[SOLR-6010] Wrong highlighting while querying by date range with wild card in the end range

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 4.0
• Component/s: highlighter, query parsers
• Labels: date highlighting range solr

Environment

java version "1.7.0_45"
Java(TM) SE Runtime Environment (build 1.7.0_45-b18)
Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode)

Linux 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

• Assignee: Unassigned
• Reporter: Mohammad Abul Khaer
• Created: 24/Apr/14 11:50
• Updated: 06/Jul/18 16:43
• Resolved: 06/Jul/18 16:42

Description

Solr is returning wrong highlights when I have a date range query with wild card in the end range. For example my query q is

(porta)+activatedate:[* TO 2014-04-24T09:55:00Z]+expiredate:[2014-04-24T09:55:00Z TO *]

In the above query activatedate, expiredate are date fields. Their definition in schema file is as follows

<field name="activatedate" type="date" indexed="true" stored="false"
           omitNorms="true"/>
<field name="expiredate" type="date" indexed="true" stored="false"
           omitNorms="true"/>

In the query result I am getting wrong highlighting information. Only highlighting result is show below

 "highlighting": {
    "article:3605": {
      "title": [
        "The <em>creative</em> <em>headline</em> of this <em>story</em> <em>really</em> <em>says</em> it <em>all</em>"
      ],
      "summary": [
        "<em>Etiam</em> <em>porta</em> <em>sem</em> <em>malesuada</em> <em>magna</em> <em>mollis</em> <em>euismod</em> <em>aenean</em> <em>eu</em> <em>leo</em> <em>quam</em>. <em>Pellentesque</em> <em>ornare</em> <em>sem</em> <em>lacinia</em> <em>quam</em>."
      ]
    },
    "article:3604": {
      "title": [
        "The <em>creative</em> <em>headline</em> of this <em>story</em> <em>really</em> <em>says</em> it <em>all</em>"
      ],
      "summary": [
        "<em>Etiam</em> <em>porta</em> <em>sem</em> <em>malesuada</em> <em>magna</em> <em>mollis</em> <em>euismod</em> <em>aenean</em> <em>eu</em> <em>leo</em> <em>quam</em>. <em>Pellentesque</em> <em>ornare</em> <em>sem</em> <em>lacinia</em> <em>quam</em>.."
      ]
    }
}

It should highlight only story word but it is highlighting lot other words also. What I noticed that this happens only if I have a wildcard * in the end range. If I change the above query and set a fixed date in the end range instead of * then solr return correct highlights. Modified query is shown below -

(porta)+activatedate:[* TO 2014-04-24T09:55:00Z]+expiredate:[2014-04-24T09:55:00Z TO 3014-04-24T09:55:00Z]

I guess its a bug in SOLR. If I use filter query fq instead of normal query q then highlighting result is OK for both queries.

Update
If I use a specific date instead of * still it returns wrong highlights. This time it highlights numbers also. Say I am searching for the word math then it also highlights number with math. As for example if title of my article is Mathematics 1234 then it highlights 1234 also with math.