indexing for full-text search
Questions tagged [full-text-indexing]
569 questions
0
votes
0 answers
Can't find FULLTEXT index matching the column list in MySQL 5.7
I have an issue when executing a query with using MATCH AGAINST. I am using view for combining tables results and then I run a query on that view. The issue is that the query runs just fine in MariaDB 10.1, but the same query throws this error in…

Katerina
- 99
- 1
- 12
0
votes
1 answer
Can SQL Server use a fulltext index for a LIKE query?
I wish to avoid a fullscan for a query using the LIKE keyword:
SELECT *
FROM MYTABLE
WHERE MYCOLUMN LIKE '%WORD%'` AND PRICE < 3;
With SQL Server, we can define a fulltext index and use it with the CONTAINS clause (and other ones). The problem:…

Olivier Faucheux
- 2,520
- 3
- 29
- 37
0
votes
2 answers
Mysql full text returnig NULL
My mysql code.
CREATE TABLE `videos` (
`id` int(50) NOT NULL,
`user_id` int(250) NOT NULL,
`title` varchar(250) NOT NULL,
`discription` text NOT NULL,
`video_path` varchar(250) NOT NULL,
`tumbnail_path` varchar(250) NOT NULL,
`paid`…

Arun VM
- 447
- 1
- 6
- 17
0
votes
0 answers
Full-text Indexing got stuck with error code 3602 and search was not working
Full-text index got stuck and search was not working. Please help me with this issue. It was fixed with a restart of the SQL Server, but i need to know the root cause of this issue. Kindly add your thoughts on it. If you need any more information…

John VM
- 106
- 15
0
votes
1 answer
How to optimize inverted file for full text indexing?
I am making a simple program where I am using a sample of PDF files to build a full text indexing on my database. The idea is I read each PDF file, extract the words and store them in a hashset.
Then, add each word in a loop to the table in MySQL…

Daredevil
- 1,672
- 3
- 18
- 47
0
votes
1 answer
wordforms on sphinx
If I use the wordforms file, to a word like this:
television > tv
If i search for television, i'd get results with TV on it, but i also want to have television results, is that possible?

williamhrs
- 35
- 7
0
votes
2 answers
Java - Extracting non duplicate words from PDF files
I wrote a simple program in Java using PDFBox to extract words from a PDF file. It reads the text from PDF and extract word by word.
public class Main {
public static void main(String[] args) throws Exception {
try (PDDocument document…

TomCold
- 83
- 6
0
votes
1 answer
How does termFreq function query work in Apache Solr
I am trying to query solr index using its API,
http://localhost:8983/solr/documents/select?defType=func&q=termfreq(contents,'hello)&wt=json
I have indexed 3 documents and 2 documents/records have the term "hello" but it returns all the documents.
{
…

Root
- 955
- 1
- 16
- 39
0
votes
2 answers
Returning all rows of a query where the string values in one column match the string values in another column
I have been searching endlessly for the answer to this problem I have been having:
Our team uses a query that returns a dataset with 13 columns. We want to narrow down the results by returning only rows where any string value in column "Actual…

brisenburg
- 11
- 3
0
votes
1 answer
Why is my MySQL Full Text search not working?
I'm using MySQL FullText search and It works, but I can't get the following result.
Ex:
SELECT * FROM countries WHERE MATCH (name)
AGAINST ("Chinese*" IN BOOLEAN MODE);
It should give me the country record "China", but it doesn't work, any…

Pedro
- 1,459
- 6
- 22
- 40
0
votes
1 answer
Full text index doesn't work at single word?
I have a full text index on many columns of the customer table, one of which columns is fname.
The following query:
select * from customer where fname like 'In%' and code='1409584557891'
returns me the line needed, this customer has an fname of…

George Menoutis
- 6,894
- 3
- 19
- 43
0
votes
1 answer
How to view the index contents of a fulltext index in MySQL?
Is it possible to see the actual content of a FULLTEXT INDEX in MySQL? Or even query the index directly (like SELECT words FROM table.fulltext_index and it would return all indexed words, just to have a example)?
For a regular b-tree index on a…

Foobar
- 303
- 2
- 8
0
votes
1 answer
MySql FullTextSearch in Boolean mode returning returning results shorter than ft_min_word_len
I am using Mysql FTS query as below in Boolean Mode
SELECT org.org_name FROM org
WHERE MATCH org.org_name AGAINST ('an*' in BOOLEAN MODE);
and this gives me the following result
+--------------------------+
| org_name …

HopeKing
- 3,317
- 7
- 39
- 62
0
votes
1 answer
Difference in data retrieved with full-text index search in SQL Server 2012 and SQL Server 2016
There is an issue with full-text search in SQL Server 2012 while it works fine in SQL Server 2016.
I have the following sample images showing the output of the similar query which returns data with underscore in 2016 and in other screen it doesn't…

John VM
- 106
- 15
0
votes
2 answers
MySQL FULL TEXT NOT ACCURATE
I have a table with id, topic ,description, image url as columns.
Entries like
id topic description image_url
1 People and blogs TownHall http://...
2 People and blogs 2 ...... .......
3 Blogs …

Krishna
- 65
- 1
- 9