Examples with QueryException com.evolveum.midpoint.repo.sqlbase.QueryException used on opensource projects

Example 16 with QueryException

use of com.evolveum.midpoint.repo.sqlbase.QueryException in project midpoint by Evolveum.

the class QueryInterpreter method interpret.

public RootHibernateQuery interpret(ObjectQuery query, @NotNull Class<? extends Containerable> type, Collection<SelectorOptions<GetOperationOptions>> options, @NotNull PrismContext prismContext, @NotNull RelationRegistry relationRegistry, boolean countingObjects, @NotNull Session session) throws QueryException {
    boolean distinctRequested = GetOperationOptions.isDistinct(SelectorOptions.findRootOptions(options));
    LOGGER.trace("Interpreting query for type '{}' (counting={}, distinctRequested={}), query:\n{}", type, countingObjects, distinctRequested, query);
    InterpretationContext context = new InterpretationContext(this, type, prismContext, relationRegistry, extItemDictionary, session);
    interpretQueryFilter(context, query);
    String rootAlias = context.getHibernateQuery().getPrimaryEntityAlias();
    ResultStyle resultStyle = getResultStyle(context);
    if (countingObjects) {
        interpretPagingAndSorting(context, query, true);
        RootHibernateQuery hibernateQuery = context.getHibernateQuery();
        boolean distinct = distinctRequested && !hibernateQuery.isDistinctNotNecessary();
        hibernateQuery.addProjectionElement(new CountProjectionElement(resultStyle.getCountString(rootAlias), distinct));
        return hibernateQuery;
    }
    /*
           Some databases don't support DISTINCT on BLOBs. In these cases we have to create query like:
           select
             u.oid, u.fullObject, u.stringsCount, ..., u.booleansCount
           from
             RUser u
           where
             u.oid in (select distinct u.oid from RUser u where ...)
         */
    boolean distinctBlobCapable = !repoConfiguration.isUsingOracle() && !repoConfiguration.isUsingSQLServer();
    RootHibernateQuery hibernateQuery = context.getHibernateQuery();
    boolean distinct = distinctRequested && !hibernateQuery.isDistinctNotNecessary();
    hibernateQuery.setDistinct(distinct);
    hibernateQuery.addProjectionElementsFor(resultStyle.getIdentifiers(rootAlias));
    if (distinct && !distinctBlobCapable) {
        String subqueryText = "\n" + hibernateQuery.getAsHqlText(2, true);
        InterpretationContext wrapperContext = new InterpretationContext(this, type, prismContext, relationRegistry, extItemDictionary, session);
        try {
            interpretPagingAndSorting(wrapperContext, query, false);
        } catch (QueryException e) {
            // This fixes cases like MID-6561 and brings in needed joins and wheres
            // to the outer query, but we don't want to burden all queries with it.
            LOGGER.debug("Potentially recoverable '{}'.\n" + "Trying once more after wrapper context interprets the query.", e.toString());
            interpretQueryFilter(wrapperContext, query);
            interpretPagingAndSorting(wrapperContext, query, false);
        }
        RootHibernateQuery wrapperQuery = wrapperContext.getHibernateQuery();
        if (repoConfiguration.isUsingSQLServer() && resultStyle.getIdentifiers("").size() > 1) {
            // using 'where exists' clause
            // FIXME refactor this ugly code
            // to distinguish from the same alias in inner query
            String wrappedRootAlias = "_" + wrapperQuery.getPrimaryEntityAlias();
            wrapperQuery.setPrimaryEntityAlias(wrappedRootAlias);
            wrapperQuery.setResultTransformer(resultStyle.getResultTransformer());
            wrapperQuery.addProjectionElementsFor(resultStyle.getIdentifiers(wrappedRootAlias));
            wrapperQuery.addProjectionElementsFor(resultStyle.getContentAttributes(wrappedRootAlias));
            StringBuilder linkingCondition = new StringBuilder();
            for (String id : resultStyle.getIdentifiers(wrappedRootAlias)) {
                linkingCondition.append(" and ").append(id).append(" = ").append(id.substring(1));
            }
            wrapperQuery.getConditions().add(wrapperQuery.createExists(subqueryText, linkingCondition.toString()));
        } else {
            // using 'in' clause (multi-column only for Oracle)
            String wrappedRootAlias = wrapperQuery.getPrimaryEntityAlias();
            wrapperQuery.setResultTransformer(resultStyle.getResultTransformer());
            wrapperQuery.addProjectionElementsFor(resultStyle.getIdentifiers(wrappedRootAlias));
            wrapperQuery.addProjectionElementsFor(resultStyle.getContentAttributes(wrappedRootAlias));
            List<String> inVariablesList = resultStyle.getIdentifiers(wrapperQuery.getPrimaryEntityAlias());
            String inVariablesString = inVariablesList.size() != 1 ? "(" + StringUtils.join(inVariablesList, ", ") + ")" : inVariablesList.get(0);
            wrapperQuery.getConditions().add(wrapperQuery.createIn(inVariablesString, subqueryText));
        }
        wrapperQuery.addParametersFrom(hibernateQuery.getParameters());
        return wrapperQuery;
    } else {
        interpretPagingAndSorting(context, query, false);
        hibernateQuery.setResultTransformer(resultStyle.getResultTransformer());
        hibernateQuery.addProjectionElementsFor(resultStyle.getContentAttributes(rootAlias));
        if (distinct) {
            // SQL requires this
            hibernateQuery.addProjectionElementsFor(getOrderingAttributes(context));
        }
        return hibernateQuery;
    }
}

