Conversion Error From String Delphi
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Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Interbase: conversion error from string “” up vote 1 down vote favorite I'm running IB2009 and I'm trying to count the number of records where a specific field is neither NULL nor empty: SELECT COUNT(A.ID) FROM MYVIEW A WHERE ((A.VARCHARFIELD1 IS NOT NULL) OR (A.VARCHARFIELD1 <> '')) where MYVIEW is a VIEW, and MYVIEW.ID is an INTEGER, while MYVIEW.VARCHARFIELD1 is a VARCHAR(18). I'm getting the error message Error at line 1, conversion error from string "" which I don't really understand, since when I drop the COUNT()-function, the query executes nicely. Do anyone know what I'm doing wrong? Thanks! sql interbase share|improve this question edited Jan 15 '10 at 11:49 asked Jan 15 '10 at 10:22 conciliator 3,26832656 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote I don't see anything wrong with using COUNT() in this case. Although it shouldn't matter you might try dropping all the parentheses in your WHERE clause. You also might try using COUNT(*) instead of COUNT(A.ID) just to see if it gives you different results. In any case, based on your description of the intent of the query I don't think that the query is going to do what you intended. If the query is supposed to return rows where the field is neither NULL nor empty I believe your WHERE clause should be WHERE A.VARCHARFIELD1 IS NOT NULL AND A.VARCHARFIELD1 <> '' With the 'OR' in there as originally written I think you'll get
we will discuss things relating the ZEOSLib 6.6.x stable versions Moderators: gto, EgonHugeist Post Reply Print view Search Advanced search 3 posts • Page 1 of 1 louis Senior Boarder Posts: 56 Joined: 02.01.2009, 19:41 SQL Error: conversion error from string "0" Quote Postby louis » 03.02.2009, 10:18 Hallo, I have this error message: SQL Error: conversione error from string "0". Error Code: -413. Overflow occurred during datatype conversion. I use delphi 5 with zeos 6.6.4. I need to use a TTimeField that can have 0.00 time inside but when I try http://stackoverflow.com/questions/2070789/interbase-conversion-error-from-string to save the query, I have the error above in unit ZDbcInterbase6Utils. I understand this is because the time is empty but what I do to solve this problem? Thanks. Top mdaems Zeos Project Manager Posts: 2766 Joined: 20.09.2005, 15:28 Location: Brussels, Belgium Contact: Contact mdaems ICQ WLM Yahoo Messenger Quote Postby mdaems » 03.02.2009, 10:52 Hi, Can you please file a bug report on the http://zeoslib.sourceforge.net/viewtopic.php?t=2219 bug tracker? ( http://zeosbugs.firmos.at/ ) Please attach a minimal project showing the error and the script needed to set up the database. Mark Top louis Senior Boarder Posts: 56 Joined: 02.01.2009, 19:41 Quote Postby louis » 03.02.2009, 16:12 mdaems wrote:... Please attach a minimal project showing the error and the script needed to set up the database. Hi Mark, while I prepared the example I have uncovered where I mistook. During create table in database I assigned wrong default, see wrong code: Code: Select allCREATE TABLE CEDOLINI
(
ID_CEDOLINO Integer NOT NULL,
GIORNO1 Time DEFAULT 0 NOT NULL, <--- ERROR
PRIMARY KEY (ID_CEDOLINO)
);but the line correct is:Code: Select all GIORNO1 Time DEFAULT '00.00' NOT NULL, <--- CORRECT!
