Method toSqlString

core/src/main/java/org/apache/calcite/sql/SqlNode.java:154–159

Returns the SQL text of the tree of which this SqlNode is the root. Typical return values are: 'It''s a bird!' NULL 12.3 DATE '1969-04-29' @param transform Transform that sets desired writer configuration

(UnaryOperator<SqlWriterConfig> transform)

   * @param transform   Transform that sets desired writer configuration
   */
  public SqlString toSqlString(UnaryOperator<SqlWriterConfig> transform) {
    final SqlWriterConfig config = transform.apply(SqlPrettyWriter.config());
    SqlPrettyWriter writer = new SqlPrettyWriter(config);
    unparse(writer, 0, 0);
    return writer.toSqlString();
  }

  /**
   * Returns the SQL text of the tree of which this <code>SqlNode</code> is