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  • CONVERT(int, (datepart(month, @search)), (datepart(day, @search)), DateAdd(year, Years.Year - (datepart(year, @search)))

    - by MyHeadHurts
    In the query the top part is getting all the years that will run in the stored procedure. Works fine But at first i just wanted to run the queries for yesterdays date for all the years, but now i realized i want the user to select a date that will be in a parameter @search Booked <= CONVERT(int,DateAdd(year, Years.Year - Year(getdate()), DateAdd(day, DateDiff(day, 2, getdate()), 1))) this should be easy because normally it would just be Booked <= CONVERT(int,@search) but the problem is i want to do something like a Booked <= CONVERT(int, (datepart(month, @search)), (datepart(day, @search)), DateAdd(year, Years.Year - (datepart(year, @search))) would something like that work i dont need to worry about subtracting days but i still need to worry about the years WITH Years AS ( SELECT DATEPART(year, GETDATE()) [Year] UNION ALL SELECT [Year]-1 FROM Years WHERE [Year]>@YearToGet ), q_00 as ( select DIVISION , DYYYY , sum(PARTY) as asofPAX , sum(APRICE) as asofSales from dbo.B101BookingsDetails INNER JOIN Years ON B101BookingsDetails.DYYYY = Years.Year where Booked <= CONVERT(int,DateAdd(year, Years.Year - Year(getdate()), DateAdd(day, DateDiff(day, 2, getdate()), 1))) and DYYYY = Years.Year group by DIVISION, DYYYY, years.year having DYYYY = years.year ),

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  • How to implement full text search in Django?

    - by Jannis
    I would like to implement a search function in a django blogging application. The status quo is that I have a list of strings supplied by the user and the queryset is narrowed down by each string to include only those objects that match the string. See: if request.method == "POST": form = SearchForm(request.POST) if form.is_valid(): posts = Post.objects.all() for string in form.cleaned_data['query'].split(): posts = posts.filter( Q(title__icontains=string) | Q(text__icontains=string) | Q(tags__name__exact=string) ) return archive_index(request, queryset=posts, date_field='date') Now, what if I didn't want do concatenate each word that is searched for by a logical AND but with a logical OR? How would I do that? Is there a way to do that with Django's own Queryset methods or does one have to fall back to raw SQL queries? In general, is it a proper solution to do full text search like this or would you recommend using a search engine like Solr, Whoosh or Xapian. What are there benefits? Thanks for taking the time

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  • Replacement relevance sorting for MySQL fulltext in InnoDB tables?

    - by Giles Smith
    I am using MySQL InnoDB and want to do fulltext style searches on certain columns. What is the best way of sorting the results in order of relevance? I am trying to do something like: SELECT columns, (LENGTH(column_name) - LENGTH(REPLACE(column_name, '%searchterm%', ''))) AS score FROM table WHERE column_name LIKE '%searchterm%' ORDER BY score However this will become quite complicated once I start searching more than 1 column or using more than one keyword. I already have several joins happening so have simplified the query above. Can anyone suggest a better way? I don't want to use any 3rd party software like Sphinx etc

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  • New Facebook FQL table vs. Grap API

    - by PanosJee
    Hello everyone I just read the new User fql table fields at http://developers.facebook.com/docs/reference/fql/user As I can see a lot of the fields have been deprecated such as work_history or books and movies. It is quite essential for my app to get all those fields for my user's friends in a single fql query. If i am not wrong the only way to do this is to get those extra fields using the Graph API by requesting them seperately for every friend of my user. Is there any way to do it in a more efficient way without so many calls? Can I subscribe to real time updates for the request fields for my user's friends (i do not care about the logged in user data)? Thank you a lot

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  • c#/.NET SQLite -- REINDEX not working?

    - by borg17of20
    Hello all, I'm trying to reindex a table in a simple database that I created using SQLite.NET and VS2008. I need to reindex tables after every DELETE command and here is the code snippet I have written (it does not work): SQLiteCommand currentCommand; String tempString = "REINDEX tf_questions"; //String tempString = "REINDEX [main].tf_questions"; //String tempString = "REINDEX main.tf_questions"; currentCommand = new SQLiteCommand(myConnection); currentCommand.CommandText = tempString; currentCommand.ExecuteNonQuery() When run within my program, the code produces no errors, but it also doesn't reindex the "tf_questions" table. In the above example, you will also see the other query strings I've tried that also don't work. Please help, Thanks

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  • How to correctly filter a datatable (datatable.select)

    - by Phil
    Dim dt As New DataTable Dim da As New SqlDataAdapter(s, c) c.Open() If Not IsNothing(da) Then da.Fill(dt) dt.Select("GroupingID = 0") End If GridView1.DataSource = dt GridView1.DataBind() c.Close() When I call da.fill I am inserting all records from my query. I was then hoping to filter them to display only those where the GroupingID is equal to 0. When I run the above code. I am presented with all the data, the filter did not work. Please can you tell me how to get this working correctly. Thanks.

