Searching the text of a collection of documents or free text fields in a database to find those containing a word or combination of words.

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8 views

PostgreSQL query slow when using tsvector and ORDER BY despite having index

Running on a large database (around 1.5G) The following query takes about 70 seconds to run, SELECT x FROM DBText x WHERE x.status = 2 AND x.publishedTime < 4574590406397 AND x.service = ...
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33 views

Getting wrong results from fulltext search in PostgreSQL

This is the query which I am running. The keyword "exhausted" is present only in one of the rows but I am getting all 3 rows. How to avoid the rows where the keyword is not present? DDL: CREATE ...
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0answers
30 views

Full-Text Index menu option not appearing in SQL Server Management Studio AND error when right clicking a table

I am using SQL Server Management Studio Version 11.0.3128.0 and SQL Server 2014 12.0.2361 Web Edition. I have successfully created a Full Text Catalog following these instructions: Cannot use a ...
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1answer
25 views

Fulltext search not working properly

I have pers table and applied combine fulltext index on (prenom, nom) fields. Below are data in that table. persID prenom nom (pers table) -------------------------------- 116 te te ...
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2answers
31 views

Mysql fulltext index search returning weird result

I have ingredient table. I want all those recipes which have certain ingredients. Below is my table structure. Table(ingredient) - Applied fulltext index on ingredient column. ...
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2answers
35 views

SQL Server: Enable Full-Text Search on model Database

I want to use the Microsoft Data-Tier Application framework and its associated .Net API to manage the schema of several SQL Server databases, including the model database. However, when I try deploy ...
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24 views

preventing FullTextSearch from using wildcards

I am using FTS in a sql2008 sql server and had a user complain about some searches breaking. after root cause analysis we found only searches like U.S.A. fail because FTS tries to run wildcard matches ...
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38 views

Error after moving FTData folder

I needed to move my system data files from one logical drive to another one, and I successfully did this on SQL Server 2008 R2 for everything but my Full Text data files. When I start up the SQL ...
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1answer
60 views

Removing some English token words (such as “are” or “or” etc.) from the system stoplist of full text search?

One of our table has full text catalog on it. It contains some data in a language other than English which makes some words such as "are", "or" useful. There is no stop list defined but these words ...
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35 views

Full text catalog missing a keyword

We have a full text catalog on one of our databases but one keyword does not work. e.g: select * from table where name = 'jon' -- result set returns as expected select * from table where ...
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1answer
33 views

HTML column in a full text index?

Using sql server management studio, I want to create a full text index where a certain field is treated as html, tags should be ignored and umlaut-codes should be taken into account. How can I do ...
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1answer
46 views

“Wrong affix file formate for flag” while loading dictionaries from LibreOffice in PostgreSQL 9.3

Trying to get good TEXT SEARCH results out of PostgreSQL in English, German and Dutch made that I downloaded proofing tools of LibreOffice (tried of version 4.3 and 3.3) and iSpell. I placed the files ...
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44 views

Where to download (Dutch) Postgresql Fulltext Search dictionaries

PostgreSQL enables me to configure what dictionaries I would like to use when preforming a fulltext search. The following types of dictionaries can be set: stop ispell simple snowball synonym ...
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2answers
54 views

Fuzzy Matching with Postgresql 9.3

Right now I am using ts_rank (with ts_vector and ts_query) to search strings for relevance. While this is doing a great job for me so far. I was hoping to work in a bit of fuzzieness into the ...
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28 views

Trying to search using MATCH and AGAINST keyword

// Working $query="SELECT * FROM vehicle WHERE MATCH (body_type) AGAINST ('$selected_btype' IN BOOLEAN MODE) OR MATCH(location) AGAINST ('$selected_location' IN BOOLEAN MODE)"; //Not working ...
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0answers
26 views

Skipping stopwords (and indexing small words) for one fulltext index only, in MySQL

I have a rather odd situation where it might be preferable to not use stopwords and to have a value of ft_min_word_len equal to 1. The index in question would be dealing with only a few words per row ...
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2answers
109 views

