FIX: Error when you rebuild a single partition of an index online in SQL Server 2014 and 2016

Applies to: SQL Server 2014 DeveloperSQL Server 2014 EnterpriseSQL Server 2014 Enterprise Core

Symptoms


Assume that you mark a computed column as PERSISTED in a partitioned table in Microsoft SQL Server 2014 and 2016. When you try to rebuild a single partition of an index online on the table, an error message that resembles the following might occur.

Msg 4819, Level 16, State 1, Line LineNumber

Cannot bulk load. The bulk data stream was incorrectly specified as sorted or the data violates a uniqueness constraint imposed by the target table. Sort order incorrect for the following two rows: primary key of first row: (001, 9999, ABC, 987654321, YWZ, 98765), primary key of second row: (001, 0001, CDE, 123456789, YWZ, 123456).

Resolution


This issue is fixed in the following cumulative updates for SQL Server:

      Cumulative Update 4 for SQL Server 2017

      Cumulative Update 7 for SQL Server 2016 SP1

      Cumulative Update 9 for SQL Server 2014 SP2

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


Learn about the terminology that Microsoft uses to describe software updates.