Sql error in log file

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Hi All,

I am newbie to SQL programming and encountering and issue in one of live site.

I have the following SQL error in the log file.

Local Exception Stack:
Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.4.2.v20130514-5956486): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: com.microsoft.sqlserver.jdbc.SQLServerException: Conversion failed when converting the nvarchar value '2686000.75' to data type int.
Error Code: 245
Call: SELECT t0.DFY004_MDL_D, MAX(CAST(t1.DFY006_ATTR_VAL_X AS int)), MIN(CAST(t1.DFY006_ATTR_VAL_X AS int)) FROM VDFY006_DERTV_ATTR t1 LEFT OUTER JOIN VDFY003_DERTV t0 ON (t1.DFY003_DERTV_D = t0.DFY003_DERTV_D) WHERE (((((t0.DFY004_MDL_D IN (?,?,?,?,?)) AND (t1.DFY005_ATTR_D = ?)) AND (t1.DFY006_ATTR_VAL_X IS NOT NULL)) AND (t1.DFY006_IS_DEL_F = ?)) AND (t0.DFY014_STAT_D = ?)) GROUP BY t0.DFY004_MDL_D
bind => [8 parameters bound]
Query: ReportQuery(referenceClass=DerivativeAttribute sql="SELECT t0.DFY004_MDL_D, MAX(CAST(t1.DFY006_ATTR_VAL_X AS int)), MIN(CAST(t1.DFY006_ATTR_VAL_X AS int)) FROM VDFY006_DERTV_ATTR t1 LEFT OUTER JOIN VDFY003_DERTV t0 ON (t1.DFY003_DERTV_D = t0.DFY003_DERTV_D) WHERE (((((t0.DFY004_MDL_D IN ?) AND (t1.DFY005_ATTR_D = ?)) AND (t1.DFY006_ATTR_VAL_X IS NOT NULL)) AND (t1.DFY006_IS_DEL_F = ?)) AND (t0.DFY014_STAT_D = ?)) GROUP BY t0.DFY004_MDL_D")

Need help to understand the issue and steps to resolve this.

What I have tried:

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Posted 22-Feb-18 22:47pm

Member 13692486

Updated 23-Feb-18 0:24am

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phil.o · Answer 1 · 2018-02-22T22:59:00

Solution 1

"Conversion failed when converting the nvarchar value '2686000.75' to data type int"

The problem is pretty clear: you have a column in the database whose type is integer (int), and you are trying to feed it with a string (nvarchar) (moreover, this string value does not represent an integer value itself, but rather a floating-point value).

You should realize the importance of data types, how they are related, and how you have to manage them.

Posted 22-Feb-18 22:59pm

phil.o

Comments

Member 13692486 23-Feb-18 5:28am

Ok
but as per the DB structure I am not sure where the ncharvalue is coming from. Is there and SQL query script that can help me locate '2686000.7'

phil.o 23-Feb-18 5:36am

It most probably comes from one of the columns whose content you are trying to cast to integer in your SQL resquest.
But you have a bigger problem imo: you are storing floating-point values as nvarchar in your database. Always use the right data type.
There is no preexisting script which can spot a value in any column of any table of a database. You have access to your database schema; inspect it; everywhere you are using nvarchar type instead of a numeric one to store numeric values, your design is flawed. Only you can do that, because only you have access to the full database schema and data.