On Thu, Jun 26, 2014 at 7:59 AM, James Le Cuirot <chewi@xxxxxxxxxxxxxxxxx> wrote: > On Thu, 26 Jun 2014 07:23:02 -0500 > Merlin Moncure <mmoncure@xxxxxxxxx> wrote: >> To be clear, Tom was advising not to rely on some of the quirky >> aspects of -c. psql as it stands right now has a some limitations: >> single transaction mode does not work with stdin and there is no >> reasonable way to pass multiple scripts through the command line. >> Adding it up this means that for generic multiple .sql passing you >> have to wrap psql with a script. > > I never said that I wanted to pass multiple scripts, just singular > scripts who's contents might be too large for the command line limit, > and that they might contain transaction statements. yup. Passing huge scripts via -c is definitely not a good practice. -c is designed for things like firing off a stored procedure from cron or bash variable assignment (for example: FOO=`psql -tXAqc"select bar()"`) > These scripts come from a Ruby string buffer so passing them via stdin > would be preferable to having to dump them out to a file first. You say > that single transaction mode doesn't work with stdin but it looks like > this was fixed in 9.3. yup -- i keep forgetting that. too many years of not having it i suppose. merlin