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I've been a MYSQL user,never tried Postgres .
But MYSQL has bottle neck on fulltext search when the data set is huge.
Started by Shore on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
PostgreSQL fulltext Is....
Another drawback it...
Also see http://stackoverflow.com/questions/942810/php-mysql-fulltext-search ago on large datasets and found that :
MySQL FULLTEXT Is pretty slow.
Into existing systems.
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How do you add a column to a fulltext search in MySQL to indicate which words were included in the search?
Started by Art on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Text index to assist this search use
Create FULLTEXT Index Test ON Table1(ColumnName1)
Much more at MySQL Docs.
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So I’m trying to create a FULLTEXT index on an attribute of a table. Mysql returns ERROR 1214: The used table type doesn’t support FULLTEXT indexes.
Any idea what I’m doing wrong?
Started by Logan on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Are you using InnoDB? The only....
To correct.
The mysql manual says that FULLTEXT indexes can only be created on tables with the mylsam engine except MyISAM then Mysql will throw an error if your trying to add FULLTEXT indexes.
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Ask your Facebook Friends
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MySQL can take care of fulltext search quite well,
but it doesn't highlight the keywords that are searched,
how can I do this most efficiently?
Started by Shore on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Do a search and replace for each search word, replacing each word .
Get the result set from mysql.
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Hi All,
I added a FULLTEXT index on three of my columns, after I already had a bunch of records...does that mean the FULLTEXT won't index them and will only index records inserted after the FULLTEXT index was added? If so, anyway to reindex the whole ...
Started by Jasie on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
It's MySQL's....
Please note however have to rebuild a FULLTEXT index, see http://dev.mysql.com/doc/refman/5.1/en/fulltext-fine-tuning.html for details.
That's true for FULLTEXT indexes as well.
As soon as they are INSERTed).
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Hi,
I'm using MySQL fulltext indexes in a Rails 2.3.2 App. I added the index via native SQL in my migration. But there is a known issue causing problems with the schema.rb. Rails doesn't understand fulltext indexes and tries to create a normal index. ...
Started by ole_berlin on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Two good options, that provide lots the reference: https://rails.lighthouseapp.com/projects/8994/tickets/74-problem-with-tests-and-custom-mysql-fulltext-indexes.
You the trouble of doing it all yourself with mysql.
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I have already posted a question about this, but the situation has changed sufficiently to warrant a new one.
I have a MySQL table called aromaProducts in which there are 7 columns with the FULLTEXT index, and which has three records in it. When I make...
Answer Snippets (Read the full thread at stackoverflow):
If you want to match on(col1,col2) you have to implement another... .
You have to create the fulltext index on all columns you are going to match
If you want to match on (col1,col2,col3) you have to create fulltext index on col1,col2 and col3.
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In order to do FULLTEXT searches on 2-letter phrases such as " PR Manager" and " MS Word", I have added *ft_min_word_len=2* to the MySQL config file (/etc/mysql/my.cnf).
Is there anything particularly wrong with doing this? Will it reduce performance?...
Started by Tom on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
All two-letter combinations will have to be indexed, which will increase the size of your search indexes and slow down the indexing process... .
No, it may only increase your full text dictionary size but won't have a particular impact on search performance .
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I am using MySQL fulltext and PHP (codeigniter) to search a database containing RSS items. Problem is some of these items's titles use underscores instead of spaces. Since MySQL considers underscores as part of a word, these items will never be matched...
Started by DeadHendrix on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
This allows.
It is the first comment on this mySQL manual page ("How I added '-' to the list of word characters underscores in original title field, use a separate field dedicated to fulltext searches.
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I have a pretty simple query that doesn't seem to be giving me the results I'd like. I'm trying to allow the user to search for a resturant by its name, address, or city using a fulltext search.
here is my query:
SELECT ESTAB_NAME, ESTAB_ADDRESS, ESTAB...
Answer Snippets (Read the full thread at stackoverflow):
I think Michael is right, but also, you AGAINST doesn't require a "match all" type of... .
Take a look at http://dev.mysql.com/doc/refman/5.1/en/fulltext-fine-tuning.html for the settings to change.
Doc/refman/5.1/en/fulltext-boolean.html ).
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