Java 如何使用Spring更新或删除@CompoundIndex
我对现有@CompoundIndex的定义如下:Java 如何使用Spring更新或删除@CompoundIndex,java,spring,mongodb,spring-boot,compound-index,Java,Spring,Mongodb,Spring Boot,Compound Index,我对现有@CompoundIndex的定义如下: @CompoundIndex(name = "idx_test_search", unique = true, def = "{type: 1, origin: 1, date: 1}") 现在我需要更改它以添加另一个字段,如: @CompoundIndex(name = "idx_test_search", unique = true, def = "{type: 1, origin: 1, date: 1,
@CompoundIndex(name = "idx_test_search", unique = true,
def = "{type: 1, origin: 1, date: 1}")
现在我需要更改它以添加另一个字段,如:
@CompoundIndex(name = "idx_test_search", unique = true,
def = "{type: 1, origin: 1, date: 1, travelers: 1}")
我希望它会自动应用,就像它是在appstart上创建的一样,但在MongoDb中它仍然是原来的。我可以用新名称创建一个不同的索引,但是我需要删除这个索引。我可以用
@ChangeSet
完成吗?有什么想法吗?我通过mongoTemplate和@Changeset成功做到了这一点:
@ChangeLog(order = "0.0.1")
public class MongoChangelogVersion_0_0_1 {
@ChangeSet(order = "0001", id = "testSearchIndex", author = "djordje.ivanovic@****.com")
public void dropIndex(MongoTemplate mongoTemplate) throws IOException {
List<IndexInfo> indexes = mongoTemplate.indexOps(TestSearch.class).getIndexInfo();
for(IndexInfo indexInfo: indexes){
if(indexInfo.getName().equals("idx_test_search")){
mongoTemplate.indexOps(TestSearch.class).dropIndex("idx_test_search");
break;
}
}
}
}
@ChangeLog(order=“0.0.1”)
公共类MongoChangelogVersion_0_0_1{
@变更集(order=“0001”,id=“testSearchIndex”,author=“djordje.ivanovic@****.com”)
public void dropIndex(MongoTemplate MongoTemplate)引发IOException{
列表索引=mongoTemplate.indexOps(TestSearch.class).getIndexInfo();
for(IndexInfo IndexInfo:index){
if(indexInfo.getName().equals(“idx\u test\u search”)){
indexOps(TestSearch.class).dropIndex(“idx_测试_搜索”);
打破
}
}
}
}
indexOps(TestSearch.class)返回相关表的所有索引列表(在我的例子中是TestSearch),所以在检查索引是否存在后,我们将删除它