator indexCreator = tx.schema().indexFor(label).withName("my_index").on(propertyKey);
        assertThatThrownBy(() -> indexCreator.withIndexType(IndexType.LOOKUP).create()).isInstanceOf(ConstraintViolationException.class).hasMessageContaining("Index type LOOKUP is not supported for property indexes.");
    }
}

Example 13 with IndexCreator

use of org.neo4j.graphdb.schema.IndexCreator in project neo4j by neo4j.

the class SchemaAcceptanceTest method createIndex.

public static IndexDefinition createIndex(GraphDatabaseService db, AnyTokens tokens, String name) {
    IndexDefinition index;
    try (var tx = db.beginTx()) {
        IndexCreator creator = tx.schema().indexFor(tokens);
        if (name != null) {
            creator = creator.withName(name);
        }
        index = creator.create();
        tx.commit();
    }
    waitForIndex(db, index);
    return index;
}

Example 14 with IndexCreator

use of org.neo4j.graphdb.schema.IndexCreator in project neo4j by neo4j.

the class SchemaAcceptanceTest method indexNamesCanContainBackTicks.

@Test
void indexNamesCanContainBackTicks() {
    try (Transaction tx = db.beginTx()) {
        IndexCreator creator = tx.schema().indexFor(label).withName("`a`b``").on(propertyKey);
        creator.create();
        tx.commit();
    }
    try (Transaction tx = db.beginTx()) {
        final Iterable<IndexDefinition> indexes = tx.schema().getIndexes();
        assertThat(count(indexes)).isEqualTo(1L);
        assertEquals("`a`b``", indexes.iterator().next().getName());
        assertThat(count(tx.schema().getConstraints())).isEqualTo(0L);
        tx.commit();
    }
}

Example 15 with IndexCreator

use of org.neo4j.graphdb.schema.IndexCreator in project neo4j by neo4j.

the class SchemaAcceptanceTest method indexNamesInTransactionStateMustBeUnique.

@Test
void indexNamesInTransactionStateMustBeUnique() {
    try (Transaction tx = db.beginTx()) {
        final String indexName = "MyIndex";
        tx.schema().indexFor(label).on(propertyKey).withName(indexName).create();
        IndexCreator creator = tx.schema().indexFor(otherLabel).on(secondPropertyKey).withName(indexName);
        ConstraintViolationException exception = assertThrows(ConstraintViolationException.class, creator::create);
        assertThat(exception).hasMessageContaining(alreadyExistsIndexMessage(indexName));
        tx.commit();
    }
}