Examples with QuerySpecification com.blazebit.persistence.impl.query.QuerySpecification used on opensource projects

Example 1 with QuerySpecification

use of com.blazebit.persistence.impl.query.QuerySpecification in project blaze-persistence by Blazebit.

the class PaginatedCriteriaBuilderImpl method getIdQuery.

private TypedQuery<Object[]> getIdQuery(String idQueryString, boolean normalQueryMode, Set<JoinNode> keyRestrictedLeftJoins, List<JoinNode> entityFunctions) {
    if (normalQueryMode && isEmpty(keyRestrictedLeftJoins, ID_QUERY_CLAUSE_EXCLUSIONS)) {
        TypedQuery<Object[]> idQuery = em.createQuery(idQueryString, Object[].class);
        if (isCacheable()) {
            mainQuery.jpaProvider.setCacheable(idQuery);
        }
        if (firstResult < maximumCount && withCountQuery && withInlineCountQuery && maximumCount != Long.MAX_VALUE) {
            parameterManager.parameterizeQuery(idQuery, getDualNodeAlias());
            idQuery.setParameter(getDualNodeAlias() + "_value_0", 0L);
        } else {
            parameterManager.parameterizeQuery(idQuery);
        }
        return parameterManager.getCriteriaNameMapping() == null ? idQuery : new TypedQueryWrapper<>(idQuery, parameterManager.getCriteriaNameMapping());
    }
    TypedQuery<Object[]> baseQuery = em.createQuery(idQueryString, Object[].class);
    Set<String> parameterListNames = parameterManager.getParameterListNames(baseQuery);
    List<String> keyRestrictedLeftJoinAliases = getKeyRestrictedLeftJoinAliases(baseQuery, keyRestrictedLeftJoins, ID_QUERY_CLAUSE_EXCLUSIONS);
    List<EntityFunctionNode> entityFunctionNodes = getEntityFunctionNodes(baseQuery, entityFunctions);
    boolean shouldRenderCteNodes = renderCteNodes(false);
    List<CTENode> ctes = shouldRenderCteNodes ? getCteNodes(false) : Collections.EMPTY_LIST;
    QuerySpecification querySpecification = new CustomQuerySpecification(this, baseQuery, parameterManager.getParameterImpls(), parameterListNames, null, null, keyRestrictedLeftJoinAliases, entityFunctionNodes, mainQuery.cteManager.isRecursive(), ctes, shouldRenderCteNodes, mainQuery.getQueryConfiguration().isQueryPlanCacheEnabled(), null);
    CustomSQLTypedQuery<Object[]> idQuery = new CustomSQLTypedQuery<Object[]>(querySpecification, baseQuery, parameterManager.getCriteriaNameMapping(), parameterManager.getTransformers(), parameterManager.getValuesParameters(), parameterManager.getValuesBinders());
    if (firstResult < maximumCount && withCountQuery && withInlineCountQuery && maximumCount != Long.MAX_VALUE) {
        parameterManager.parameterizeQuery(idQuery, getDualNodeAlias());
        idQuery.setParameter(getDualNodeAlias() + "_value_0", 0L);
    } else {
        parameterManager.parameterizeQuery(idQuery);
    }
    return idQuery;
}

Example 2 with QuerySpecification

use of com.blazebit.persistence.impl.query.QuerySpecification in project blaze-persistence by Blazebit.

the class AbstractCommonQueryBuilder method getTypedQuery.

