How can I Implement Search Query in Mysql

Question

I want to implement a search function in my application based on these tables.

I have 5 fields on search page

1. Input box - Keywords or any word in the title
2. Author - Select Box (author_id will be passed to the function as value)
3. Category Name - Select Box (category_id will be passed to the function as value)
4. themonth - Select Box from 1 - 12
5. theyear - Select Box from 2000 - 2012

I want to create a search query from based upon these rules,

1. Results array will be sorted by insights . read_time , (how many times the article has been read)
2. Only want to get the article . article_id

Pre-mature working working example is here

I am running following query to get but it is not complete https://leading-people.com/search

SELECT article . article_id FROM article WHERE article . is_active = '1' AND ( content LIKE '%%' OR title LIKE '%%' OR tags LIKE '%%') UNION ALL SELECT article . article_id FROM keywords INNER JOIN article WHERE article . is_active = '1' AND ( article . article_id = keywords . article_id AND keywords . keywordtext LIKE '%%')

TABLE article COLUMNS

• article_id (PRIMARY)
• is_active
• title
• themonth
• theyear

TABLE article_author

Comments: This table is just for reference author details is in another table. So these id(s) are just for reference.

COLUMNS

• article_author_id (PRIMARY)
• author_id
• article_id

TABLE article_categories

Comments: This table is just for reference categories details is in another table. So these id(s) are just for reference.

COLUMNS

• article_categories_id (PRIMARY)
• article_id
• categories_id

TABLE insights

Comments: This table is just for reference categories details is in another table. So these id(s) are just for reference.

COLUMNS

• insights_id (PRIMARY)
• article_id
• read_time

TABLE keyword

Comments: This table is just for reference categories details is in another table. So these id(s) are just for reference.

COLUMNS

• keyword_id (PRIMARY)
• article_id
• keywordtext

Hope! I've formatted it correctly so everyone can understand!

Answer 1

This might help you in your quest:

$keyword_mysql= mysql_real_escape_string($keyword);

SELECT article.article_id
FROM article 
LEFT JOIN insights ON(article.article_id=insights.article_id)
WHERE article.is_active = '1' AND (content LIKE '%{$keyword_mysql}%' OR title LIKE '%{$keyword_mysql}%' OR tags LIKE '%{$keyword_mysql}%') 
UNION DISTINCT 
SELECT article.article_id 
FROM keywords INNER JOIN article WHERE article.is_active = '1' AND (article.article_id = keywords.article_id AND keywords.keywordtext LIKE '%{$keyword_mysql}%')
LEFT JOIN insights ON(article.article_id=insights.article_id)
ORDER BY insights.read_time

You also could escape underscores and percents in $keyword_mysql with a backslash.

I'm not sure whether the ordering will work if the read_time column is not part of the selected fields. If not, add it to the selected fields and ORDER BY read_time instead.

Answer 2

After struggling for 6,7 hours, I was amazed that it was so simple :-(

Here is the solution that I came up with

SELECT article . article_id FROM article WHERE $cond ( content LIKE '%$term%' OR title LIKE '%$term%' OR tags LIKE '%$term%') AND article . article_id IN (SELECT article_categories . article_id FROM article_categories WHERE categories_id LIKE '$cat') AND article . article_id IN (SELECT article_author . article_id FROM article_author WHERE author_id LIKE '$author')

UNION ALL SELECT article . article_id FROM keywords INNER JOIN article WHERE $cond ( article . article_id = keywords . article_id AND keywords . keyword LIKE '%$term%') AND article . article_id IN (SELECT article_categories . article_id FROM article_categories WHERE categories_id LIKE '$cat') AND article . article_id IN (SELECT article_author . article_id FROM article_author WHERE author_id LIKE '$author')