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.

learn more… | top users | synonyms

0
votes
0answers
10 views

Finding the most commonly used non-stop words in a column

Simply put, I have a postgres column containing ordinary prose and would like to determine the x most commonly used words ("word" being a group of characters deliminated by a space, but not a stop ...
2
votes
0answers
38 views

Implementing faceted search in PostgreSQL

I'm trying to figure out if it is possible to implement a faceted search (like the ones popular in online shops like Amazon) in a reasonably sane and efficient way in PostgreSQL. A faceted search ...
1
vote
2answers
28 views

How can I perform a full-text CONTAINS call across a list of phrases?

I have a list of words/phrases in a table phrases. I have another table with a full-text catalog indexing the description column. I want to populate a table results with a record for each phrase, and ...
3
votes
2answers
45 views

Oracle “matches” multiple columns

I am developing a web service where a term of search is given, then I return all the matches from employees table. In MySQL I used to do the following: SELECT * FROM employees WHERE MATCH(name, ...
1
vote
1answer
17 views

MYSql Full Text Boolean search and relevancy score improvements

I am using a mysql BOOLEAN full text search as shown in the query below and am getting what I think to be bad results that could be more relevant. Query: SELECT phppos_items.name,MATCH (phppos_items....
0
votes
0answers
20 views

What are the best settings of InnoDB for FULLTEXT queries?

This question has been asked before, but I was unable to find the right answer for my situation. We have a local server with Quad core and 32GB RAM dedicated for a single InnoDB database, which ...
0
votes
0answers
10 views

How to weight columns and should I use a dedicated table?

Our website had a full text search that included a title, description, and other fields. Appearing in the title is far more important than appearing in any of the other fields, but the index was ...
1
vote
0answers
23 views

How do I configure Postgresql stop words to reduce to -ism and -ist?

I want to reduce communism and communist to the same stop words. Currently, that's not the way it's working. # select to_tsvector('communism communist'); to_tsvector ----------------...
0
votes
1answer
29 views

How to use FULLTEXT in mysql innoDB?

Sorry, if my question is naive, but it has puzzled me, and cannot benchmark the performance. I want to use the newly introduced feature of innoDB for FULLTEXT index. I wonder what is the difference ...
0
votes
1answer
26 views

SQL Server FTS get tokens from string

What is the query to get the tokens in a string from SQL Server 2008 R2? I need it to highlight results of FREETEXT
1
vote
0answers
14 views

Synonims in SQL Server 2008 R2 FTS

The Search feature on my website is based on SQL Server's Full Text Search (I insert everything relevant to a single table and this table is in the FTS Catalog). We don't have money to buy a ...
2
votes
0answers
52 views

Why does score for mysql boolean match give different score?

I am attempting to use MySQL's fulltext search using Boolean match on multiple columns, with multiple search phrases. I cannot understand the score returned though. The score returned is typically an ...
0
votes
1answer
24 views

FullText Search

We came across an issue using FullText Indexes and SQL 2008 R2, not sure if it's by design or I am missing something. When we search using a fulltext index, I noticed SQL appears to trim leading and ...
1
vote
0answers
24 views

full-text search 7608 (0x80004005) error message debug

Someone tries to run the following line : exec sp_fulltext_column 'tbElementFullTextMvCustomProperty5', 'EMVCP_E_NAME', 'add', 0, NULL and then receives the following error : (1 row(s) affected) ...
4
votes
1answer
78 views

SQL Server: no search results caused by noise words

I've moved a database from SQL Server 2000 to SQL Server 2014 via an import/export through SQL Server 2008 to make it compatible to be imported in 2014. So far that has worked fine. I found out that ...
0
votes
2answers
177 views

Filtering special characters in to_tsquery

This question has been asked before here and here. I want to provide full-text support using postgreSQL via to_tsquery. However, since escaping characters leads to complications, I think it is okay to ...
0
votes
1answer
87 views

postgresql custom TEXT SEARCH CONFIGURATION with tsvector_update_trigger

I would like to use a custom text search configuration with tsvector_update_trigger to be able to update tsv field with french dictionary and unaccent. So I did that : CREATE TEXT SEARCH ...
1
vote
1answer
35 views

