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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2015/08/05 22:54:05 UTC

[jira] [Created] (CALCITE-829) Parser for JSON-serialized plans should be more liberal

Julian Hyde created CALCITE-829:
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             Summary: Parser for JSON-serialized plans should be more liberal
                 Key: CALCITE-829
                 URL: https://issues.apache.org/jira/browse/CALCITE-829
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde
            Assignee: Julian Hyde


Following CALCITE-812, the writer and reader for serialized plans (RelJsonWriter, RelJsonReader) adhere to strict JSON. The writer should continue to emit strict JSON but the reader should accept extended JSON: unquoted keys, strings enclosed in single quotes, and comments.

Per the robustness principle https://en.wikipedia.org/wiki/Robustness_principle we should "be conservative in what we send, be liberal in what we accept".

One of the reasons we chose JSON is because it can be written by humans. If we require strict JSON we diminish that.

Similar arguments apply to the JSON model, but are outside the scope of this issue.



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