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

Example 31 with SchemaReadCore

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

the class SchemaStatementProcedureTest method schemaStatementsMustOnlyIncludeIndexBackedConstraintNotActualIndex.

@Test
void schemaStatementsMustOnlyIncludeIndexBackedConstraintNotActualIndex() throws IndexNotFoundKernelException, ProcedureException {
    IndexDescriptor index = someOrphanedIndex();
    ConstraintDescriptor constraint = indexBackedConstraint(index);
    index = indexBoundToConstraint(index, constraint);
    InternalIndexState internalIndexState = InternalIndexState.ONLINE;
    SchemaReadCore schemaReadCore = getSchemaReadCore(constraint, index, internalIndexState);
    TokenRead tokenRead = mock(TokenRead.class);
    Collection<BuiltInProcedures.SchemaStatementResult> result = createSchemaStatementResults(schemaReadCore, tokenRead);
    Iterator<BuiltInProcedures.SchemaStatementResult> iter = result.iterator();
    assertTrue(iter.hasNext());
    BuiltInProcedures.SchemaStatementResult next = iter.next();
    assertEquals(SchemaStatementProcedure.SchemaRuleType.CONSTRAINT.name(), next.type);
    assertEquals(CONSTRAINT_NAME, next.name);
    assertFalse(iter.hasNext());
}

Example 32 with SchemaReadCore

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

the class BuiltInProcedures method listConstraints.

@Deprecated(since = "4.2.0", forRemoval = true)
@SystemProcedure
@Description("List all constraints in the database.")
@Procedure(name = "db.constraints", mode = READ, deprecatedBy = "SHOW CONSTRAINTS command")
public Stream<ConstraintResult> listConstraints() {
    if (callContext.isSystemDatabase()) {
        return Stream.empty();
    }
    SchemaReadCore schemaRead = kernelTransaction.schemaRead().snapshot();
    List<ConstraintResult> result = new ArrayList<>();
    final List<ConstraintDescriptor> constraintDescriptors = asList(schemaRead.constraintsGetAll());
    for (ConstraintDescriptor constraint : constraintDescriptors) {
        String description = ConstraintsProcedureUtil.prettyPrint(constraint, kernelTransaction.tokenRead());
        String details = constraint.userDescription(kernelTransaction.tokenRead());
        result.add(new ConstraintResult(constraint.getName(), description, details));
    }
    result.sort(Comparator.comparing(r -> r.name));
    return result.stream();
}