Method unparse

core/src/main/java/org/apache/calcite/sql/SqlDelete.java:142–159

(SqlWriter writer, int leftPrec, int rightPrec)

  }

  @Override public void unparse(SqlWriter writer, int leftPrec, int rightPrec) {
    final SqlWriter.Frame frame =
        writer.startList(SqlWriter.FrameTypeEnum.SELECT, "DELETE FROM", "");
    final int opLeft = getOperator().getLeftPrec();
    final int opRight = getOperator().getRightPrec();
    targetTable.unparse(writer, opLeft, opRight);
    SqlIdentifier alias = this.alias;
    if (alias != null) {
      writer.keyword("AS");
      alias.unparse(writer, opLeft, opRight);
    }
    SqlNode condition = this.condition;
    if (condition != null) {
      writer.sep("WHERE");
      condition.unparse(writer, opLeft, opRight);
    }
    writer.endList(frame);
  }

  @Override public void validate(SqlValidator validator, SqlValidatorScope scope) {
    validator.validateDelete(this);