Method delete

solr/core/src/java/org/apache/solr/update/UpdateLog.java:874–903

(DeleteUpdateCommand cmd)

    }
    return -1;
  }

  public void delete(DeleteUpdateCommand cmd) {
    BytesRef br = cmd.getIndexedId();

    synchronized (this) {
      if ((cmd.getFlags() & UpdateCommand.BUFFERING) != 0) {
        ensureBufferTlog();
        bufferTlog.writeDelete(cmd);
        return;
      }

      long pos = -1;
      if (!updateFromOldTlogs(cmd)) {
        ensureLog();
        pos = tlog.writeDelete(cmd);
      }

      LogPtr ptr = new LogPtr(pos, cmd.version);
      map.put(br, ptr);
      oldDeletes.put(br, ptr);

      if (trace) {
        log.trace(
            "TLOG: added delete for id {} to {} {} map={}",
            cmd.id,
            tlog,
            ptr,
            System.identityHashCode(map));
      }
    }
  }