Example 17 with QueryException

use of com.evolveum.midpoint.repo.sqlbase.QueryException in project midpoint by Evolveum.

the class QueryInterpreter method addOrdering.

private void addOrdering(InterpretationContext context, ObjectOrdering ordering) throws QueryException {
    ItemPath orderByPath = ordering.getOrderBy();
    // TODO if we'd like to have order-by extension properties, we'd need to provide itemDefinition for them
    ProperDataSearchResult<?> result = context.getItemPathResolver().findProperDataDefinition(context.getRootEntityDefinition(), orderByPath, null, JpaDataNodeDefinition.class, context.getPrismContext());
    if (result == null) {
        LOGGER.error("Unknown path '" + orderByPath + "', couldn't find definition for it, " + "list will not be ordered by it.");
        return;
    }
    JpaDataNodeDefinition targetDefinition = result.getLinkDefinition().getTargetDefinition();
    if (targetDefinition instanceof JpaAnyContainerDefinition) {
        throw new QueryException("Sorting based on extension item or attribute is not supported yet: " + orderByPath);
    } else if (targetDefinition instanceof JpaReferenceDefinition) {
        throw new QueryException("Sorting based on reference is not supported: " + orderByPath);
    } else if (result.getLinkDefinition().isMultivalued()) {
        throw new QueryException("Sorting based on multi-valued item is not supported: " + orderByPath);
    } else if (targetDefinition instanceof JpaEntityDefinition) {
        throw new QueryException("Sorting based on entity is not supported: " + orderByPath);
    } else if (!(targetDefinition instanceof JpaPropertyDefinition)) {
        throw new IllegalStateException("Unknown item definition type: " + result.getClass());
    }
    JpaEntityDefinition baseEntityDefinition = result.getEntityDefinition();
    JpaPropertyDefinition orderByDefinition = (JpaPropertyDefinition) targetDefinition;
    String hqlPropertyPath = context.getItemPathResolver().resolveItemPath(orderByPath, null, context.getPrimaryEntityAlias(), baseEntityDefinition, true).getHqlPath();
    if (RPolyString.class.equals(orderByDefinition.getJpaClass())) {
        hqlPropertyPath += ".orig";
    }
    RootHibernateQuery hibernateQuery = context.getHibernateQuery();
    if (ordering.getDirection() != null) {
        switch(ordering.getDirection()) {
            case ASCENDING:
                hibernateQuery.addOrdering(hqlPropertyPath, OrderDirection.ASCENDING);
                break;
            case DESCENDING:
                hibernateQuery.addOrdering(hqlPropertyPath, OrderDirection.DESCENDING);
                break;
        }
    } else {
        hibernateQuery.addOrdering(hqlPropertyPath, OrderDirection.ASCENDING);
    }
}

Example 18 with QueryException

use of com.evolveum.midpoint.repo.sqlbase.QueryException in project midpoint by Evolveum.

the class ItemPathResolver method findRestrictedEntityDefinition.

