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  • Explicit construction of entity type [MyClass] in query is not allowed.

    - by Code Sherpa
    Hi. Like the title says, I have the following exception: Description: Event code: 3005 Event message: An unhandled exception has occurred. Exception information: Exception type: NotSupportedException Exception message: Explicit construction of entity type 'Company.Project.Core.Domain.Friend' in query is not allowed. I am using LINQ and have the following code in my datacontext: var friends2 = (dc.Friends .Where(f => f.MyFriendsAccountId == accountId && f.AccountId != accountId) .Select(f => new { f.FriendId, AccountId = f.MyFriendsAccountId, MyFriendsAccountId = f.AccountId, f.CreateDate, f.Timestamp })).Distinct(); result.AddRange(friends2 .Select(o => new Friend { FriendId = o.FriendId, AccountId = o.AccountId, CreateDate = o.CreateDate, MyFriendsAccountId = o.MyFriendsAccountId, Timestamp = o.Timestamp })); the final code block is throwing the error and I am pretty sure it is this statement that is the culprit: .Select( o => **new Friend** How should I be reworking my code to avoid this error? Code illustration appreciated. Thanks.

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  • Firebird query is crashing with org.firebirdsql.jdbc.FBSQLException: GDS Exception. 335544364. reque

    - by user321395
    I am using JdbcTemplate.queryForInt to insert a Row into the DB, and then get the ID back. The Query is "INSERT INTO metadocs(NAME) values (?) RETURNING METADOCID". If I run the statement in Flamerobin, it works fine. However, if I run it from Java, I get the following error: org.springframework.jdbc.UncategorizedSQLException: PreparedStatementCallback; uncategorized SQLException for SQL [INSERT INTO metadocs(NAME) values (?) RETURNING METADOCID]; SQL state [HY000]; error code [335544364]; GDS Exception. 335544364. request synchronization error; nested exception is org.firebirdsql.jdbc.FBSQLException: GDS Exception. 335544364. request synchronization error Caused by: org.firebirdsql.jdbc.FBSQLException: GDS Exception. 335544364. request synchronization error Does anyone have an idea what this could be caused by?

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  • T-SQL XML Query, how to seperate matching nodes into individual rows?

    - by FlySwat
    I have a table that has a column full of XML like: <parent> <child> <name>Sally</name> </child> <child> <name>Bobby</name> </child> </parent> I'm trying to extract all of the names of the children into seperate rows. My desired resultset would look like: Sally Bobby However, if I do something like: SELECT data.query('data(//parents/child/name)') FROM stuff I get back a single row that looks like Sally Bobby What am I doing wrong with the XPath?

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  • Cfsearch in combination of documents and indexed query data?

    - by Bart B
    hi! I have an application which stores all kind of data about people. The current cfsearch functionality (in Verity) includes searching documents that are attached to these people. If i have 2 documents attached to 1 person, 1 with say ABC in it and the other with XYZ in it, my ideal searchresult for "ABC AND XYZ" would return the 1 person. But as both 'words' are indexed in different documents, the standard behaviour is not to return any result from the cfsearch, because the combination doesnt exist in any of the 2 documents. Is there any way to combine indexed documents and/or query data in a way that the search is executed in the combination of relevant docs and data? In my application that would mean that i could index all documents and data regarding people and have an intelligent 'global' search to find the right person. any pointers and help very much appreciated! (should Solr offer new possibilities in comparison to Verity, no problem!) thanks! Bart

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  • Linq to SQL and SQL Server Compact Error: "There was an error parsing the query."

    - by Jeremy
    I created a SQL server compact database (MyDatabase.sdf), and populated it with some data. I then ran SQLMetal.exe and generated a linq to sql class (MyDatabase.mdf) Now I'm trying to select all records from a table with a relatively straightforward select, and I get the error: "There was an error parsing the query. [ Token line number = 3,Token line offset = 67,Token in error = MAX]" Here is my select code: public IEnumerable ListItems() { MyDatabase db_m = new MyDatabase("c:\mydatabase.sdf"); return this.db_m.TestTable.Select(test = new Item() { .... } } I've read that Linq to SQL works with Sql Compact, is there some other configuration I need to do?

