Long combinations of Boolean operators and truncated terms (wildcards) return 0 results
- Product: Primo
- Product Version: All versions
- Relevant for Installation Type: Multi-Tenant Direct, Dedicated-Direct, Local, TotalCare
General:
There is a limitation on the number of truncated search terms combined with the Boolean operator 'OR'.
Example:
| Search query | Search hits |
|---|---|
| segregation OR isolation | 87,295 |
| segregat* | 29,424 |
| segregat* OR isolat* | 187,609 |
| segregat* OR isolat* OR supermax* | 187,733 |
| segregat* OR isolat* OR supermax* OR violen* | 248,824 |
| segregat* OR isolat* OR supermax* OR violen* OR effect* | 342,675 |
| segregat* OR isolat* OR supermax* OR violen* OR effect* OR organ* | 397,276 |
| segregat* OR isolat* OR supermax* OR violen* OR effect* OR organ* OR media* | 456, 826 |
| segregat* OR isolat* OR supermax* OR violen* OR effect* OR organ* OR media* OR influe* | No Results found |
Details:
The maximum allowed truncated search terms combined with the Boolean operator 'OR' are:
- 7 terms with asterisk and the word length is greater than 2 (such as abb* or ab*c)
- 3 terms with asterisk and the word length is less than 3
- 8 terms with question marks
Explanation:
This limitation was imposed due to performance issues
- Article last edited: 14-Jun-2017