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

Example 1 with CustomQuerySpecification

use of com.blazebit.persistence.impl.query.CustomQuerySpecification 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 CustomQuerySpecification

use of com.blazebit.persistence.impl.query.CustomQuerySpecification 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 CustomQuerySpecification

use of com.blazebit.persistence.impl.query.CustomQuerySpecification 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;
}

Example 4 with CustomQuerySpecification

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

the class PaginatedCriteriaBuilderImpl method getObjectQuery.

@SuppressWarnings("unchecked")
private Map.Entry<TypedQuery<T>, ObjectBuilder<T>> getObjectQuery(boolean normalQueryMode, Set<JoinNode> keyRestrictedLeftJoins, List<JoinNode> entityFunctions) {
    String queryString = getBaseQueryString(null, null);
    Class<?> expectedResultType;
    // When the keyset is included the query obviously produces an array
    if (keysetExtraction || firstResult < maximumCount && withCountQuery && withInlineCountQuery) {
        expectedResultType = Object[].class;
    } else {
        expectedResultType = selectManager.getExpectedQueryResultType();
    }
    Set<ClauseType> clauseExclusions;
    if (isWithInlineIdQuery() && (hasCollections || withForceIdQuery)) {
        clauseExclusions = OBJECT_QUERY_CLAUSE_EXCLUSIONS;
    } else if (hasGroupBy) {
        clauseExclusions = NO_CLAUSE_EXCLUSION;
    } else {
        clauseExclusions = OBJECT_QUERY_WITHOUT_GROUP_BY_EXCLUSIONS;
    }
    TypedQuery<T> query;
    if (normalQueryMode && isEmpty(keyRestrictedLeftJoins, clauseExclusions)) {
        query = (TypedQuery<T>) em.createQuery(queryString, expectedResultType);
        if (isCacheable()) {
            mainQuery.jpaProvider.setCacheable(query);
        }
        boolean externalIdQuery = !isWithInlineIdQuery() && (hasCollections || withForceIdQuery);
        if (!externalIdQuery && firstResult < maximumCount && withCountQuery && withInlineCountQuery && maximumCount != Long.MAX_VALUE) {
            parameterManager.parameterizeQuery(query, getDualNodeAlias());
            query.setParameter(getDualNodeAlias() + "_value_0", 0L);
        } else {
            parameterManager.parameterizeQuery(query);
        }
    } else {
        TypedQuery<T> baseQuery = (TypedQuery<T>) em.createQuery(queryString, expectedResultType);
        Set<String> parameterListNames = parameterManager.getParameterListNames(baseQuery);
        List<String> keyRestrictedLeftJoinAliases = getKeyRestrictedLeftJoinAliases(baseQuery, keyRestrictedLeftJoins, clauseExclusions);
        List<EntityFunctionNode> entityFunctionNodes = getEntityFunctionNodes(baseQuery, entityFunctions);
        boolean shouldRenderCteNodes = renderCteNodes(false);
        List<CTENode> ctes = shouldRenderCteNodes ? getCteNodes(false) : Collections.EMPTY_LIST;
        Collection<Parameter<?>> parameters;
        Map<String, String> valuesParameters = parameterManager.getValuesParameters();
        Map<String, ValuesParameterBinder> valuesBinders = parameterManager.getValuesBinders();
        boolean externalIdQuery = !isWithInlineIdQuery() && (hasCollections || withForceIdQuery);
        JoinNode dualNode = null;
        if (!externalIdQuery && firstResult < maximumCount && withCountQuery && withInlineCountQuery && maximumCount != Long.MAX_VALUE) {
            parameters = new ArrayList<>(parameterManager.getParameters());
            dualNode = createDualNode();
            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 = new HashMap<>(valuesParameters);
            valuesParameters.put(valueParameterName, dualNode.getAlias());
            valuesBinders.put(dualNode.getAlias(), valuesParameterWrapper.getBinder());
        } else {
            parameters = (Collection<Parameter<?>>) (Collection<?>) parameterManager.getParameterImpls();
        }
        QuerySpecification querySpecification = new CustomQuerySpecification(this, baseQuery, parameters, parameterListNames, null, null, keyRestrictedLeftJoinAliases, entityFunctionNodes, mainQuery.cteManager.isRecursive(), ctes, shouldRenderCteNodes, mainQuery.getQueryConfiguration().isQueryPlanCacheEnabled(), null);
        query = new CustomSQLTypedQuery<T>(querySpecification, baseQuery, parameterManager.getCriteriaNameMapping(), parameterManager.getTransformers(), valuesParameters, valuesBinders);
        if (dualNode == null) {
            parameterManager.parameterizeQuery(query);
        } else {
            parameterManager.parameterizeQuery(query, dualNode.getAlias());
            query.setParameter(dualNode.getAlias(), Collections.singleton(0L));
        }
    }
    ObjectBuilder<T> objectBuilder = null;
    ObjectBuilder<T> transformerObjectBuilder = selectManager.getSelectObjectBuilder();
    boolean inlinedCountQuery = firstResult < maximumCount && withCountQuery && withInlineCountQuery;
    if (keysetExtraction) {
        if (transformerObjectBuilder == null) {
            objectBuilder = new KeysetExtractionObjectBuilder<T>(keysetToSelectIndexMapping, keysetMode, maxResults, highestOffset, selectManager.getExpectedQueryResultType() != Object[].class, withExtractAllKeysets, inlinedCountQuery);
        } else {
            objectBuilder = new DelegatingKeysetExtractionObjectBuilder<T>(transformerObjectBuilder, keysetToSelectIndexMapping, keysetMode, maxResults, highestOffset, withExtractAllKeysets, inlinedCountQuery);
        }
        transformerObjectBuilder = objectBuilder;
    } else if (inlinedCountQuery && transformerObjectBuilder != null) {
        transformerObjectBuilder = objectBuilder = new CountExtractionObjectBuilder<>(transformerObjectBuilder);
    }
    if (transformerObjectBuilder != null) {
        query = new ObjectBuilderTypedQuery<>(query, query instanceof AbstractCustomQuery<?> ? null : parameterManager.getCriteriaNameMapping(), transformerObjectBuilder);
    } else if (parameterManager.getCriteriaNameMapping() != null) {
        if (!(query instanceof CustomSQLTypedQuery<?>)) {
            query = new TypedQueryWrapper<>(query, parameterManager.getCriteriaNameMapping());
        }
    }
    return new AbstractMap.SimpleEntry<TypedQuery<T>, ObjectBuilder<T>>(query, objectBuilder);
}