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  • sql-server: Can I update two table with Single Query?

    - by RedsDevils
    How can I write single UPDATE query to change value of COL1 to ‘X’ if COL2 < 10 otherwise change it to ‘Y’, where the following two tables are linked by ID CREATE TABLE TEMP(ID TINYINT, COL1 CHAR(1)) INSERT INTO TEMP(ID,COL1) VALUES (1,'A') INSERT INTO TEMP(ID,COL1) VALUES (2,'B') INSERT INTO TEMP(ID,COL1) VALUES (11,'A') INSERT INTO TEMP(ID,COL1) VALUES (17,'B') CREATE TABLE TEMP2(ID TINYINT, COL2 TINYINT) INSERT INTO TEMP2(ID,COL2) VALUES (1,1) INSERT INTO TEMP2(ID,COL2) VALUES (2,5) INSERT INTO TEMP2(ID,COL2) VALUES (11,10) INSERT INTO TEMP2(ID,COL2) VALUES (17,15) Thanks in advance!

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  • How to I create an HQL query to return objects in a many to many relationship?

    - by Dave
    Hi there. I have an application that includes 2 classes Club and Article. These are mapped in Hibernate as a many to many relationship. As a result, hibernate has created a table called CLUB_ARTICLE which it uses to manage the many to many relation ship. The CLUB and ARTILCE tables have no direct reference to each other and the mapping is only represented in the CLUB_ARTICLE table. I need to create an HQL query that returns a list of articles for a particlular club. So I need to supply the club id and get back a list of Article objects that belong to it. For some reason, I just can't work out how to do this. Any help would be very much appriciated! Thanks.

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  • What is the query string of a BlazeDS request?

    - by dacracot
    I have a Tomcat service running on localhost:8080 and I have installed BlazeDS. I created and configured a simple hello world application like this... package com.adobe.remoteobjects; import java.util.Date; public class RemoteServiceHandler { public RemoteServiceHandler() { //This is required for the Blaze DS to instantiate the class } public String getResults(String name) { String result = “Hi ” + name + “, the time is : ” + new Date(); return result; } } With what query string can I invoke RemoteServiceHandler to my Tomcat instance via just a browser? Something like... http://localhost:8080/blazeds/?xyz

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  • Is there a more efficient way to get the number of search results from a google query?

    - by highone
    Right now I am using this code: string url = "http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=hey&esrch=FT1"; string source = getPageSource(url); string[] stringSeparators = new string[] { "<b>", "</b>" }; string[] b = source.Split(stringSeparators, StringSplitOptions.None); bool isResultNum = false; foreach (string s in b) { if (isResultNum) { MessageBox.Show(s.Replace(",", "")); return; } if (s.Contains(" of about ")) { isResultNum = true; } } Unfortunately it is very slow, is there a better way to do it? Also is it legal to query google like this? From the answer in this question it didn't sound like it was http://stackoverflow.com/questions/903747/how-to-download-google-search-results

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  • retriving hearders in all pages of word

