This looks like a fairly straightforward addition, I assume this is also needed as part of JDBC/ODBC support? I've left a couple comments on the PR.
On Tue, Mar 29, 2022, at 16:05, Rafael Telles wrote: > Hi everyone, > > On Flight SQL, a column metadata field is needed in order to better > disambiguate between SQL column types, for example: A datasource can have > different types for string data, like TEXT, VARCHAR, NVARCHAR, etc. > Currently there is no way of telling the proper column type name on query > results from Flight SQL > > We propose adding a "ARROW:FLIGHT:SQL:TYPE_NAME" entry on field metadata, > you can see the implementation on this PR: > https://github.com/apache/arrow/pull/12747