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  • Finding first alphabetic character in a DB2 database field

    - by Paul Alan Taylor
    I'm doing a bit of work which requires me to truncate DB2 character-based fields. Essentially, I need to discard all text which is found at or after the first alphabetic character. e.g. 102048994BLAHBLAHBLAH becomes:- 102048994 In SQL Server, this would be a doddle - PATINDEX would swoop in and save the day. Much celebration would ensue. My problem is that I need to do this in DB2. Worse, the result needs to be used in a join query, also in DB2. I can't find an easy way to do this. Is there a PATINDEX equivalent in DB2? Is there another way to solve this problem? If need be, I'll hardcode 26 chained LOCATE functions to get my result, but if there is a better way, I am all ears.

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  • Generated SQL with PredicateBuilder, LINQPad and operator ANY

    - by Sig. Tolleranza
    I previously asked a question about chaining conditions in Linq To Entities. Now I use LinqKit and everything works fine. I want to see the generated SQL and after reading this answer, I use LinqPad. This is my statement: var predProduct = PredicateBuilder.True<Product>(); var predColorLanguage = PredicateBuilder.True<ColorLanguage>(); predProduct = predProduct.And(p => p.IsComplete); predColorLanguage = predColorLanguage.And(c => c.IdColorEntity.Products.AsQueryable().Any(expr)); ColorLanguages.Where(predColorLanguage).Dump(); The code works in VS2008, compile and produce the correct result set, but in LinqPad, I've the following error: NotSupportedException: The overload query operator 'Any' used is not Supported. How can I see the generated SQL if LINQPad fails?

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  • What is the leading LINQ for JavaScript library?

    - by Tom Tresansky
    I'm looking for a JavaScript library that will allow me to query complex JSON objects using a LINQ-like syntax. A quick search found a couple of promising options that look they might offer what I need: LINQ to JavaScript and jLinq Does any one have any experience using them? What are some pros and cons? Is the performance comparable? Does the function-passing syntax of LINQ to JavaScript offer any hidden benefits (I personally find the syntax of jLinq more appealing on first glance)? What have you found lacking in either project? Did you ever try contacting the authors? How responsive were they? What project is more widely used?

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  • Database design - alternatives for Entity Attribute Value (EAV)

    - by Bob
    Hi, see http://stackoverflow.com/questions/695752/product-table-many-kinds-of-product-each-product-has-many-parameters for similar topic. My question: i want to design a database, that will be used for a production facility of different types of products where each product has its own (number of) parameters. because i want the serial numbers to be in one tabel for overview purposes i have a problem with these different paraeters . One solution could be EAV, but it has its downsides, certainly because we have +- 5 products with every product +- 20.000 serial numbers (records). it looks a bit overkill to me... I just don't know how one could design a database so that you have an attribute in a mastertable that says: 'hey, you could find details of this record in THAT detail-table". 'in a way that you qould easely query the results) currenty i am using Visual Basic & Acces 2007. but i'm going to Visual Basic & MySQL. thanks for your help. Bob

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  • Selecting by observation in R table

    - by Stedy
    I was working through the Rosetta Code example of the knapsack problem in R and I came up with four solutions. What is the best way to output only one of the solutions based on the observation number give in the table? > values[values$value==max(values$value),] I II III value weight volume 2067 9 0 11 54500 25 25 2119 6 5 11 54500 25 25 2171 3 10 11 54500 25 25 2223 0 15 11 54500 25 25 My initial idea was to save this output to a new variable, then query the new variable such as: > newvariable <- values[values$value==max(values$value),] > newvariable2 <- newvariable[2,] > newvariable2 I II III value weight volume 2119 6 5 11 54500 25 25 This gives me the desired output but is there a cleaner way to do it?

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  • JPA 2.0 EclipseLink Check for unique

    - by Parhs
    Hello... I have a collumn as unique=true.. in Exam class.... I found that because transactions are commited automaticaly so to force the commit i use em.commit() However i would like to know how to check if it is unique.Running a query isnt a solution because it may be an instert after checking because of the concurency.... Which is the best way to check for uniqness? List<Exam_Normal> exam_normals = exam.getExam_Normal(); exam.setExam_Normal(null); try { em.persist(exam); em.flush(); Long i = 0L; if (exam_normals != null) { for (Exam_Normal e_n : exam_normals) { i++; e_n.setItem(i); e_n.setId(exam); em.persist(e_n); } } } catch (Exception e) { System.out.print("sfalma--"); } } d

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  • what to do when Bing api provides inaccurate results

