Alvaro Herrera wrote: > Hi Dave, > > Excerpts from Dave Cramer's message of lun oct 18 12:23:40 -0300 2010: > > as seen below create tablespace does not throw an error or appear to > > do anything other than register the tablespace. > > > > postg...@db01:~> less /opt/pg/data/jnj_indexes/PG_VERSION > > 8.4 > > postg...@db01:~> /opt/pg91/bin/psql -p 5433 > > psql (9.0.1) > > Type "help" for help. > > > > postgres=# select version(); > > version > > ------------------------------------------------------------------------------------------------------------------- > > PostgreSQL 9.0.1 on x86_64-unknown-linux-gnu, compiled by GCC gcc > > (GCC) 3.4.6 20060404 (Red Hat 3.4.6-11), 64-bit > > (1 row) > > > > postgres=# create TABLESPACE jnj_indexes location > > '/opt/pg/data/jnj_indexes'; > > CREATE TABLESPACE > > IIRC the reason this works is that the tablespace code now creates a > version-specific subdirectory inside the specified directory. This was > done to help binary upgrades.
Right, the directory is catalog-version named, which was done to allow for pg_upgrade to work for alpha/beta upgrades (pretty cool). The case above happened because 8.4 still has data in that tablespace. pg_upgrade does supply a script to delete old data files, but it was not used in the case above. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
