Thank you for your reply. I did not know about the sow parameter. By specifying "sow = true" explicitly, it has been confirmed that the search results are as expected.
akihiro:~$curl "http://localhost:28983/solr/bmitems_A/select?q=trigram:aaaa&fq=syo_id:1237&sow=true&echoParams=none" { "responseHeader":{ "zkConnected":true, "status":0, "QTime":5}, "response":{"numFound":0,"start":0,"maxScore":0.0,"docs":[] }} akihiro:~$curl "http://localhost:28983/solr/bmitems_A/select?q=trigram:aaaa&fq=syo_id:1237&echoParams=none" { "responseHeader":{ "zkConnected":true, "status":0, "QTime":7}, "response":{"numFound":1,"start":0,"maxScore":26.75299,"docs":[ { "syo_id":"1237", "trigram":"aaabbbccc", "_version_":1640006469631868928, "timestamp":"2019-07-25T05:20:48.834Z", "s_syo_name":"aaabbbccc"}] }} Thanks, Akihiro. -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html