试图根据不同的过滤器和一个集合计算汽车数量.即使我们看到多辆汽车符合要求,查询也会返回0.
fn:count(cts:search(fn:collection("com.cars"), cts:and-query((
cts:element-word-query(xs:QName("exteriorColor"), "red", "wildcarded" ),
cts:element-word-query(xs:QName("interiorColor"), "gray", "wildcarded" )
cts:element-word-query(xs:QName("powerSteering"), json:null(), "wildcarded" )
))))
Run Code Online (Sandbox Code Playgroud)
测试数据:
{
"id":1
"carName":"Toyoto",
"exteriorColor": "red",
"interiorColor": "gray",
"powerStreering": null
}
{
"id":2
"carName":"Toyoto",
"exteriorColor": "blue",
"interiorColor": "gray",
"powerStreering": null
}
{
"id":3
"carName":"Toyoto",
"exteriorColor": "red",
"interiorColor": "gray",
"powerStreering": "yes"
}
{
"id":4
"carName":"Toyoto",
"exteriorColor": "white",
"interiorColor": "gray",
"powerStreering": null
}
{
"id":5
"carName":"Toyoto",
"exteriorColor": "red",
"interiorColor": "gray",
"powerStreering": null
}
Run Code Online (Sandbox Code Playgroud)