SQL Server 2012: Full Text Catalog taking up all the disk space

We have created full text catalog and index for a pretty large table. The column on which the index is being created has a datatype of varchar(max). The problem started as soon as we started ...
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51 views

Unsupported languages in Postgres Full text search

My web application supports 3 languages, English, Traditional Chinese, Vietnamese. I understand that Traditional Chinese and Vietnamese is not supported in Postgres' Full Text Search. If I were to go ...
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41 views

innodb fulltext Table handler out of memory

I am running mariadb 10 and have a large innodb table with a fulltext index. When searching I am regularly getting this error ERROR 128 (HY000): Table handler out of memory Is there some way I ...
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14 views

period causes results to not display

I have, as an example, the following in a mysql database table: (28,'man vs. wild','discovery',1) Info on my db: mysql 5.5.37 InnoDB utf8_unicode_ci fulltext When I do a search such as this, I ...
3
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1answer
36 views

is it possible to do a reverse pattern search in a database?

I have 2 database tables with rows containing strings. If I combine two strings, one from each table, as input I need to be able to find where the parts of the strings are located in each table. For ...
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28 views

Row level security and full text searching

How do you approach the problem of resolving access permissions when matching tens of thousands of users with tens of millions of documents containing unstructured data? How do you even build and ...
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0answers
25 views

SQL Server 2012 FTS and weird behavior with numbers

I stumbled on this weird behavior in SQL Server's Full text search. First run the following SQL-code in a database: CREATE TABLE test( id int IDENTITY NOT NULL, value VARCHAR(255), CONSTRAINT ...
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2answers
99 views

Slow fulltext search due to wildly innacurate row estimates

Fulltext queries against this database (storing RT tickets) seem to be taking a very long time to execute. The attachments table (containing the fulltext data) is about 15GB. The database schema is ...
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1answer
71 views

MySQL FullText search on string shorter than 3 chars returns no rows

I have a MySQL table with some addresses in it. Let's say I have the following 2 rows: "10 Fake Street" "101 Fake Street" I'm trying to use fulltext search with MATCH() AGAINST(). I have set ...
2
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1answer
48 views

Which database technologies to consider for a data search application?

I'm designing an application that only does read queries to some database tables (it's a kind of search application); the queried data is updated at night by the system (so speed is less critical, ...
4
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1answer
71 views

Combining full-text and scalar index

Let's say we have a database of 12 million names and addresses that need to be searchable using full-text, but each row contains an integer value too, let's say COMPANYID. The table contains around ...
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29 views

Postgresql Full Text Search sequence of strings

What I'm trying to do is that i have a bunch of html documents in which I need to search for certain groups of strings. I did build a ts_vector for all htmls but I seem not be able to find out if it ...
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0answers
23 views

MySql full text query with truncate sign strange behaviour

I'm implementing a search mechanism on a customer site. I need to find products with "full-text" matching description. However, I noticed a strange behavior. Taking for example two records: (A) ...
2
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0answers
21 views

How do I get information about how an index set was created in Oracle?

A long time ago I created a CTXCAT index with an INDEX SET using ctx_ddl.create_index_set and ctx_ddl.add_index but forgot to save the DDL anywhere and now I need to recreate this index on another ...
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0answers
48 views

Database that supports fast prefix matching

I have a list of potentially millions of url's, e.g. twitter.com/user1, facebook.com/user2. For every incoming other url (10K/s) I want to find the longest prefix match among all the stored url's. ...
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1answer
133 views

Multi-Column Full Text Search Going Very Slow

I have a full text index on a table articles for the columns content, title and keywords When doing the search on each of the columns, like so select count(1) from articles where ...
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1answer
70 views

SQL Server 2008 R2 Express Silent Install - FullText Service Not working

I'm trying to build an installer for an app that installs SQL Server 2008 R2 ADV with fulltext already enabled, but couldn't sort it out. It must support Windows XP, so that's the first OS I'm ...
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58 views

SQL SERVER 2012 Express - Can't change Thesaurus Location

I have a requirement for an application to change the location where SQL SERVER looks for the Global Thesaurus file. According to the official documentation: "You can change the location and names ...
5
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1answer
103 views

Full Text Search Term Casing Affects Results

I have been experiencing a full text problem when searching using CONTAINS. I have the full text catalog accent sensitive setting set to false. The table contains following rows: Microsoft C# ...
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0answers
86 views

How can I decrease FULLTEXT initialization time?

