[FLINK-14784] CsvTableSink miss delimiter when row start with null member

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.9.1
• Fix Version/s: 1.9.2, 1.10.0
• Component/s: Table SQL / API
• Labels: pull-request-available
• Assignee: Leonard Xu
• Reporter: Leonard Xu
• Created: 14/Nov/19 12:41
• Updated: 15/Nov/19 07:16
• Resolved: 15/Nov/19 07:16

Description

//
public String map(Row row) {
   StringBuilder builder = new StringBuilder();
   Object o;
   for (int i = 0; i < row.getArity(); i++) {
      if (builder.length() != 0) {
         builder.append(fieldDelim);
      }
      if ((o = row.getField(i)) != null) {
         builder.append(o);
      }
   }
   return builder.toString();
}

when row start with null member,  result string  will miss delimiter.

Issue Links

• links to: GitHub Pull Request #10199