On the whole this email is very confusing/hard-to-follow... On Wed, May 2, 2018 at 2:29 PM, Jim Michaels <jmicha...@gmail.com> wrote:
> what do you think about foreign data wrappers getting CSV file table I/O? > > I don't understand the question... > I had thought that CSVQL db could be implemented completely with > small amount of memory and file I/O, line at a time > Do you no longer think that then? I don't see PostgreSQL being all that open to implementing a second query language beside SQL - and doing it functionally seems unlikely unless, like with JSON, you are storing entire CSV files in a table field. > - the microsoft patented CSV would be required for implementation. it > handles special data with commas and double-quotes in them > If true this seems like a show-stopper to anything PostgreSQL would implement - biggest needed feature is an easier-to-use ALTER TABLE RENAME. a > memorable alternative/alias would be simply RENAME COLUMN columnName > TO newColumnName. > I don't see us adding new syntax for this... David J.