mysql

Displaying mysql results as an object?

If I have a database with the structure: ___id_____|____value____ 1 | value1 2 | value2 3 | value3 How can I pull data from this MySQL database in PHP and have it formatted like this: Array ( [0] => stdClass Object ( [id] => 1 [value] => value1 ) [1] => stdClass Object ( [id] => 2 [value] => value2 ) ...

Cassandra or mysql 5 ? Which will be good for future ?

Should I use cassandra in 100,000 users project ? In mysql 5 have full text search and partition table. I'm starting to make Question and answer system like stackoverflow with CodeIgniter. It's move from vbulletin to new system. In old vbulletin have around 100,000 users and total post is around 80,000. In next 3 or 4 year, users and pos...

PHP 2D Array to MySQL Database

I have a PHP 2D array, many keys, each with one value, I need to put this into a MySQL database. The database has 8 fields. Eg. Field1, Field2, Field3, etc. I am trying to ensure value1 => field1, value2 =>field2, value3 => field3 and so on, when one record is full (i.e. after 8 values) a new record should be created for the next 8 valu...

How to merge two tables based on common column and sort the results by date

Hello friends, I have two mysql tables and i want to merge the results of these two tables based on the common column rev_id. The merged results should be sorted by the date of two tables. Please help me. CREATE TABLE `reply` ( `id` int(3) NOT NULL auto_increment, `name` varchar(25) NOT NULL default '', `member_id` varchar(45) N...

MySQL search for a number in VARCHAR field

Hi There, I have a field in my database that contain comma separated values these values are numbers, and I am trying to do a search and count the number of times that a number appears in that column throughout the column, $sql = "SELECT sector_id_csv, COUNT(sector_id_csv) as count FROM cv WHERE sector_id_csv LIKE '$sectorId'"; Thi...

mysql C connector unresolved symbols on Win2k8 but not on XP?

I have a visual C++ 2008 express project which compiles fine on Windows XP with mysql C connector 6.0.2. When I copy the project over to a Windows Server 2008 x64 machine, it gets a bunch of linker errors like "unresolved external symbol _mysql_server_end@0" "unresolved external symbol _mysql_close@4" "unresolved external _mysql_real_con...

MySQL treats ÅÄÖ as AAO?!

These two querys gives me the exact same result: select * from topics where name='Harligt'; select * from topics where name='Härligt'; How is this possible? Seems like mysql translates åäö to aao when it searches. Is there some way to turn this off? I use utf-8 encoding everywhere as far as i know. The same problem occurs both from t...

Suggest me, is it a good idea to make changes in default Joomla code structure?

Suggest me, is it a good idea to make changes in default Joomla code structure? I need to keep an insert query after every insert/update/delete operation in Joomla administrator code. so that i can track the change i have made. Is it good idea to make the changes every where in the default code in Joomla default structure? ...

MySQL query to remove certain email address, all follow similar pattern

Wondered if someone could help me write a MySQL query. I noticed in my email database I have a huge amount of users who got past my automated entry checks who I want to flag. They are all of the form [email protected] where abcdef are random names etc of varible length, then a 3 digit number. I have a field in my table called fld_ba...

SEC_TO_TIME() convert to java.sql.Time error

hi I have a aggregate column present the microsecond, a report(with jasper) have to show HH:mm:ss of this indicator What I did is using SEC_TO_TIME(sum(col)/1000) , but when mapping to java.sql.Time, i doesn't work when the value of hour in result pass over 24(ex:36:33:33) Then I think another way, not using sec_to_time, just mapping ...

selecting data from table based on date .

i have database table like this +-------+--------------+----------+ | id | ip | date | +-------+--------------+----------+ | 505 |192.168.100.1 |2010-04-03| | 252 |192.168.100.5 |2010-03-03| | 426 |192.168.100.6 |2010-03-03| | 201 |192.168.100.7 |2010-04-03| | 211 |192.168.100.10|2010-04-03| +-------+--------...

Several Small, Specific, MySQL Query Cache Questions

I've look all over the web and in the questions asked here about MySQL caching and most of them seem very non-specific about a couple of questions that I have about performance and MySQL query caching. Specifically I want answers to these questions, assume for all questions that I have the query cache enabled and it is of type 2, or "DE...

mysql insert multiple rows, return rows that failed

When I try to insert (lets say) 30 rows in my table. For example INSERT INTO customers(cust_name, cust_address, cust_city, cust_state, cust_zip, cust_country) VALUES( 'Pep E. LaPew', '100 Main Street', 'Los Angeles', 'CA', '90046', 'USA' ), ( 'M. Mart...

How can a not null constraint be dropped?

Let's say there's a table created as follows: create table testTable ( colA int not null ) How would you drop the not null constraint? I'm looking for something along the lines of ALTER TABLE testTable ALTER COLUMN colA DROP NOT NULL; which is what it would look like if I used PostgreSQL. To my amazement, as far as I've been able t...

Need help with a SELECT statement

I express the relationship between records and searchtags that can be attached to records like so: TABLE RECORDS id name TABLE SEARCHTAGS id recordid name I want to be able to SELECT records based on the searchtags that they have. For example, I want to be able to SELECT all records that have searchtags: (1 OR 2 OR 5) AND (6 OR 7)...

Comma separated list of values as different rows, not as fields for one row, for an SQL INSERT

I want to make many inserts in a single SQL statement, pretty much like INSERT INTO xxx SELECT field FROM zzz But with values I don't have in a table, and are just a list of literals. Normal way would be executing one SQL query for each value, but if there exists a standard SQL statement, or MySQL-specific, it would be great. ...

How much time does MySQL need to build an index

How much time does MySQL need to build an index of a table with 30,000,000 entries that are strings of length 256? At the moment it seems to take hours and I don't know how long I should wait till I conclude that MySql simply failed at building an index. ...

(Enterprise GlassFish v3 build 11) Communication link problem (MySQL DB)

I get a communication link failure while application tries to establish a connection with DB. [#|2010-04-08T20:09:57.825+0300|SEVERE|glassfish3.0|javax.enterprise.system.std.com.sun.enterprise.v3.services.impl|_ThreadID=24;_ThreadName=Thread-1;|Cannot connect to database server = com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: ...

Error Log states that I have MySQL connect error, yet script runs fine

Hello All, First, thanks for all the help I've received so far from StackOverflow. I've learned much. Once again, I'm posing a rudimentary question that I've searched on, but cannot find the exact answer to. Here or on PHP.net. It's sort of like what this guy asked, but not exactly: http://stackoverflow.com/questions/288603/mysql-t...

Specifying a variable name in QUERY WHERE clause in JDBC

Could someone please give me a link on how to create a query in JDBC that gets a variable name in the WHERE statement, or write an example, to be more specific, my code looks something like this: private String getLastModified(String url) { String lastModified = null; ResultSet resultSet; String query = "select LastModif...