For Solr, Lucene-based syntax "OR" operator doesn't work

• Type: Bug
• Status: Verified
• Resolution: Unresolved
• Affects Version/s: 7.1.X, Master
• Fix Version/s: None
• Component/s: Search Infrastructure > Solr Connector
• Labels:
  • 7.1-could
  • SME-should-7.2
• Fix Priority: 3

Steps to reproduce:

1. Start portal with Solr
2. Create Wiki pages with the following data:

   Wiki 1: title: liferay content: wiki1
   Wiki 2: title: portal content: wiki2
   Wiki 3: title: java content: wiki3

3. Enable "Use Advanced Search Syntax" on both the embedded search and search portlet

Results:

1. Search for title: liferay OR content: wiki2 >> Wiki 1
   • Expected: Wiki 1 and 2
2. Search for title: liferay AND content: wiki1 >> Wiki 1
3. Search for title: liferay OR title: portal >> Wiki 1
   • Expected: Wiki 1 and 2

Tested on:
Tomcat 9.0.6 + MySQL 5.7.22
Portal master Git SHA: 4a53a8456958c7e640572d98d6271afe2cdb4ada
Portal 7.1.x-private Git SHA: 56799e78e19eabdea919074eb84ee190bcc69099