/**
 * Given existing entity definition and a request for narrowing it, tries to find refined definition.
 */
public JpaEntityDefinition findRestrictedEntityDefinition(JpaEntityDefinition baseEntityDefinition, QName specificTypeName) throws QueryException {
    QueryDefinitionRegistry registry = QueryDefinitionRegistry.getInstance();
    JpaEntityDefinition specificEntityDefinition = registry.findEntityDefinition(specificTypeName);
    if (!baseEntityDefinition.isAssignableFrom(specificEntityDefinition)) {
        throw new QueryException("Entity " + baseEntityDefinition + " cannot be restricted to " + specificEntityDefinition);
    }
    return specificEntityDefinition;
}

Example 19 with QueryException

use of com.evolveum.midpoint.repo.sqlbase.QueryException in project midpoint by Evolveum.

the class ExistsRestriction method interpret.

@Override
public Condition interpret() throws QueryException {
    HqlDataInstance dataInstance = getItemPathResolver().resolveItemPath(filter.getFullPath(), filter.getDefinition(), getBaseHqlEntity(), false);
    boolean isAll = filter.getFilter() == null || filter.getFilter() instanceof AllFilter;
    JpaDataNodeDefinition jpaDefinition = dataInstance.getJpaDefinition();
    if (!isAll) {
        if (!(jpaDefinition instanceof JpaEntityDefinition)) {
            // partially checked already (for non-null-ness)
            throw new QueryException("ExistsRestriction with non-empty subfilter points to non-entity node: " + jpaDefinition);
        }
        setHqlDataInstance(dataInstance);
        QueryInterpreter interpreter = context.getInterpreter();
        return interpreter.interpretFilter(context, filter.getFilter(), this);
    } else if (jpaDefinition instanceof JpaPropertyDefinition && (((JpaPropertyDefinition) jpaDefinition).isCount())) {
        RootHibernateQuery hibernateQuery = context.getHibernateQuery();
        return hibernateQuery.createSimpleComparisonCondition(dataInstance.getHqlPath(), 0, ">");
    } else {
        // TODO support exists also for other properties (single valued or multi valued)
        throw new UnsupportedOperationException("Exists filter with 'all' subfilter is currently not supported");
    }
}

Example 20 with QueryException

use of com.evolveum.midpoint.repo.sqlbase.QueryException in project midpoint by Evolveum.

the class QueryModelMapping method relationResolver.

/**
 * Returns {@link ItemRelationResolver} for the first component of the provided {@link ItemPath}
 * or throws if the resolver is not found.
 * Relation resolver helps with traversal over all-but-last components of item paths.
 * ItemPath is used instead of QName to encapsulate corner cases like parent segment.
 *
 * @param <TQ> type of target entity path
 * @param <TR> row type related to the target entity path {@link TQ}
 * @throws QueryException if the resolver for the item is not found
 */
@NotNull
public final <TQ extends FlexibleRelationalPathBase<TR>, TR> ItemRelationResolver<Q, R, TQ, TR> relationResolver(ItemPath path) throws QueryException {
    QName itemName = ItemPath.isParent(path.first()) ? PrismConstants.T_PARENT : ItemPath.isObjectReference(path.first()) ? PrismConstants.T_OBJECT_REFERENCE : path.firstName();
    ItemRelationResolver<Q, R, TQ, TR> resolver = getRelationResolver(itemName);
    if (resolver == null) {
        throw new QueryException("Missing relation resolver for '" + itemName + "' in mapping " + getClass().getSimpleName());
    }
    return resolver;
}