I'm trying to decrease execution time of the a query. Using SHOW PROFILE, FULLTEXT initialization takes about 0.3, which is too high. Other values are at normal level. How can I decrease FULLTEXT ...
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0answers
58 views

postgres - generating documents for full text search taking forever and eating up disk space

We use PostgreSQL and Django-Haystack with Elasticsearch for search on our service, and were thinking of switching to Postgres's built in full text search because of various annoyances using a NoSQL ...
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0answers
119 views

MySQL fulltext selection performance

I have 1.5M rows in a table. Following is the table create code: CREATE TABLE `jobs` ( `id` INT(8) NOT NULL AUTO_INCREMENT, `job_id` VARCHAR(50) NOT NULL DEFAULT '', `title` VARCHAR(255) ...
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0answers
89 views

full text index not being updated

I have a table that has a full text index defined on it. Change tracking is set to 'Automatic' but I can see that 'Table Full-Text Pending Changes' is set to '58429', and recently added rows (for the ...
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1answer
77 views

Mixed search in multiple columns

I have a table which has a particular column of type JSON, where some user's contact information are stored. I can alter the table and add new columns with cached values to increase search performance ...
1
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1answer
57 views

Troubleshooting vanishing fulltext index in SQL Server 2012

I am trying to get to the bottom of some weirdness. Yesterday I enabled a fulltext index on a table in SQL Server 2012 running on one of our LAN servers. I used the Wizard and set the index to update ...
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0answers
49 views

Simple full text search on 5000 rows is very slow

I am running this full text search on an indexed view and it is taking 20 seconds to query across 5000 rows and return 0 rows. I believe it has something to with the forward slashes because all other ...
0
votes
1answer
149 views

mysql fulltext query is very slow

I have one table for User detail in MySql with about 500000 records in it. I have also created fulltext index on firstname, lastname field on this table. but when I am trying to search any single ...
2
votes
1answer
963 views

Does SQL Server 2014 Express, with Advanced Services, actually support full text search?

I've installed SQL Server 2014 Express edition, with advanced services. I was hoping to try out the full-text search features. I read here that full text search is supported by the 2014 express ...
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3answers
205 views

Full table scan even after adding index

i have two tables in Oracle 11g server one is partitioned and another is having a 3GB of data. I've added a composite index on both the tables based on the where clause, in the order it appears. The ...
0
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2answers
239 views

Full Text Catalog not populating

I just created a full text catalog : Enable full text (right click on db => file => enable ful text indexing) Create catalog (Storage => Fulle text Catalog => New Catalog => "FTCatalog" => OK) Add ...
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0answers
93 views

What is a good database design (schema) for an article search engine application?

I'm trying to make a article search engine application. There are about 1 million articles that will be stored in the DB. I've tried looking around for some similar examples, but I couldn't find any ...
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2answers
207 views

Using wildcards in NEAR in a Full Text Search

Let's say I have the following text somewhere in a document stored in an FT indexed table in SQL Server minsitry of education and science I want the query to ensure the words are NEAR, but the ...
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0answers
48 views

Manual Fulltext index population time in SQL Server 2012

I would like to know if there is a way to see how much time did it take SQL Server 2012 to index all the data in a table? In my example I create the table, create the index and set the population to ...
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84 views

CONTAINS does not work with ROW_NUMBER

I have the following query: SELECT RowNumber = ROW_NUMBER() OVER (ORDER BY ID DESC) , ID , Name FROM Clients WHERE CONTAINS (Name, 'Jose') My client table has a single ...