public void setColumnInfo(java.util.Collection<ColumnInfo> columnInfo) {
        if (columnInfo == null) {
            this.columnInfo = null;
            return;
        }

        this.columnInfo = new java.util.ArrayList<ColumnInfo>(columnInfo);
    }
<p>
Information about the columns returned in a query result metadata.
</p>

@param columnInfo
       Information about the columns returned in a query result metadata.
aws-java-sdk-athena/src/main/java/com/amazonaws/services/athena/model/ResultSetMetadata.java