protected TypedQuery<QueryResultType> getTypedQuery(StringBuilder lateralSb, JoinNode lateralJoinNode) {
    // NOTE: This must happen first because it generates implicit joins
    String baseQueryString = getBaseQueryStringWithCheck(lateralSb, lateralJoinNode);
    // We can only use the query directly if we have no ctes, entity functions or hibernate bugs
    Set<JoinNode> keyRestrictedLeftJoins = getKeyRestrictedLeftJoins();
    final boolean needsSqlReplacement = isMainQuery && mainQuery.cteManager.hasCtes() || joinManager.hasEntityFunctions() || !keyRestrictedLeftJoins.isEmpty() || !isMainQuery && hasLimit();
    if (!needsSqlReplacement) {
        TypedQuery<QueryResultType> query = (TypedQuery<QueryResultType>) em.createQuery(baseQueryString, selectManager.getExpectedQueryResultType());
        if (firstResult != 0) {
            query.setFirstResult(firstResult);
        }
        if (maxResults != Integer.MAX_VALUE) {
            query.setMaxResults(maxResults);
        }
        if (isCacheable()) {
            mainQuery.jpaProvider.setCacheable(query);
        }
        parameterManager.parameterizeQuery(query);
        return applyObjectBuilder(query);
    }
    TypedQuery<QueryResultType> baseQuery = (TypedQuery<QueryResultType>) em.createQuery(baseQueryString, selectManager.getExpectedQueryResultType());
    if (isCacheable()) {
        mainQuery.jpaProvider.setCacheable(baseQuery);
    }
    Set<String> parameterListNames = parameterManager.getParameterListNames(baseQuery);
    String limit = null;
    String offset = null;
    // The main query will handle that separately
    if (!isMainQuery && lateralSb == null) {
        if (firstResult != 0) {
            offset = Integer.toString(firstResult);
        }
        if (maxResults != Integer.MAX_VALUE) {
            limit = Integer.toString(maxResults);
        }
    }
    List<String> keyRestrictedLeftJoinAliases = getKeyRestrictedLeftJoinAliases(baseQuery, keyRestrictedLeftJoins, Collections.<ClauseType>emptySet());
    List<EntityFunctionNode> entityFunctionNodes = getEntityFunctionNodes(baseQuery);
    boolean shouldRenderCteNodes = lateralSb == null && renderCteNodes(false);
    List<CTENode> ctes = shouldRenderCteNodes ? getCteNodes(false) : Collections.<CTENode>emptyList();
    QuerySpecification querySpecification = new CustomQuerySpecification(this, baseQuery, parameterManager.getParameterImpls(), parameterListNames, limit, offset, keyRestrictedLeftJoinAliases, entityFunctionNodes, mainQuery.cteManager.isRecursive(), ctes, shouldRenderCteNodes, mainQuery.getQueryConfiguration().isQueryPlanCacheEnabled(), null);
    TypedQuery<QueryResultType> query = new CustomSQLTypedQuery<QueryResultType>(querySpecification, baseQuery, parameterManager.getCriteriaNameMapping(), parameterManager.getTransformers(), parameterManager.getValuesParameters(), parameterManager.getValuesBinders());
    // The main query will use the native mechanism for limit/offset
    if (isMainQuery && lateralSb == null) {
        if (firstResult != 0) {
            query.setFirstResult(firstResult);
        }
        if (maxResults != Integer.MAX_VALUE) {
            query.setMaxResults(maxResults);
        }
    }
    parameterManager.parameterizeQuery(query);
    return applyObjectBuilder(query);
}

Example 3 with QuerySpecification

use of com.blazebit.persistence.impl.query.QuerySpecification in project blaze-persistence by Blazebit.

the class AbstractDeleteCollectionCriteriaBuilder method getExecuteWithReturningQuery.

@Override
protected <R> TypedQuery<ReturningResult<R>> getExecuteWithReturningQuery(TypedQuery<Object[]> exampleQuery, Query baseQuery, String[] returningColumns, ReturningObjectBuilder<R> objectBuilder) {
    if (collectionAttribute.getJoinTable() == null) {
        return super.getExecuteWithReturningQuery(exampleQuery, baseQuery, returningColumns, objectBuilder);
    } else {
        QuerySpecification querySpecification = getQuerySpecification(baseQuery, exampleQuery, returningColumns, objectBuilder, null);
        CustomReturningSQLTypedQuery query = new CustomReturningSQLTypedQuery<R>(querySpecification, exampleQuery, parameterManager.getCriteriaNameMapping(), parameterManager.getTransformers(), parameterManager.getValuesParameters(), parameterManager.getValuesBinders());
        parameterManager.parameterizeQuery(query);
        return query;
    }
}

Example 4 with QuerySpecification

use of com.blazebit.persistence.impl.query.QuerySpecification in project blaze-persistence by Blazebit.

the class AbstractDeleteCollectionCriteriaBuilder method getQuery.

@Override
protected Query getQuery(Map<DbmsModificationState, String> includedModificationStates) {
    if (collectionAttribute.getJoinTable() == null) {
        return super.getQuery(includedModificationStates);
    } else {
        Query baseQuery = em.createQuery(getBaseQueryStringWithCheck(null, null));
        QuerySpecification querySpecification = getQuerySpecification(baseQuery, getCountExampleQuery(), getReturningColumns(), null, includedModificationStates);
        CustomSQLQuery query = new CustomSQLQuery(querySpecification, baseQuery, parameterManager.getCriteriaNameMapping(), parameterManager.getTransformers(), parameterManager.getValuesParameters(), parameterManager.getValuesBinders());
        parameterManager.parameterizeQuery(query);
        return query;
    }
}

Example 5 with QuerySpecification

use of com.blazebit.persistence.impl.query.QuerySpecification in project blaze-persistence by Blazebit.

the class AbstractFullQueryBuilder method getCountQuery.