    - by udaya
    Hi I am exporting data from php page to word,, there i get 'n' number of datas in each page .... How to set the maximum number of data that a word page can contain ,,,, I want only 20 datas in a single page This is the coding i use to export the data to word i got the data in word format but the headers are not available for all the pages ex: Page:1 slno name country state Town 1 vivek india tamilnadu trichy 2 uday india kerala coimbatore like this i am getting many details but in my page:2 i dont get the headers like name country state and town....But i can get the details like kumar america xxxx yyyy i want the result to be like slno name country state town n chris newzealand ghgg jkgj Can i get the headers If it is not possible Is there anyway to limit the number of details being displayed in each page //EDIT YOUR MySQL Connection Info: $DB_Server = "localhost"; //your MySQL Server $DB_Username = "root"; //your MySQL User Name $DB_Password = ""; //your MySQL Password $DB_DBName = "cms"; //your MySQL Database Name $DB_TBLName = ""; //your MySQL Table Name $sql = "SELECT (SELECT COUNT(*) FROM tblentercountry t2 WHERE t2.dbName <= t1.dbName and t1.dbIsDelete='0') AS SLNO ,dbName as Namee,t3.dbCountry as Country,t4.dbState as State,t5.dbTown as Town FROM tblentercountry t1 join tablecountry as t3, tablestate as t4, tabletown as t5 where t1.dbIsDelete='0' and t1.dbCountryId=t3.dbCountryId and t1.dbStateId=t4.dbStateId and t1.dbTownId=t5.dbTownId order by dbName limit 0,50"; //Optional: print out title to top of Excel or Word file with Timestamp //for when file was generated: //set $Use_Titel = 1 to generate title, 0 not to use title $Use_Title = 1; //define date for title: EDIT this to create the time-format you need //$now_date = DATE('m-d-Y H:i'); //define title for .doc or .xls file: EDIT this if you want $title = "Country"; /* Leave the connection info below as it is: just edit the above. (Editing of code past this point recommended only for advanced users.) */ //create MySQL connection $Connect = @MYSQL_CONNECT($DB_Server, $DB_Username, $DB_Password) or DIE("Couldn't connect to MySQL:" . MYSQL_ERROR() . "" . MYSQL_ERRNO()); //select database $Db = @MYSQL_SELECT_DB($DB_DBName, $Connect) or DIE("Couldn't select database:" . MYSQL_ERROR(). "" . MYSQL_ERRNO()); //execute query $result = @MYSQL_QUERY($sql,$Connect) or DIE("Couldn't execute query:" . MYSQL_ERROR(). "" . MYSQL_ERRNO()); //if this parameter is included ($w=1), file returned will be in word format ('.doc') //if parameter is not included, file returned will be in excel format ('.xls') IF (ISSET($w) && ($w==1)) { $file_type = "vnd.ms-excel"; $file_ending = "xls"; }ELSE { $file_type = "msword"; $file_ending = "doc"; } //header info for browser: determines file type ('.doc' or '.xls') HEADER("Content-Type: application/$file_type"); HEADER("Content-Disposition: attachment; filename=database_dump.$file_ending"); HEADER("Pragma: no-cache"); HEADER("Expires: 0"); /* Start of Formatting for Word or Excel */ IF (ISSET($w) && ($w==1)) //check for $w again { /* FORMATTING FOR WORD DOCUMENTS ('.doc') */ //create title with timestamp: IF ($Use_Title == 1) { ECHO("$title\n\n"); } //define separator (defines columns in excel & tabs in word) $sep = "\n"; //new line character WHILE($row = MYSQL_FETCH_ROW($result)) { //set_time_limit(60); // HaRa $schema_insert = ""; FOR($j=0; $j<mysql_num_fields($result);$j++) { //define field names $field_name = MYSQL_FIELD_NAME($result,$j); //will show name of fields $schema_insert .= "$field_name:\t"; IF(!ISSET($row[$j])) { $schema_insert .= "NULL".$sep; } ELSEIF ($row[$j] != "") { $schema_insert .= "$row[$j]".$sep; } ELSE { $schema_insert .= "".$sep; } } $schema_insert = STR_REPLACE($sep."$", "", $schema_insert); $schema_insert .= "\t"; PRINT(TRIM($schema_insert)); //end of each mysql row //creates line to separate data from each MySQL table row PRINT "\n----------------------------------------------------\n"; } }ELSE{ /* FORMATTING FOR EXCEL DOCUMENTS ('.xls') */ //create title with timestamp: IF ($Use_Title == 1) { ECHO("$title\n"); } //define separator (defines columns in excel & tabs in word) $sep = "\t"; //tabbed character //start of printing column names as names of MySQL fields FOR ($i = 0; $i < MYSQL_NUM_FIELDS($result); $i++) { ECHO MYSQL_FIELD_NAME($result,$i) . "\t"; } PRINT("\n"); //end of printing column names //start while loop to get data WHILE($row = MYSQL_FETCH_ROW($result)) { //set_time_limit(60); // HaRa $schema_insert = ""; FOR($j=0; $j<mysql_num_fields($result);$j++) { IF(!ISSET($row[$j])) $schema_insert .= "NULL".$sep; ELSEIF ($row[$j] != "") $schema_insert .= "$row[$j]".$sep; ELSE $schema_insert .= "".$sep; } $schema_insert = STR_REPLACE($sep."$", "", $schema_insert); //following fix suggested by Josue (thanks, Josue!) //this corrects output in excel when table fields contain \n or \r //these two characters are now replaced with a space $schema_insert = PREG_REPLACE("/\r\n|\n\r|\n|\r/", " ", $schema_insert); $schema_insert .= "\t"; PRINT(TRIM($schema_insert)); PRINT "\n"; } } ?

