Re: [PR] feat(c/include/arrow-adbc): Add AdbcStatementRequestSchema [arrow-adbc]

["zeroshade (via GitHub)" <gi...@apache.org>]

zeroshade commented on code in PR #3623:
URL: https://github.com/apache/arrow-adbc/pull/3623#discussion_r3236667194


##########
c/include/arrow-adbc/adbc.h:
##########
@@ -2293,6 +2296,36 @@ AdbcStatusCode AdbcStatementExecuteSchema(struct AdbcStatement* statement,
                                           struct ArrowSchema* schema,
                                           struct AdbcError* error);
 
+/// \brief Request the schema of the next statement execution
+///
+/// Allows the caller to request a specific schema based on prior

Review Comment:
   Should we explicitly define the behavior if columns in the result schema are missing from the requested schema and the reverse (columns in the requested schema missing from the result schema)?
   
   What about column ordering? I'm not making any suggestions about what the behavior should be, just that we should explicitly state what the expected behavior should be in those cases.



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