MySQL indexing issue when trying to search for a part of a string/word

What we're running into: Engine: MySQL. We've been working on a filter where an user can search for a reference number. However, we've ran into an issue with performance on bigger data sets. We ...
3
votes
1answer
92 views

Full text search in XML documents

I would like to do full-text search in XML documents. However, I can't get matches for attribute values (I get a syntax error if I provide the full attribute value including the : and / characters in ...
0
votes
0answers
78 views

Fulltext match against a number doesn't return any results

I have a table containing two columns indexed for fulltext, for example: CREATE TABLE fulltext_search ( id INT(11) AUTO_INCREMENT NOT NULL, name VARCHAR(255) NOT NULL, url VARCHAR(255) NOT NULL,...
0
votes
0answers
52 views

Timeouts on Full-Text Search when using CONTAINS(*, 'value1 OR value2 OR … valueN')

I have an odd problem when using the Full-Text Search in combination with CONTAINS on all columns (without specifying the column where to search). The problem is when I specify more than 5 or 6 values ...
0
votes
0answers
36 views

SQL-Server Full-Text Index Auto-Population Stops Working

From time to time auto population stops working (SQL Server 2014 11.0.6518). I have to use ALTER FULLTEXT INDEX ON [table] RESUME POPULATION to make it work again. In the SQLFT*.LOG there is no ...
1
vote
1answer
57 views

Full text search error: Invalid locale ID was specified

Query involving full text search is generating the following error message after restoring the database to a new server: Invalid locale ID was specified. Please verify that the locale ID is ...
0
votes
1answer
69 views

Full text indexes on big tables

I have a news website where I store my articles in a table that looks like that: Id title data Where data contains the content of the article and is the biggest column in the database by far. ...
0
votes
1answer
42 views

A plain text based database [closed]

The list of the files on my hard disks has grown up to a million, the more or less, of records, each consisting of a eigth or ten fields, es. support id - file size - full path name - md5 hash - ...
2
votes
1answer
69 views

Return top 100 words from strings

Not sure this is even possible but I was wondering if there is any way of using PostgreSQL to return the top 100 most occurring words from a database column containing strings of varying lengths? The ...
1
vote
2answers
51 views

Fulltext searching on shared hosting - 2000 Entires with around 500 words each

I'm fairly new to db administration and would appreciate some help. I want to host a site which requires full text search on around 2000 items, each with around 500 words each. I need this to be ...
1
vote
1answer
136 views

Database Design and structure

I want to make colleges search system where a user enter any keywords in a search box and we can provide them some institutes with their details like institutes names, belonging hotspots, cities, and ...
4
votes
2answers
166 views

Integrate MySql Full Text searches in CMS

I'm developing my own CMS and using MySql v5.5 DB to save the content items records. Due to a technical limitations, I can't upgrade my database to a newer version that support Full-Text searches on ...
2
votes
1answer
92 views

Optimized MySQL “optional” FULLTEXT search on multiple tables

I need to select data with optional columns in where clause based on client input. my query is like this: SELECT a.id, a.title, b.txt AS b_txt, c.txt AS c_txt FROM a LEFT JOIN b ON a.b_id=b.id ...
0
votes
0answers
42 views

Where to put snowball files to add a snowball stemmer to PostgreSQL database?

I've downloaded Czech snowball stemmer source files (.c, .h files) and compiled them into .o files and I know the correct SQL syntax for adding the dictionary (it's in the docs). I keep getting the ...
3
votes
1answer
107 views

How do I use freetexttable against multiple tables?

I have a database which (amongst other things) contains tables for support tickets. Each ticket has a short summary, as well as a description. Each ticket can have multiple notes, each of which has an ...
7
votes
1answer
240 views

Will a Full-Text Catalog with Track changes: AUTO automatically update if Change Tracking for that table is not enabled?