    - by hao
    I am trying to use the bing Phonebook search for locations in China, but all the latitude and longitude are inaccurate. Using the following http://api.bing.net/xml.aspx?AppId=appid&Query=nike&Sources=Phonebook&Latitude=39.9883699&Longitude=116.3309665&Radius=30.0&Phonebook.Count=10&Phonebook.Offset=30 I get multiple locations with the same latitude and longitude, and the rounding is off as well. The latitude and longitude will always end with either .x00001 or .0. The results from the pho:LocalSerpUrl http://www.bing.com/shenghuo/default.aspx?what=nike&where=&s_cid=ansPhBkYp01&ac=false&FORM=SOAPGN /pho:LocalSerpUrl Is right, but the results from the returned xml is off. Also it seems users outside of China can't hit that url and get the result. So I am wondering how I can contact bing and inquire about this problem

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  • Using Phing's dbdeploy task with transactions

    - by Gordon
    I am using Phing's dbdeploy task to manage my database schema. This is working fine, as long as there is no errors in my delta file. However, if there is an error, dbdeploy will just run the delta files up to the query with the error and then abort. This causes me some frustration, because I have to manually rollback the entry in the changelog table then. If I don't, dbdeploy will assume the migration was successful on a subsequent try. So the question is, there any way to get dbdeploy use transactions?

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  • MySql order by problem

    - by Sergio
    Hello. I want to list messages that received specific user from other users group by ID's and ordered by last message received. If I use this query: SELECT MAX(id), fromid, toid, message FROM pro_messages WHERE toid=00003 GROUP BY fromid I do not get last message sent from user "fromid" to user "toid" but the first message sent. Can I do that in some other way or I need to do it with two queries or join tables? id - message id fromid - id of user who sent message toid - id of user who receive message (in this case user 00003)

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  • SQL: Return "true" if list of records exists?

    - by User
    An alternative title might be: Check for existence of multiple rows? Using a combination of SQL and C# I want a method to return true if all products in a list exist in a table. If it can be done in all in SQL that would be preferable. I have written a method that returns whether a single productID exists using the following SQL: SELECT productID FROM Products WHERE ProductID = @productID If this returns a row, then the c# method returns true, false otherwise. Now I'm wondering if I have a list of product IDs (not a huge list mind you, normally under 20). How can I write a query that will return a row if all the product id's exist and no row if one or more product id's does not exist? (Maybe something involving "IN" like: SELECT * FROM Products WHERE ProductID IN (1, 10, 100))

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  • Extracting ""((Adj|Noun)+|((Adj|Noun)(Noun-Prep)?)(Adj|Noun))Noun"" from Text (Justeson & Katz, 1995)

    - by ssuhan
    I would like to query if it is possible to extract ((Adj|Noun)+|((Adj|Noun)(Noun-Prep)?)(Adj|Noun))Noun proposed by Justeson and Katz (1995) in R package openNLP? That is, I would like to use this linguistic filtering to extract candidate noun phrases. I cannot well understand its meaning. Could you do me a favor to explain it or transform such representation into R language. Many thanks. Maybe we can start the sample code from: library("openNLP") acq <- "This paper describes a novel optical thread plug gauge (OTPG) for internal thread inspection using machine vision. The OTPG is composed of a rigid industrial endoscope, a charge-coupled device camera, and a two degree-of-freedom motion control unit. A sequence of partial wall images of an internal thread are retrieved and reconstructed into a 2D unwrapped image. Then, a digital image processing and classification procedure is used to normalize, segment, and determine the quality of the internal thread." acqTag <- tagPOS(acq) acqTagSplit = strsplit(acqTag," ")

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  • JPQL / SQL: How to select * from a table with group by on a single column?

    - by DavidD
    I would like to select every column of a table, but want to have distinct values on a single attribute of my rows (City in the example). I don't want extra columns like counts or anything, just a limited number of results, and it seems like it is not possible to directly LIMIT results in a JPQL query. Original table: ID | Name | City --------------------------- 1 | John | NY 2 | Maria | LA 3 | John | LA 4 | Albert | NY Wanted result, if I do the distinct on the City: ID | Name | City --------------------------- 1 | John | NY 2 | Maria | LA What is the best way to do that? Thank you for your help.

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  • Nhibernate Criteria Group By clause and select other data that is not grouped

    - by Peter R
    Hi, I have a parent child relationship, let's say class and children. Each child belongs to a class and has a grade. I need to select the children (or the ids of the children) with the lowest grade per class. session.CreateCriteria(typeof(Classs)) .CreateAlias("Children", "children") .SetProjection(Projections.ProjectionList() .Add(Projections.Min("children.Grade")) .Add(Projections.GroupProperty("Id")) ) .List<Object[]>(); This query returns me the lowest grade per class, but I don't know which child got the grade. When I add the children's Id to the group, the group is wrong and every child gets returned. I was hoping we could just select get the id's of those childs without grouping them. If this is not possible, then maybe there is a way to solve this with subqueries?

