element <dat:versionColumnName>
Namespace:
http://labkey.org/data/xml
Type:
xs:string
Content:
simple
Defined:
locally within complexType dat:TableType in tableInfo.xsd, see XML source
XML Representation Summary
<dat:versionColumnName
   
Content: 
 { xs:string }
</dat:versionColumnName>
Included in content model of elements (2):
dat:table (type dat:TableType),
table (type dat:TableType)
Definition Locations
Annotation
The column in the table that acts as a row version stamp for detecting changes to the row. Its value is expected to change when any column within the row is changed. Used for detecting unanticipated changes to a row between the time a user selects a row and the time the same user updates or deletes the row. If the versionColumn detects a change, the user's update or delete fails. If not specified in the table xml, LabKey Server will look for a column named "_ts" which is assumed to be a database-managed row version column, or a column named "Modified", which LabKey Server will update when any row update is made by the LabKey API methods.
XML Source (see within schema source)
<xs:element minOccurs="0" name="versionColumnName" type="xs:string">
<xs:annotation>
<xs:documentation>
The column in the table that acts as a row version stamp for detecting changes to
the row. Its value is expected to change when any column within the row is changed. Used for
detecting unanticipated changes to a row between the time a user selects a row and the time the
same user updates or deletes the row. If the versionColumn detects a change, the user's update
or delete fails. If not specified in the table xml, LabKey Server will look for a column named
"_ts" which is assumed to be a database-managed row version column, or a column named "Modified",
which LabKey Server will update when any row update is made by the LabKey API methods.
</xs:documentation>
</xs:annotation>
</xs:element>
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