Spring json字段中的条件生成器查询
我正在尝试使用Criteria Builder(如)构建一个查询,以便在JSONARRAY字段中查找如下字符串:Spring json字段中的条件生成器查询,spring,postgresql,hibernate,criteria-api,Spring,Postgresql,Hibernate,Criteria Api,我正在尝试使用Criteria Builder(如)构建一个查询,以便在JSONARRAY字段中查找如下字符串: [ { "family_class": "Electric", "family_name": "lightBulb" }, { "family_class": "Others", "family_name": "Oil" } ] @For
[
{
"family_class": "Electric",
"family_name": "lightBulb"
},
{
"family_class": "Others",
"family_name": "Oil"
}
]
@Formula(value = "lower(jsonColumn::text)")
private String residuesToSearch;
一个选项是查找family_name属性,或者检查其中是否包含字符串
if (residues != null && residues.length > 0) {
List<Predicate> predicates = new ArrayList<Predicate>();
for (String residue : residues) {
predicates.add(cb.like(root.get("jsonColumn"), residue.toLowerCase()));
}
cr.select(root).where(predicates.toArray(new Predicate[] {}));
Query<SyncCollectionPoints> q = sess.createQuery(cr);
List<SyncCollectionPoints> result= q.getResultList();
我只想返回jsonColumn字段中包含该字符串的行。我让它这样工作:
[
{
"family_class": "Electric",
"family_name": "lightBulb"
},
{
"family_class": "Others",
"family_name": "Oil"
}
]
@Formula(value = "lower(jsonColumn::text)")
private String residuesToSearch;
只需一个简单的演员表演就可以了你的
根
实体是什么,你能展示它吗?Hello@code Tester你能帮我看一下我的案例吗: