tokoko commented on code in PR #54360:
URL: https://github.com/apache/arrow/pull/54360#discussion_r4335325870
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cpp/src/arrow/flight/sql/types.h:
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@@ -849,6 +849,20 @@ struct ARROW_FLIGHT_SQL_EXPORT SqlInfoOptions {
/// escape syntax is supported.
SQL_STORED_FUNCTIONS_USING_CALL_SYNTAX_SUPPORTED = 576,
+ /// Retrieves a UTF-8 string containing a Substrait dialect: a YAML
+ /// document, conforming to the Substrait dialect schema, that lists the
+ /// types, relations, expressions and function signatures the server
+ /// accepts in a Substrait plan. Should only be returned if
+ /// FLIGHT_SQL_SERVER_SUBSTRAIT is true. Its absence means that the server
+ /// does not describe which part of Substrait it accepts.
Review Comment:
I don't think it's in the docs 😞 I can link to schema
[definition](https://github.com/substrait-io/substrait/blob/main/text/dialect_schema.yaml)
in gh instead (at least for now). sounds good?
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