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  • Query data using LINQ to SQL and Entity Framework with foreign key? (Help me please)

    - by The Wind
    Hello! There is a problem I need help with your query on the data using LINQ to SQL and Entity Framework (I'm using Visual Studio 2010). My picure here: http://img.tamtay.vn/files/photo2/2010/5/28/10/962/4bff3a3b_1093f58f_untitled-1.gif I have three tables: tbl NewsDetails tblNewsCategories tblNewsInCategories (See screen 1 in my picture) Now, I want to retrieve records in the tblNewsDetails table, with condition: CategoryId=1, as the following results: (See screen 2 in my picture) But NewsID and CategoryId in tblNewsInCategories table is two foreign key, I do not see them and I do not know how to use them in your code. My code has errors: (See screen 3 in my picture) Please help me. Thanks! (I am a new member, should not have the right to insert images)

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  • MS Word: Mailmerge hyperlinks with query get url string with a mergefield.

    - by oterrada
    Hi, I'm trying to send an email merging one document (docx) with a contacts database (via OleDB). Using MSWord2007, it seems easy (it works for easy things: name, address, ...) but I can't find how fill an query-get url string with a merge field inside an hyperlink. An hyperlink like: Click here where here is an hyperlink to http://domain.com/[email protected] where [email protected] is the address of the contact, a merge field. I've tried the special/merge fields: {HYPERLINK "http://domain.com/test.php?contact={MERGEFIELD contactEmail}" \o "Here"} but it doesn't work, sometimes it merge only the first record and then send all the mails with the same address, I got this alternating the view with ALT+F9. This support doc doesn't work for me because I don't have the complete URL in my database for each contact, and I can't change the design of the table or add a view (it's from the CRM), I don't like to do it exporting the table and adding the field. Any idea? Thanks in advance,

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  • SQL Query to delete oldest rows over a certain row count?

    - by Casey
    I have a table that contains log entries for a program I'm writing. I'm looking for ideas on an SQL query (I'm using SQL Server Express 2005) that will keep the newest X number of records, and delete the rest. I have a datetime column that is a timestamp for the log entry. I figure something like the following would work, but I'm not sure of the performance with the IN clause for larger numbers of records. Performance isn't critical, but I might as well do the best I can the first time. DELETE FROM MyTable WHERE PrimaryKey NOT IN (SELECT TOP 10,000 PrimaryKey FROM MyTable ORDER BY TimeStamp DESC)

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  • How can I concatinate a subquery result field into the parent query?

    - by Pure.Krome
    Hi folks, DB: Sql Server 2008. I have a really (fake) groovy query like this:- SELECT CarId, NumberPlate (SELECT Owner FROM Owners b WHERE b.CarId = a.CarId) AS Owners FROM Cars a ORDER BY NumberPlate And this is what I'm trying to get... => 1 ABC123 John, Jill, Jane => 2 XYZ123 Fred => 3 SOHOT Jon Skeet, ScottGu So, i tried using AS [Text()] ... FOR XML PATH('') but that was inlcuding weird encoded characters (eg. carriage return). ... so i'm not 100% happy with that. I also tried to see if there's a COALESCE solution, but all my attempts failed. So - any suggestions?