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funcionaro. Por favor, habilite o javascript para ter acesso todas as funcionalidades. Publicidade Últimos Tópicos Últimos Tópicos Resolvidos Tópicos melhor avaliados Tópicos Quentes Estatísticas do Fórum http://forum.imasters.com.br/topic/472658-resolvido%C2%A0erro-conversion-error-from-string-0/ 0 Usuários ativos 0 membros, 0 visitantes, 0 membros annimos http://forums.devshed.com/firebird-sql-development/687395-overflow-occurred-data-type-conversion-conversion-error-string-post2434258.html Siga o iMasters Siga o iMasters no Twitter Siga o iMasters no Linkedin Siga o iMasters no Facebook Siga o Feed iMasters Siga o iMasters no Github [Resolvido]Erro Conversion Error From String "0" Criado por #Allan , Ago 16 2012 11:05 Por favor, faa o conversion error login para responder 6 respostas neste tpico #1 #Allan #Allan Members 11 posts Postado 16 agosto 2012 - 11:05 Bom dia, estou tentando fazer um relatrio que filtra entre duas datas e esta dando o seguinte erro: conversion error from string "0" segue abaixo as linha de comando! MaskEdit1.Text:= DatetoStr(DateTimePicker1.Date); MaskEdit2.Text:= DatetoStr(DateTimePicker2.Date); formRelPagarData.qrPagar.Close; formRelPagarData.qrPagar.SQL.clear; formRelPagarData.qrPagar.SQL.add('SELECT * FROM conversion error from PAGAR WHERE DATVC BETWEEN '+MaskEdit1.text+' AND '+MaskEdit2.text); formRelPagarData.qrPagar.Open; obrigado desde j Allan 0 Voltar para o topo Publicidade #2 FK. FK. fodase Banned 627 posts Postado 16 agosto 2012 - 11:47 1 Editado por FK., 29 agosto 2016 - 22:08 . 1 Voltar para o topo #3 #Allan #Allan Members 11 posts Postado 16 agosto 2012 - 14:15 FK muito obrigado pela sua ajuda, deu certo usando o ParamByName. foi meu primeiro post no iMasters, me desculpe pelo meu erro! 1 Voltar para o topo #4 FK. FK. fodase Banned 627 posts Postado 16 agosto 2012 - 14:46 3 0 Voltar para o topo #5 #Allan #Allan Members 11 posts Postado 16 agosto 2012 - 16:39 S mais uma dvida, nessa linha de comando q eu postei estou filtrando somente entre datas, que seria o total das contas que o cliente tem q pagar nesse perodo. Eu preciso tambm fazer um relatrio que filtre o Fornecedor e tambem as datas! so eu colocar mais um AND adicionar FORNE?
Search Username Password Remember Me? Register Lost Password? facebook google twitter rss Free Web Developer Tools Advanced Search Forum Databases Firebird SQL Development Overflow occurred during data type conversion. Conversion error from string "$$$###" Thread: Overflow occurred during data type conversion. Conversion error from string "$$$###" Share This Thread Tweet This + 1 this Post To Linkedin Subscribe to this Thread Subscribe to This Thread March 21st, 2010,10:51 PM #1 No Profile Picture belzedar View Profile View Forum Posts Registered User Devshed Newbie (0 - 499 posts) Join Date Mar 2010 Posts 3 Rep Power 0 Overflow occurred during data type conversion. Conversion error from string "$$$###" The following queries result in the error - Overflow occurred during data type conversion. Conversion error from string "$$$###". when running this in EMS Manager Lite or inside a delphi/report builder application. Select tbl1.FIRSTNAME, tbl1.Image2, Sum(FieldA) as TotalFieldA from Table1 tbl1 inner join Table2 tbl2 on tbl1.REG = tbl2.REF Group By tbl1.FirstName, tbl1.IMAGE2 If the references to the IMAGE2 field is removed in the select and the group by then the query is fine. So is there some sort of issue where an Image (BLOB field) cannot be selected in a SQL Statement with a summing function. The Standard Select * from Table1 shows the image field no problem. FYI - using Delphi 7 and Firebird 1.5.2 Faq Reply With Quote March 21st, 2010,11:35 PM #2 No Profile Picture clivew View Profile View Forum Posts Visit Homepage Contributing User Devshed Regular (2000 - 2499 posts) Join Date Jan 2006 Location Carlsbad, CA Posts 2,057 Rep Power 385 I don't see how you can do a GROUP BY on a BLOB field. I'm quite surprised that Firebird actually accepts the SQL. I have not double checked, so I could be