protected TypedQuery<Long> getCountQuery(String countQueryString, boolean useCountWrapper) {
    // We can only use the query directly if we have no ctes, entity functions or hibernate bugs
    Set<JoinNode> keyRestrictedLeftJoins = getKeyRestrictedLeftJoins();
    Set<JoinNode> alwaysIncludedNodes = getIdentifierExpressionsToUseNonRootJoinNodes();
    List<JoinNode> entityFunctions = null;
    boolean normalQueryMode = !useCountWrapper && (!isMainQuery || (!mainQuery.cteManager.hasCtes() && (entityFunctions = joinManager.getEntityFunctions(COUNT_QUERY_GROUP_BY_CLAUSE_EXCLUSIONS, true, alwaysIncludedNodes)).isEmpty() && keyRestrictedLeftJoins.isEmpty()));
    Collection<Parameter<?>> parameters;
    Map<String, String> valuesParameters;
    Map<String, ValuesParameterBinder> valuesBinders;
    JoinNode dualNode = null;
    if (cachedMaximumCount == Long.MAX_VALUE) {
        if (normalQueryMode && isEmpty(keyRestrictedLeftJoins, COUNT_QUERY_CLAUSE_EXCLUSIONS)) {
            TypedQuery<Long> countQuery = em.createQuery(countQueryString, Long.class);
            if (isCacheable()) {
                mainQuery.jpaProvider.setCacheable(countQuery);
            }
            parameterManager.parameterizeQuery(countQuery);
            return parameterManager.getCriteriaNameMapping() == null ? countQuery : new TypedQueryWrapper<>(countQuery, parameterManager.getCriteriaNameMapping());
        }
        parameters = (Collection<Parameter<?>>) (Collection<?>) parameterManager.getParameterImpls();
        valuesParameters = parameterManager.getValuesParameters();
        valuesBinders = parameterManager.getValuesBinders();
    } else {
        parameters = new ArrayList<>(parameterManager.getParameters());
        valuesParameters = new HashMap<>(parameterManager.getValuesParameters());
        valuesBinders = parameterManager.getValuesBinders();
        dualNode = createDualNode();
        entityFunctions = new ArrayList<>();
        entityFunctions.add(dualNode);
        String valueParameterName = dualNode.getAlias() + "_value_0";
        String[][] parameterNames = new String[1][1];
        parameterNames[0][0] = valueParameterName;
        ParameterManager.ValuesParameterWrapper valuesParameterWrapper = new ParameterManager.ValuesParameterWrapper(dualNode.getJavaType(), parameterNames, new AttributeAccessor[1]);
        parameters.add(new ParameterManager.ParameterImpl<Object>(dualNode.getAlias(), false, null, null, valuesParameterWrapper));
        valuesParameters.put(valueParameterName, dualNode.getAlias());
        valuesBinders.put(dualNode.getAlias(), valuesParameterWrapper.getBinder());
    }
    if (entityFunctions == null) {
        entityFunctions = joinManager.getEntityFunctions(COUNT_QUERY_GROUP_BY_CLAUSE_EXCLUSIONS, true, alwaysIncludedNodes);
    }
    Query baseQuery = em.createQuery(countQueryString);
    Set<String> parameterListNames = parameterManager.getParameterListNames(baseQuery);
    String limit = null;
    String offset = null;
    if (firstResult != 0) {
        offset = Integer.toString(firstResult);
    }
    if (maxResults != Integer.MAX_VALUE) {
        limit = Integer.toString(maxResults);
    }
    List<String> keyRestrictedLeftJoinAliases = getKeyRestrictedLeftJoinAliases(baseQuery, keyRestrictedLeftJoins, COUNT_QUERY_CLAUSE_EXCLUSIONS);
    List<EntityFunctionNode> entityFunctionNodes;
    if (dualNode == null) {
        entityFunctionNodes = getEntityFunctionNodes(baseQuery, entityFunctions);
    } else {
        entityFunctionNodes = getEntityFunctionNodes(baseQuery, entityFunctions, Collections.<JoinNode>emptyList(), false);
    }
    boolean shouldRenderCteNodes = renderCteNodes(false);
    List<CTENode> ctes = shouldRenderCteNodes ? getCteNodes(false) : Collections.EMPTY_LIST;
    QuerySpecification querySpecification = new CustomQuerySpecification(this, baseQuery, parameters, parameterListNames, limit, offset, keyRestrictedLeftJoinAliases, entityFunctionNodes, mainQuery.cteManager.isRecursive(), ctes, shouldRenderCteNodes, mainQuery.getQueryConfiguration().isQueryPlanCacheEnabled(), useCountWrapper ? getCountExampleQuery() : null);
    CustomSQLTypedQuery<Long> countQuery = new CustomSQLTypedQuery<>(querySpecification, baseQuery, parameterManager.getCriteriaNameMapping(), parameterManager.getTransformers(), valuesParameters, valuesBinders);
    if (dualNode == null) {
        parameterManager.parameterizeQuery(countQuery);
    } else {
        parameterManager.parameterizeQuery(countQuery, dualNode.getAlias());
        countQuery.setParameter(dualNode.getAlias(), Collections.singleton(0L));
    }
    return countQuery;
}