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  • Is an IQueryable a query or just an object which can be queried?

    - by Albic
    I'm kinda confused what the IQueryable interface actually represents. The MSDN documentation for IQueryable says: "Provides functionality to evaluate queries against a specific data source." The documentation for IQueryProvider says: "Defines methods to create and execute queries that are described by an IQueryable object." The name and the documentation summary suggest that it is an object/data store which can be queried. The second quote and the fact the ObjectQuery class from the Entity Framework implements IQueryable suggest it is a query which can be executed. Did I misunderstood something or is it really kinda fuzzy?

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  • Spring 3 MVC - how to turn a form into a query string?

    - by caerphilly
    I have a simple Spring form that gets bound to a form object on post. The http POST handler does some work, and then needs to redirect to a new URL, passing the form data as querystring parameters. So, assuming I have a form backing object with properties "param1" and "param2", I want to build a string that looks something like this: redirect:/app/new/page?param1=value;param2=value Now, Spring will automatically bind values FROM a querystring or a form post into my form object, but I want to GENERATE a querystring with values taken from the form object. Obviously it's trivial to do this manually but since I'm going to have lots of different form backing objects, is there some built-in facility in Spring to generate a query string from a form object, suitable for building into a URL? Thanks.

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  • MS ACCESS: How can i count distinct value using access query?

    - by Sadat
    here is the current complex query given below. SELECT DISTINCT Evaluation.ETCode, Training.TTitle, Training.Tcomponent, Training.TImpliment_Partner, Training.TVenue, Training.TStartDate, Training.TEndDate, Evaluation.EDate, Answer.QCode, Answer.Answer, Count(Answer.Answer) AS [Count], Questions.SL, Questions.Question FROM ((Evaluation INNER JOIN Training ON Evaluation.ETCode=Training.TCode) INNER JOIN Answer ON Evaluation.ECode=Answer.ECode) INNER JOIN Questions ON Answer.QCode=Questions.QCode GROUP BY Evaluation.ETCode, Answer.QCode, Training.TTitle, Training.Tcomponent, Training.TImpliment_Partner, Training.Tvenue, Answer.Answer, Questions.Question, Training.TStartDate, Training.TEndDate, Evaluation.EDate, Questions.SL ORDER BY Answer.QCode, Answer.Answer; There is an another column Training.TCode. I need to count distinct Training.TCode, can anybody help me? If you need more information please let me know

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  • PHP / MySQL - How to retrieve 2 separate sets of objects?

    - by Dan
    Hi, I have a set of models which correspond to tables in my database. I have been retrieving them easily enough, for example. $result = $mysqli->query('SOME SQL'); $post = $result->fetch_object; What would be the best approach for performing a join and also returning the related objects? For example, each post is created by a user, so for each row returned in the joined statement, both a page and user object should be returned. Any advice appreciated. Thanks.

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  • I want to query whitepages.com 4,000 times, how to save the results?

    - by John Corbin
    I have an old customer list of 4,000 businesses. I want to determine if the phone numbers associated with each listing are still working (and therefore the business is probably still open). I can put each number in whitepages.com and check them one by one... but want to automate the results. I have looked at their API and can't digest it. I can form the correct query URL, but trying things like cURL -O doesn't work. I have access to Mac tools, Unix tools, and could try various javascript stuff if anyone could point me in the right direction... would even pay. Help? Thx

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  • .Remove(object) on a List<T> returned from LINQ to SQL compiled query won't delete the Object right

    - by soldieraman
    I am returning two lists from the database using LINQ to SQL compiled query. While looping the first list I remove duplicates from the second list as I dont want to process already existing objects again. eg. //oldCustomers is a List returned by my Compiled Linq to SQL Statmenet that I have added a .ToList() at the end to //Same goes for newCustomers for (Customer oC in oldCustomers) { //Do some processing newCustomers.Remove(newCusomters.Find(nC=> nC.CustomerID == oC.CusomterID)); } for (Cusomter nC in newCustomers) { //Do some processing } DataContext.SubmitChanges() I expect this to only save the changes that have been made to the customers in my processing and not Remove or Delete any of my customers from the database. Correct? I have tried it and it works fine - but I am trying to know if there is any rare case it might actually get removed

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  • Entity framework (3.5): How to translate a certain LINQ query to eSQL?

