CommonTermsQuery should support querying fields other than its source of commonness

[nik9000]

I'd like to be able to do a CommonTermsQuery against multiple fields. One field would determine if the term is common and the others would be ORed together. Something like:

{ "common": {
  "body": {
    "high_freq_operator": "and",
    "fields": ["title", "body"],
    "query": "nelly the elephant not as a cartoon",
  }
} }

would become something like:

{ "bool": {
  "must": {
    "bool": {
      "must": [
        { "bool": {
          "should": [{ "term": { "title": "nelly"}}, { "term": { "body": "nelly"}}],
          "minimum_should_match": 1
        },
        { "bool": {
          "should": [{ "term": { "title": "elephant"}}, { "term": { "body": "elephant"}}],
          "minimum_should_match": 1
        },
        { "bool": {
          "should": [{ "term": { "title": "cartoon"}}, { "term": { "body": "cartoon"}}],
          "minimum_should_match": 1
        }
      ]
    }
  },
  "should": {
    "bool": {
      "should": [
        { "bool": {
          "should": [{ "term": { "title": "the"}}, { "term": { "body": "the"}}],
          "minimum_should_match": 1
        },
        { "bool": {
          "should": [{ "term": { "title": "not"}}, { "term": { "body": "not"}}],
          "minimum_should_match": 1
        },
        { "bool": {
          "should": [{ "term": { "title": "as"}}, { "term": { "body": "as"}}],
          "minimum_should_match": 1
        },
        { "bool": {
          "should": [{ "term": { "title": "a"}}, { "term": { "body": "a"}}],
          "minimum_should_match": 1
        }
      ]
    }
  }
} }

This bug has a Lucene twin: https://issues.apache.org/jira/browse/LUCENE-5435

[s1monw]

this seems very much related to what #5005 does? I think it can support the same behavior?

[nik9000]

Wow, that looks like a much larger effort I should have been paying attention to. I'll set this aside for a while and look there.