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SQL Server Convert or Cast function

Posted on 2012-03-22
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Last Modified: 2012-03-27
I am trying to convert a decimal into a hexadecimal string in a table.  I can run the select query just fine (Select convert(varbinary(8), account) from accountTemp) but cannot run either an update on the table or a new insert to store the value permanently. (update accountTemp set account = convert(varbinary(8), account) -- OR -- Insert into account select convert(varbinary(8),account) from accountTbl

Any suggestions as to how I can have this be converted and stored into the table?
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Question by:PhillipsPlastics
8 Comments
 
LVL 40

Expert Comment

by:Kyle Abrahams
ID: 37752608
Try doing it through a variable?


declare @tmp VarBinary(8)
set @tmp = (Select convert(varbinary(8), account) from accountTemp)
update accountTemp set account @tmp
where
-- ...  fill in where ... --
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LVL 16

Expert Comment

by:DcpKing
ID: 37752611
Look at the definition of Convert. You're changing the type from whatever Account is into a varbinary type. I'll bet you Account is not a varbinary type of field!

Take a look at http://rextang.net/blogs/work/archive/2008/01/13/5855.aspx for info on converting your varbinary out into hex.
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LVL 69

Expert Comment

by:ScottPletcher
ID: 37752658
Please try:

master.dbo.fn_varbintohexstr

For example:

SELECT master.dbo.fn_varbintohexstr(convert(varbinary(8), account))
from accountTemp
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Author Comment

by:PhillipsPlastics
ID: 37753087
Well this is what I ended up doing since nothing else was working...

declare @tmp varbinary(8);
set @tmp = (CONVERT(varbinary(8),66082));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 66082;
set @tmp = (CONVERT(varbinary(8),514));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 514;
set @tmp = (CONVERT(varbinary(8),544));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 544;
set @tmp = (CONVERT(varbinary(8),512));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 512;
set @tmp = (CONVERT(varbinary(8),66080));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 66080;
set @tmp = (CONVERT(varbinary(8),66048));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 66048;
set @tmp = (CONVERT(varbinary(8),546));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 546;
set @tmp = (CONVERT(varbinary(8),66050));
update Phonesearch_DB.dbo.accountTemp set account = @tmp where accountDisabled = 66050;
select * from phonesearch_db.dbo.accountTemp;

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LVL 16

Expert Comment

by:DcpKing
ID: 37753228
Did fn_varbintohexstr not work for you?
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Accepted Solution

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PhillipsPlastics earned 0 total points
ID: 37753405
It seemed to do the same thing as convert but what I am actually ending up doing is setting the column account to be varbinary(8) and when I read the data into the table it automatically converts the decimal to hex.
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LVL 16

Expert Comment

by:DcpKing
ID: 37754514
Clever! And there we all were assuming that you needed to keep the original value. Thanks for wrapping it up.
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Author Closing Comment

by:PhillipsPlastics
ID: 37770419
None of the other options listed worked.
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