    - by Sebastian P.R. Gingter
    Hi there, I have the following LINQ query that I need to translate to Entity SQL /eSQL): return (ObjectQuery<User>) from user in Users where !user.Roles.Any(r => r.AnIntegerProperty < 0) select user; User.Roles is an navigation property to the n:m relation to Roles and there also is a Role.Users navigation property the other way round. There aren't User_Roles or Roles_User Entities available in the model, and I can't add these. I also can't use the LINQ statement here, because I need to add .OrderBy("it." + propertyname) (comes from another source, can't change that too) later on which is not possible if the ObjectQuery is build with linq. So how do I translate this to eSQL? And where can I find good eSQL samples? I searched for a whole day until now and must admit that eSQL reference is lousy and there aren't any usable examples around the web.

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  • How do I pass a parameter from the select list into a function for joining a linq query?

    - by Ryan ONeill
    I have a query that can be summarised in SQL as follows; Select S.StockCode From StockToCheck As S Inner Join GetPOSStock(S.StockCode) As C On S.StockCode = C.StockCode; I'm trying to do the same in Linq but it seems I cannot pass a parameter to the function I am joining on as it has not been parsed by Linq. I imagine it would look like this (vb); Dim x = From S In StockToCheck Join C In GetPOSStock(S) On S Equals C.ProductCode Where the S var is a list of strings. This gives the error 'S' is not declared and points to the S in the function call / join (GetPOSStock). So it does not seem possible to do this in Linq, can anyone confirm? Thanks in advance Ryan

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  • Will this LINQ-TO-SQL query fetch all records from the table ?

    - by Puneet Dudeja
    public long GetNewCRN() { return ((from c in DataContext.GetTable<Cust_Master>() select c.CUSTSERH_CRN).Max() + 1); } Will this Linq to Sql query fetch all records from the table first and then select the maximum of the column ? If yes, then isn't it a bad idea using linq to sql instead of normal SqlCommand ? Or is there any other way of doing it in linq to sql ? When I attach Console.Out, I see nothing(command prompt does not even open). But when I include following:- context.Log = new System.IO.StreamWriter("d:\\abcd.txt"); I get an error, that "The process can not access the file because it is being used by another process" and that process is "w3wp.exe". How can I see the sql commands being executed by DataContext then ?

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  • In MongoDB, how can I replicate this simple query using map/reduce in ruby?

    - by Matthew Rathbone
    Hi, So using the regular MongoDB library in Ruby I have the following query to find average filesize across a set of 5001 documents: avg = 0 total = collection.count() Rails.logger.info "#{total} asset creation stats in the system" collection.find().each {|row| avg += (row["filesize"] * (1/total.to_f)) if row["filesize"]} Its pretty simple, so I'm trying to do the same using map/reduce as a learning exercise. This is what I came up with: map = 'function(){emit("filesizes", {size: this.filesize, num: 1});}' reduce = 'function(k, vals){ var result = {size: 0, num: 0}; for(var x in vals) { var new_total = result.num + vals[x].num; result.num = new_total result.size = result.size + (vals[x].size * (vals[x].num / new_total)); } return result; }' @results = collection.map_reduce(map, reduce) However the two queries come back with two different results! What am I doing wrong?

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  • Is it OK to allow users to query an OLTP SQL Server database with excel?

    - by user169867
    I have a SQL Server 2005 database used by several applications. Some users wish to query the database directly from excel. I can understand this, because it is a useful tool for adhoc queries and then getting the data in a format that's easily transmitted and manipulated by other users. My question is: Does Excel (say 2003/2007) do its querying in a way that won't cause concurency issues? Or is it done in such a way that a seperate datawarehouse database needs to be made to handle this scenario? Thanks for any advise.

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