问题描述
我在一个数据库集合上创建了一个文本索引,每个集合都有自动完成设置。我已索引的收集字段是名字,姓氏和电子邮件。以下是我用来创建文本索引的内容。成功:
{
"mappings": {
"dynamic": false,"fields": {
"email": [
{
"foldDiacritics": false,"maxGrams": 7,"minGrams": 3,"tokenization": "edgeGram","type": "autocomplete"
}
],"firstname": [
{
"foldDiacritics": false,"surname": [
{
"foldDiacritics": false,"type": "autocomplete"
}
]
}
}
}
当我在mongoDB shell中运行以下查询时,当姓字段与查询完全匹配时,我不会收到任何错误,但也不会收到结果:
db.users.aggregate([ { "$search": { "autocomplete":
{ "query": "janson","path": "surname","fuzzy":
{ "maxEdits": 2,"prefixLength": 3 } } } }])
我也尝试使用索引中的所有三个收集字段:
db.users.aggregate([ { "$search": { "autocomplete":
{ "query": "janson","path": ["firstname","surname","email"],"prefixLength": 3 } } } }])
这给了我以下错误:
“由::“路径”引起的mongot ::远程错误必须是字符串(来自“ autocomplete”)”,
我看不到索引定义有什么问题,因为它已由Atlas验证并存在于服务器上。可能是什么问题?
谢谢
编辑
简化查询:
db.groups.aggregate([ { "$search": { "autocomplete": { "query": "test","path": "title" } } }])
Atlas索引规范:
{
"mappings": {
"dynamic": false,"fields": {
"title": [
{
"foldDiacritics": false,"type": "autocomplete"
}
]
}
}
}
Atlas声称它是100%索引的简单文档:
{
"_id": {
"$oid": "5f773d551dd78dfa97219ae2"
},"title": "test"
}