Example 5 with CustomQuerySpecification

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

the class PaginatedCriteriaBuilderImpl method getCountQuery.

private <X> TypedQuery<X> getCountQuery(String countQueryString, Class<X> resultType, boolean normalQueryMode, Set<JoinNode> keyRestrictedLeftJoins, List<JoinNode> entityFunctions, JoinNode dualNode) {
    if (normalQueryMode && isEmpty(keyRestrictedLeftJoins, COUNT_QUERY_CLAUSE_EXCLUSIONS)) {
        TypedQuery<X> countQuery = em.createQuery(countQueryString, resultType);
        if (isCacheable()) {
            mainQuery.jpaProvider.setCacheable(countQuery);
        }
        parameterManager.parameterizeQuery(countQuery);
        return parameterManager.getCriteriaNameMapping() == null ? countQuery : new TypedQueryWrapper<>(countQuery, parameterManager.getCriteriaNameMapping());
    }
    TypedQuery<X> baseQuery = em.createQuery(countQueryString, resultType);
    Set<String> parameterListNames = parameterManager.getParameterListNames(baseQuery);
    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;
    Collection<Parameter<?>> parameters;
    Map<String, String> valuesParameters = parameterManager.getValuesParameters();
    Map<String, ValuesParameterBinder> valuesBinders = parameterManager.getValuesBinders();
    if (dualNode == null) {
        parameters = (Collection<Parameter<?>>) (Collection<?>) parameterManager.getParameterImpls();
    } else {
        parameters = new ArrayList<>(parameterManager.getParameters());
        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 = new HashMap<>(valuesParameters);
        valuesParameters.put(valueParameterName, dualNode.getAlias());
        valuesBinders.put(dualNode.getAlias(), valuesParameterWrapper.getBinder());
    }
    QuerySpecification querySpecification = new CustomQuerySpecification(this, baseQuery, parameters, parameterListNames, null, null, keyRestrictedLeftJoinAliases, entityFunctionNodes, mainQuery.cteManager.isRecursive(), ctes, shouldRenderCteNodes, mainQuery.getQueryConfiguration().isQueryPlanCacheEnabled(), null);
    CustomSQLTypedQuery<X> countQuery = new CustomSQLTypedQuery<X>(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;
}