I have this database table that is suppose to keep the full-text index up-to-date. However I am not seeing it happening at all (no error in the log because the last log I see was when I triggered it ...
1
vote
0answers
44 views

Restoring SQL Server 2012 Enterprise to Web Edition not possible due to full text partitioning

I have an SQL Server 2012 Enterprise database I’m trying to restore to SQL Server 2012 Web Edition instance. I’ve used sys.dm_db_persisted_sku_features to find features to remove before a backup/...
3
votes
2answers
192 views

How to match all words of one column against words in another column

I have two tables. Table A: Company_name ------------------------------- Tata consultancy Infosys tech Atm service Air force firm Table B: Company1_name | Id ----------------...
0
votes
0answers
80 views

Mysql FULLTEXT index not used in Many to Many table join search

I've got a set of data in the Books table, with BookID as the primary key. I've also got Subject and Location tables, each of which is joined to the primary Books table with a Many to Many table. ...
0
votes
1answer
112 views

mysql innodb db full text search FTS_DOC_ID column

I am adding full text search to already existing mysql tables that have primary auto incrementing key of id integer. When I add the full text index I get a warning: /*!50604 ALTER TABLE `...
0
votes
0answers
224 views

Full text search - Search with contains plus wildcard (*) not working properly

Although I know sql, I am a web developer. So this is a pretty new to me. I am working on a bug in a webapp regarding Full text Search, and some inconsistent results with it. You can see what I've ...
0
votes
1answer
38 views

Why my index don't update?

I have created this index ORACLE/VIDEO# create index titolo_index 2 on titolo(titolo) 3 indextype is ctxsys.context 4 ONLINE 5 ; I do a research select * from generale where CONTAINS(...
2
votes
0answers
88 views

Postgresql: Limits of tsquery field

I'm using a tsquery field in order to pre-compute batch searches, but I'm encountering this error while updating a tsquery field on a table: ERROR: row is too big: size 10704, maximum size 8160 ...
1
vote
1answer
70 views

Looking for simple contains method when searching text in postgresql

Im new to the PostgreSQL world so I do apologize in advance for not knowing if there is an obvious answer to these questions. Basically I'm looking for two things. First a simple "contains" based ...
3
votes
1answer
193 views

Faster query with pattern-matching on multiple text fields

I have one Postgres table with more than 20M tuples: first_name | last_name | email ------------------------------------------- bat | man | batman@wayne.com arya | vidal | foo@...
3
votes
1answer
85 views

Why is my tsv index not being used?

I'm trying to get the postgres full-text-search facility functional. I have two tables, one I created just for testing, and the actual one I want to be able to search: Test Table: webarchive=# \d ...
0
votes
1answer
147 views

Slow mysql query full text search tag database

In the database are ~700k images. Each image has its own tag(s). I want to be able to search images by the tags with a full text search query. The query does exactly what I want but it's very slow. ...
0
votes
0answers
100 views

SQL-Server full-text search does not use thesaurus in CONTAINSTABLE unless the FORMSOF is used

I am trying to improve the full-text search capabilities of system. I have created few synonyms in SQL Server Thesaurus according to MSDN article. <expansion> <sub>running</sub> ...
0
votes
0answers
187 views

Full text search of values with a special character (') produces unexpected results

I'm having a problem with MySQL full text search. I have a users table that has a single column, username. The problem appears when I'm trying to search for a user with a special character (') in its ...
1
vote
0answers
83 views

Postgres search and replace

What is the difference between the search in search and replace, (the replace function) and full text search (tsvector) in Postgres? Or, put another way, can tsvector be used in search and replace (...
4
votes
2answers
310 views

GIN index not used when adding order clause

I'm trying to speed up a query that executes three ILIKE queries and reduces these with or (returning the overall count and 10 entries) SELECT *, count(*) OVER() as filtered_count FROM "users" ...
5
votes
1answer
462 views

Slow fulltext search for terms with high occurence

I have a table that contains data that is extracted from text documents. The data is stored in a column called "CONTENT" for which I have created this index using GIN: CREATE INDEX "File_contentIndex"...
1
vote
1answer
154 views

FullTextSearch indexing/searching words with special characters

I'm trying to query FullTextSearch indexed column for hashtags SELECT Bio FROM Users WHERE CONTAINS (Bio,'promoter') SELECT Bio FROM Users WHERE CONTAINS (Bio,'#promoter') both results returns the ...