code: protected void initializeBatch(String databaseName, String table)
        throws SQLException {
      this.insertStmtPrefix = createInsertStatementStr(databaseName, table);
      this.insertPstmtForFixedBatch =
          this.conn.prepareStatement(createPrepareStatementStr(this.batchSize));
      LOG.info(String.format("Initialized for %s insert " + this, (this.batchSize > 1) ? "batch" : ""));
    }
docs: Initializes variables for batch insert and pre-compute PreparedStatement based on requested batch size and parameter size.
  @param databaseName
  @param table
  @throws SQLException