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| -rw-r--r-- | doc/src/sgml/regress.sgml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/src/sgml/regress.sgml b/doc/src/sgml/regress.sgml index bf7162bb388..a4ed601ce4c 100644 --- a/doc/src/sgml/regress.sgml +++ b/doc/src/sgml/regress.sgml @@ -314,6 +314,15 @@ The runtime path is /usr/local/pgsql (other paths are possible). </Para> <Para> + Some of the queries in the "timestamp" test will fail if you run + the test on the day of a daylight-savings time changeover, or the + day before or after one. These queries assume that the intervals + between midnight yesterday, midnight today and midnight tomorrow are + exactly twenty-four hours ... which is wrong if daylight-savings time + went into or out of effect meanwhile. + </Para> + + <Para> There appear to be some systems which do not accept the recommended syntax for explicitly setting the local time zone rules; you may need to use a different PGTZ setting on such machines. |