我们使用 SpringBoot 1.5 有以下工作查询:
@Query(value = "SELECT DISTINCT c FROM Customer c INNER JOIN c.industry i WHERE " +
"c.role IN :roleFilter " +
"AND (:#{#industryFilter.size()} = 1 OR i.id IN :industryFilter) " +
"AND (:searchString IS NULL " +
"OR CONCAT_WS(' ', c.name, c.name2) LIKE CONCAT('%', :searchString, '%') " +
"OR CONCAT_WS(' ', c.name2, c.name) LIKE CONCAT('%', :searchString, '%')) " +
"AND (:includeDeleted = true OR c.deletedDate is NULL)",
countQuery = "SELECT COUNT(DISTINCT c) FROM Customer c INNER JOIN c.industry i WHERE " +
"c.role IN :roleFilter AND " +
"(:#{#industryFilter.size()} = 1 OR i.id IN :industryFilter) " +
"AND (:searchString IS NULL " +
"OR CONCAT_WS(' ', c.name, c.name2) LIKE CONCAT('%', :searchString, '%') " +
"OR CONCAT_WS(' ', c.name2, c.name) LIKE CONCAT('%', :searchString, '%')) " +
"AND (:includeDeleted = true OR c.deletedDate is NULL)")
Page<Customer> findCustomers(@Param("roleFilter") Set<Role> roleFilter,
@Param("industryFilter") Set<String> industryFilter,
@Param("searchString") String searchString,
@Param("includeDeleted") boolean includeDeleted, Pageable pageable);
请注意我们如何将输入传递给 LIKE:CONCAT('%', :searchString, '%')
从升级springBootVersion = '1.5.17.RELEASE'
到springBootVersion = '2.1.3.RELEASE'
(我们使用 Gradle)后,该查询将在运行时失败并出现异常:
org.hibernate.QueryException:未绑定命名参数:includeDeleted
替换CONCAT('%', :searchString, '%')
为%:searchString%
解决问题。
我的问题是:为什么?
通过进入调试模式并遵循完整的调用堆栈,我可以看到从方法调用中正确检索到的参数,如JdkDynamicAopProxy
在第 205 行中观察到的那样,调用Object[] argsToUse = AopProxyUtils.adaptArgumentsIfNecessary(method, args);
导致:
argsToUse = {Object[5]@15562}
0 = {HashSet@15491} size = 4
1 = {HashSet@15628} size = 1
2 = null
3 = {Boolean@15629} false
4 = {PageRequest@15490} "Page request [number: 0, size 20, sort: name: ASC,name2: ASC]"
到目前为止,一切都很好。然后,我们继续,调用的方法也正确解析:
parameterTypes = {Class[5]@15802}
0 = {Class@198} "interface java.util.Set"
1 = {Class@198} "interface java.util.Set"
2 = {Class@311} "class java.lang.String"
3 = {Class@15811} "boolean"
4 = {Class@9875} "interface org.springframework.data.domain.Pageable"
然后我们走得更远,我们到达RepositoryFactorySupport
第 599 行调用private Object doInvoke(MethodInvocation invocation) throws Throwable
,它使用private final Map<Method, RepositoryQuery> queries;
内部类public class QueryExecutorMethodInterceptor implements MethodInterceptor
(我不确定这个变量是何时/如何创建和填充的),其中包含@Query
在我的存储库接口中注释的所有查询。
对于我们的特定情况,它包含一个与我正在调用的查询(findCustomers )匹配的条目(最后一个):
queries = {HashMap@16041} size = 3
0 = {HashMap$Node@16052} "public abstract com.swisscom.psp.domain.Customer com.swisscom.psp.repository.CustomerRepository.getOne(java.lang.String)" ->
1 = {HashMap$Node@16055} "public abstract boolean com.swisscom.psp.repository.CustomerRepository.existsWithRole(java.lang.String,java.util.Set)" ->
2 = {HashMap$Node@16058} "public abstract org.springframework.data.domain.Page com.swisscom.psp.repository.CustomerRepository.findCustomers(java.util.Set,java.util.Set,java.lang.String,boolean,org.springframework.data.domain.Pageable)" ->
并扩展该条目,我可以看到错误来自哪里,:includeDeleted
命名参数的绑定根本不存在:
value = {SimpleJpaQuery@16060}
query = {ExpressionBasedStringQuery@16069}
query = "SELECT DISTINCT c FROM Customer c INNER JOIN c.industry i WHERE c.role IN :roleFilter AND (:__$synthetic$__1 = 1 OR i.id IN :industryFilter) AND (:searchString IS NULL OR CONCAT_WS(' ', c.name, c.name2) LIKE CONCAT('%', :searchString, '%') OR CONCAT_WS(' ', c.name2, c.name) LIKE CONCAT('%', :searchString, '%')) AND (:includeDeleted = true OR c.deletedDate is NULL)"
bindings = {ArrayList@16089} size = 6
0 = {StringQuery$InParameterBinding@16092} "ParameterBinding [name: roleFilter, position: null, expression: null]"
1 = {StringQuery$ParameterBinding@16093} "ParameterBinding [name: __$synthetic$__1, position: null, expression: #industryFilter.size()]"
2 = {StringQuery$InParameterBinding@16094} "ParameterBinding [name: industryFilter, position: null, expression: null]"
3 = {StringQuery$ParameterBinding@16095} "ParameterBinding [name: searchString, position: null, expression: null]"
4 = {StringQuery$ParameterBinding@16096} "ParameterBinding [name: searchString, position: null, expression: null]"
5 = {StringQuery$ParameterBinding@16097} "ParameterBinding [name: searchString, position: null, expression: null]"
现在,我有前面提到的修复程序,但我仍然非常想知道以下内容以供将来参考:
- 何时以及如何
private final Map<Method, RepositoryQuery> queries
创建和填充变量? - 究竟是什么导致了这个错误?我在升级过程中错过了什么吗?我是否在使用/混合不推荐使用的逻辑/错误的逻辑并且应该进一步更改代码?
我们的数据库是 MariaDB 10.1.36
编辑:在所有发生此行为的地方(在某些地方仍然发生),未绑定参数始终是最后一个
EDIT2:别人升级后也有类似的行为,为什么会这样?参考
EDIT3:参考和这种奇怪的行为也被报道了。有趣的是,如果我将已经连接的输入传递给 :searchString(例如:%SOMETHING%),我不会得到异常,如果我离开 %:searchString% 会得到异常。是的,最终移动这些参数可以解决我在绑定时遇到的一些错误。
EDIT4:也许相关的错误?
显然发生了一些奇怪的事情,所以:这个绑定解决方案究竟是如何发生的?
提前致谢,祝您有美好的一天