public void setColumn(java.util.Collection<String> column) {
        if (column == null) {
            this.column = null;
            return;
        }

        this.column = new java.util.ArrayList<String>(column);
    }
<p>
Specifies the column on the data set on which the aggregation function will be applied.
</p>

@param column
       Specifies the column on the data set on which the aggregation function will be applied.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/AggregateOperation.java