1
vote
1answer
28 views

Rebuild the Fulltextcatalog

I have a Database (80GB) that is able to store attachments. These attachments are full text indexed. For some reasons I had to rebuild the fulltext catalog and this 30 hours. Our business users ...
1
vote
0answers
29 views

SQL Server Full-Text Index with Stoplist

I've searched this site and the internet in general and can't find any information which answers my question, so I thought I'd post it here. I have Full Text search operating on a database in SQL ...
0
votes
1answer
139 views

PostgreSQL FTS and Trigram-similarity Query Optimization

I have recently started working on PostgreSQL and I have around 12M rows to handle in which I want to apply Full Text Search. I don't have any prior experience in handling such databases. I have tried ...
0
votes
1answer
70 views

How to repair all indexes in a MySQL database?

My database got corrupted, and now the php app is throwing this error: Invalid query: Can't find FULLTEXT index matching the column list The error is not very useful, since it doesn't say what ...
1
vote
0answers
98 views

Fulltext search returning too many rows

Server: MySQL 5.1.66-0+squeeze1 My problem: I have two databases with the same tables. One is for the testing environment and one for production. When I perform a MATCH AGAINST on the prodution ...
0
votes
2answers
77 views

Full text catalog does not allow me to hit on singular forms

I have created a full text catalog for a column under database name -> "Storage" -> Full Text Catalogs. It is accent sensitive and "default catalog" is set to false. The language for the column ...
1
vote
1answer
90 views

Updating an FTS indexed column returns “Invalid InnoDB FTS Doc ID”

Environment: Ubuntu 12.04 (and 13.04) MySQL 5.6.11 I have a table which has a full text index on it (real table has much more columns and rows): DROP TABLE IF EXISTS articles; CREATE TABLE ...
2
votes
1answer
206 views

Longest prefix search in Oracle

I have a list of phone number prefixes defined for large number of zones (in query defined by gvcode and cgi). I need to efficiently find a longest prefix that matches given number PHONE_NR. I use ...
3
votes
0answers
85 views

custom population of full text index

Is there any way to populate a full text search index without storing the backing information in the database? I don't mean using remote-blob-storage or FILESTREAM types. The backing information is a ...
0
votes
1answer
88 views

Can I use the database and query it while full-text indexing?

I need to index my database, but I need to query it while it is indexing, it may take a long time, can I do that?
0
votes
1answer
42 views

Which text-index I should create for xooops engine to achieve better search results?

In one of projects we use xoops engine to manage content. In mysql slow query log most of queries are following : SELECT p.uid,f.forum_id, p.topic_id, p.poster_name, p.post_time, f.forum_name, ...
1
vote
1answer
1k views

Find fulltext indexes in SQL Server 2008

How do I find a list of tables that have a FULLTEXT INDEX applied to them on a given database? For example, you can enable and disable a FULLTEXT INDEX like this: ALTER FULLTEXT INDEX ON ...
1
vote
1answer
722 views

SQL Server Full-Text Indexer with stoplists/stopwords

As I'm working on a graduate project (Textmining with SQL Server 2012 Semantic Search) I run into a situation where I need to post a question on this website, hoping someone can help me. This ...
1
vote
1answer
511 views

Slow insert with MySQL full-text index

I use a full-text index in a MySQL table, and each insert into this table takes about 3 seconds. It seems that MySQL rebuilds (a part) of the full text index after each insert/update. Is this right? ...
4
votes
2answers
597 views

Slow ORDER BY with LIMIT

I have this query: SELECT * FROM location WHERE to_tsvector('simple',unaccent2("city")) @@ to_tsquery('simple',unaccent2('wroclaw')) order by displaycount I'm happy with it: "Sort ...
5
votes
1answer
1k views

Postgres full text search with multiple columns, why concat in index and not at runtime?

I've come across full text search in postgres in the last few days, and I am a little confused about indexing when searching across multiple columns. The postgres docs talk about creating a ts_vector ...
2
votes
1answer
1k views

Best way to compare strings using pre-built ngrams?

I'm struggling with an n-gram problem and have been hunting the Web for examples to help me out and have noticed n-grams being discussed on this forum. I'm working on a system where we've got scraped ...
1
vote
1answer
891 views

At which frequency run CTXSYS.CTX_DDL.OPTIMIZE_INDEX(…) on a fulltext index?

I've been told to run periodically CTXSYS.CTX_DDL.OPTIMIZE_INDEX(...) on some fulltext indexes, with no more information, in particular at which frequency this task should be run. I guess that it ...
2
votes
2answers
325 views

What does “GIN doesn't support full index scans” mean?

I'm a RDBMS newbie and I have a PostgreSQL database of more than 50 millions lines, growing everyday. There is a column 'text', which contains human-generated text of around 20 words. I need to be ...