On Tue, Aug 21, 2007 at 04:38:42PM -0500, Scott Marlowe wrote: > On 8/21/07, Bill Thoen <bthoen@xxxxxxxxxx> wrote: > > How would you suggest I try to track down this problem? > > I run the following query: > > > > SELECT a.* FROM compliance_2006 a, ers_regions b > > WHERE a.fips_st_cd=b.fips_st > > AND a.fips_cnty_cd=b.fips_cou AND b.region =1 > > AND a.fips_st_cd='17' AND a.fips_cnty_cd='003'; > > > > and it works. But when I try this: > > > > SELECT a.* FROM compliance_2006 a, ers_regions b > > WHERE a.fips_st_cd=b.fips_st > > AND a.fips_cnty_cd=b.fips_cou AND b.region =1 > > AND a.fips_st_cd='17' ; > > > > psql dies with the message: > > Segmentation Fault. > > so the client psql is what's dieing right? In that case you likely > are getting too big a result set for psql to handle at once. Trying > declaring a cursor to hold your query and fetching 100 or 1000 or so > rows at a time. > > Just guessing. What's the exact text of the error message? > The exact message was: Segmentation Fault. But the table compliance_2006 is very big (18 million plus records) so I'll try that cursor idea. But even so, an error like that makes me think that something's broken. ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq