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MySqlBulkCopyColumnMapping.Expression property

An optional expression for setting a destination column. To use an expression, the DestinationColumn should be set to the name of a user-defined variable and this expression should set a column using that variable.

public string? Expression { get; set; }


To populate a binary column, you must set DestinationColumn to a variable name, and Expression to an expression that uses


to set the column value, e.g.,

`destColumn` = UNHEX(@variableName)


See Also