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  • Using named pipes in Rails

    - by FancyDancy
    I need to read and write some data through named pipes. I have tested it in a simple Ruby app, and it works nice. But I dont know, where should i put it in my Rails app? I have heard about Rake tasks, but i don't sure, is it right solution. I need to open a pipe-file, and listen to data. If there is any, i need to process it and make a DB-query. Then, write some data to another pipe. I know, how it works, but the only problem - how to run it with Rails? Give me some examples, please.

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  • [ASP.NET] Odd HttpRequest behaviour

    - by barguast
    I have a web service which runs with a HttpHandler class. In this class, I inspect the request stream for form / query string parameters. In some circumstances, it seemed as though these parameters weren't getting through. After a bit of digging around, I came across some behaviour I don't quite understand. See below: // The request contains 'a=1&b=2&c=3' // TEST ONLY: Read the entire request string contents; using (StreamReader sr = new StreamReader(context.Request.InputStream)) { contents = sr.ReadToEnd(); } // Here 'contents' is usually correct - containing 'a=1&b=2&c=3'. Sometimes it is empty. string a = context.Request["a"]; // Here, a = null, regardless of whether the 'contents' variable above is correct Can anyone explain to me why this might be happening? I'm using a .NET WebClient and UploadDataAsync to perform the request on the client if that makes any difference. If you need any more information, please let me know.

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  • MySQL SELECT MAX multiple tables : foreach parent return eldest son's picture

    - by Guillermo
    **Table parent** parentId | name **Table children** childId | parentId | pictureId | age **Table childrenPictures** pictureId | imgUrl no i would like to return all parent names with their eldest son's picture (only return parents that have children, and only consider children that have pictures) so i thought of something like : SELECT c.childId AS childId, p.name AS parentName, cp.imgUrl AS imgUrl, MAX(c.age) AS age FROM parent AS p RIGHT JOIN children AS c ON (p.parentId = c.parentId) RIGHT JOIN childrenPictures AS cp ON (c.pictureId = cp.pictureId)) GROUP BY p.name This query will return each parent's eldest son's age, but the childId will not correspond to the eldest sons id, so the output does not show the right sons picture. Well if anyone has a hint i'd appreciate very much Thank you very much, G

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  • Why does TheyWorkForYou (TWFY) web API always returns '{}'

    - by Tartley
    I'm calling a web API exposed by TheyWorkForYou (TWFI). http://www.theyworkforyou.com/api/ I'm using the Python bindings provided by twfython: http://code.google.com/p/twfython/ I wrote some code to call this API a few months ago, at which time it worked fine. But now I dig it out to run it again, no matter what query I ask of the API, it always returns '{}' (an empty dictionary). For example the following code, which should return a list of all MPs: from twfy import TWFY API_KEY = 'XXXXXXXXXXXXXXXXXXXXXX' twfy = TWFY.TWFY(API_KEY) print twfy.api.getMPs(output='js') Am I being really dumb? What else should I check?

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  • using Spring JdbcTemplate for multiple database operations

    - by Joel Carranza
    I like the apparent simplicity of JdbcTemplate but am a little confused as to how it works. It appears that each operation (query() or update()) fetches a connection from a datasource and closes it. Beautiful, but how do you perform multiple SQL queries within the same connection? I might want to perform multiple operations in sequence (for example SELECT followed by an INSERT followed by a commit) or I might want to perform nested queries (SELECT and then perform a second SELECT based on result of each row). How do I do that with JdbcTemplate. Am I using the right class?

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  • Trouble with MySQL: CONCAT_WS(' ', name_first, name_middle, name_last) like '%keyword%'

    - by AJB
    hey folks, I'm setting up a keyword search across multiple fields: name_first, name_middle, name_last but I'm not getting the results I'd like. Here's the query: "SELECT accounts_users.user_ID, users.name_first, users.name_middle, users.name_last, users.company FROM accounts_users, users WHERE accounts_users.account_ID = '$account_ID' AND accounts_users.user_ID = users.id AND CONCAT_WS(' ', users.name_first, users.name_middle, users.name_last) LIKE '$user_keyword%' ORDER BY users.name_first ASC" So, if I've got three names in the DB: Aaron J Ban Aaron J Can Bob L Lawblaw And if the user_keyword == "bob lawblaw" I get no result. If user_keyword == "bob L" then it returns Bob L Lawblaw. Obviously I can't force people to include the persons middle name in their keyword search but I'm stuck for the proper way to do this. All help is greatly appreciated.

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