Getting Error Intermittently while retrieving data from DB

Omkar K over 7 years ago

Hello, Has anyone faced following error? Any inputs to deal with this error?

I am getting this error whenever I am trying to access any reports with queryEntity rule in it's definition:

[Appian Timer - 2] DEBUG org.hibernate.util.JDBCExceptionReporter - could not execute query [select count(*) as y0_ from site this_ inner join site_page p2_ on this_.id=p2_.site_id left outer join site_rm rolemapent5_ on this_.id=rolemapent5_.site_id left outer join rm_entry rolemap1_ on rolemapent5_.rm_entry_id=rolemap1_.id where p2_.visibility=?]
com.microsoft.sqlserver.jdbc.SQLServerException: The data types ntext and nvarchar(max) are incompatible in the equal to operator.
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:216)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1515...

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0 Omkar K over 7 years ago

Actually, the field in the question was nvarchar(255) in DB and string/text in appian and in my query entity, I was having = as an operator in the query filter for the field in question. When I change my operator from = to 'includes', the query executed quite smooth. I am pretty positive that 'includes' operator works similar to %LIKE% in DB. Isn't it?
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0 Omkar K over 7 years ago

Actually, the field in the question was nvarchar(255) in DB and string/text in appian and in my query entity, I was having = as an operator in the query filter for the field in question. When I change my operator from = to 'includes', the query executed quite smooth. I am pretty positive that 'includes' operator works similar to %LIKE% in DB. Isn't it?
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