left-join

SubSonic 2.2 Left join error

I know this may have been answered but SubSonic 2.2 causes an error in the SQL provider when trying to do a Left join (Left inner join to subsonic) instead of creating SQl like SELECT * FROM table1 LEFT JOIN table 2 ON table1.id = table2.id it creates: SELECT * FROM table1 LEFT INNER JOIN table 2 ON table1.id = table2.id and this ...

MySQL create view problem,

Hello, I'm using a view as a table to join data on 3 tables: create view category_list as select forum_categories.*, max( forum_answer.a_id ) as latest_answer_id from forum_categories left join forum_question on forum_question.catid = forum_categories.id left join forum_answer on forum_answer.question_id = forum_question.id and foru...

SQL LEFT outer join with only some rows from the right?

Hi noble SOuls, I have two tables TABLE_A and TABLE_B having the joined column as the employee number "EMPNO". I want to do a normal left outer join. However, table B has certain records that are soft-deleted (status='D'), I want these to be included. Just to clarify, TABLE_B could have active records(status= null/a/anything) as well ...

Complex SQL query, involving three tables and variable table names

I have two different tables from which I need to pull data blogs which has the following column blog_id and another table which has a variable name, like $blog_id . "_options Which has the following columns: option_id, option_name, option_value For example: option_id = 1, option_name='state', option_value='Texas' option_id =...

MySQL Query with some type of join? Not sure.

If anyone could recommend a good book for learning mySQL as well, that would be great :). I have two tables, tags, codes_tags CREATE TABLE `tags` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `name` varchar(40) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY `name` (`name`) ) ENGINE=InnoDB AUTO_INCRE...

NHibernate 2.1: LEFT JOIN on SubQuery with Alias (ICriteria)

Hello, I am basically trying to create this query with NHibernate ICriteria interface: SomeTable 1:n AnotherTable SomeTable has columns: PrimaryKey, NonAggregateColumn AnotherTable has columns: PrimaryKey, ForeignKey, AnotherNonAggregate, YetAnotherNonAggregate SELECT table1.NonAggregateColumn, subquery.SubQueryAggregate...

How can I select records in MySQL when a foreign key doesn't return anything?

SELECT videos.id, videos.game_id, videos.xbox360, videos.ps3, videos.pc, videos.wii, videos.other, videos.thumbnail, videos.vid_info, videos.sdvid, videos.hdvid, UNIX_TIMESTAMP( videos.date_added ) , game_data.name, AVG( video_ratings.rating ) FROM videos, game_data, video_ratings WHERE videos.game_id = game_data.id AND videos.i...

SQL SELECT from multiple tables

How can I get all products from customers1 and customers2 include their customer names? customer1 table cid name1 1 john 2 joe customer2 table cid name2 p1 sandy p2 linda product table pid cid pname 1 1 phone 2 2 pencil 3 p1 pen 4 p2 paper Result should be like this pid cid pname name1 name2 1 1 phone ...

[Lack of memory] Left join on the same table

Hi guys, i dont remember how to join a table to itself.. my table is: | id | proc | value | kind | | 1 | 1 | foo | a | | 2 | 1 | bar | b | | 3 | 2 | some | a | And i need to retrieve the value col where proc is $proc and kind is both 'a' and 'b'.. well, i need to do have that (looking for proc = 1): | v_a | ...

How to build HQL query, thats joins subtables marked LAZY, automatically?

I have some entity: public class Album extends GenericAuditedEntity { @OneToMany(fetch = FetchType.LAZY) private Set<Item> itemSet = new HashSet<Item>(); } And when i run HQL like this: em.createQuery("select a from Album a").getResults() it produses many SQL queries: One for select data from Album's table. Smth like thi...

left join with special condition on right table

don't know if this is possible.. I'm using sqlite3 schema: CREATE TABLE docs (id integer primary key, name string); CREATE TABLE revs (id integer primary key, doc_id integer, number integer); I want to select every job joined with only one of its revisions, the one with the highest number. How can I achieve this? Right now I'm doing a ...

Linq to entities Left Join

Hi all, I want to achieve the following in Linq to Entities: Get all Enquires that have no Application or the Application has a status != 4 (Completed) select e.* from Enquiry enq left outer join Application app on enq.enquiryid = app.enquiryid where app.Status <> 4 or app.enquiryid is null Has anyone done this before without using...

Rails ActiveRecord :joins with LEFT JOIN instead of INNER JOIN

I have this code User.find(:all, :limit => 10, :joins => :user_points, :select => "users.*, count(user_points.id)", :group => "user_points.user_id") which generates following sql SELECT users.*, count(user_points.id) FROM `users` INNER JOIN `user_points` ON user_points.user_id = users.id GROUP BY u...

SQL DELETE falling over in PHPmyAdmin Cant work out Why, is it because of LEFT OUTER JOIN

SELECT * FROM `User` LEFT OUTER JOIN `freshersdata` ON `User`.`username`=`freshersdata`.`username` WHERE (`freshersdata`.`username` IS null) AND (`User`.`Persistent`!=1) This SQL query is falling over with ( #1064 - You have an error in your SQL syntax; ) message but works perfecly with a SELECT instead of a delete, why is th...

Why can I select something out of left join on a NULL column?(with contrived example to reproduce it locally,probably a bug!)

VERSION I'm using Server version: 5.1.36-community-log MySQL Community Server (GPL) I've finally contrived a easy example to reproduce it easily! setup: create table t1(id integer unsigned,link integer unsigned); create table t2(id integer unsigned auto_increment,primary key(id)); create table t3(id integer unsigned,content varchar(30...

Using multiple left joins to calculate averages and counts

Hi, I am trying to figure out how to use multiple left outer joins to calculate average scores and number of cards. I have the following schema and test data. Each deck has 0 or more scores and 0 or more cards. I need to calculate an average score and card count for each deck. I'm using mysql for convenience, I eventually want this to ...

Efficient MySQL query to find entries in A where not matched in B

I have a couple of tables (products and suppliers) and want to find out which items are no longer listed in the suppliers table. Table uc_products has the products. Table uc_supplier_csv has supplier stocks. uc_products.model joins against uc_suppliers.sku. I am seeing very long queries when trying to identify the stock in the products...

Select * from table1 where JID is not in table2 with table2.uid also not being 11111

I want to select everything from table one, which contains a column JID. These are available things the player can learn. But there is a table2 which has a list of things the player has already learned. So if JID is in table2, it has been learned, and I do not want that selected from table 1. For exampel. table 1 JID Title Descripti...

MySQL: LEFT JOIN.. select all from table 1 even if not there in table 2?

I am joining a few tables for a selection If there isnt anything matching in the 2nd, 3rd, 4th tables I still want to pull the results as long as the first table has a match. I thought LEFT JOIN did this, but it is not. Here is the full query: SELECT cart_product.*, prod_drop_products.prod_drop_product_name, everlon_sheet.*, cart_prod...

Building conditional statement across multiple models (CakePHP 1.2.5)

Let's say I have 3 models: User, Region, Country. User belongsTo Region Region belongsTo Country Each of these models is using the Containable behavior. I'm attempting to find users from the country with code 'US'. Here's what I'm attempting: $users = $this->User->find('all', array( 'conditions' => array('Country.code' => 'US')...