Spring JPA 中的 PostgreSQL 数组运算符

Question

I'm trying to use the array operators such as @> , <@ or $$ . However I got at the symbolic character @ this my request:

@Transactional
    @Modifying
    @Query(
        "update EbOrder o set o.xEbEtablissement= :newEtablissement " +
            "where o.xEbEtablissement = (select distinct u.xEbEtablissement" +
            "from EbOrder o, EbUser u" +
            "where regexp_split_to_array(:listLabels, ',') @> (regexp_split_to_array(o.listLabels,','))" +
            "and u.ebUserNum= :userNum and o.xEbEtablissement = :oldEtablissement)"
    )
    public int updateOrderEtablissementAndLabels(
        @Param("userNum") Integer userNum,
        @Param("oldEtablissement") EbEtablissement oldEtablissement,
        @Param("newEtablissement") EbEtablissement newEtablissement,
        @Param("listLabels") String listLabels
    );

The error is:

Caused by: org.hibernate.QueryException: unexpected char: '@' [update com.adias.mytowereasy.delivery.model.EbOrder o set o.xEbEtablissement= :newEtablissement where o.xEbEtablissement = (select distinct u.xEbEtablissementfrom EbOrder o, com.adias.mytowereasy.model.EbUser uwhere regexp_split_to_array(:listLabels, ',') @> (regexp_split_to_array(o.listLabels,','))and u.ebUserNum= :userNum and o.xEbEtablissement = :oldEtablissement)]
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:235) ~[hibernate-core-5.3.7.Final.jar:5.3.7.Final]
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:143) ~[hibernate-core-5.3.7.Final.jar:5.3.7.Final]
    at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:119) ~[hibernate-core-5.3.7.Final.jar:5.3.7.Final]
    at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:80) ~[hibernate-core-5.3.7.Final.jar:5.3.7.Final]
    at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:153) ~[hibernate-core-5.3.7.Final.jar:5.3.7.Final]

Thanks in advance

Answer 1

Those would work only for native queries. HQL has no concept of Postgres' array operators, and doesn't provide similar operators of its own since not all databases would support them. So tack on a native = true and rewrite the query in pure SQL instead.