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23 results

variable.c

  • Tom Lane's avatar
    6412f3e2
    Reject out-of-range numeric timezone specifications. · 6412f3e2
    Tom Lane authored
    In commit 631dc390, we started to handle
    simple numeric timezone offsets via the zic library instead of the old
    CTimeZone/HasCTZSet kluge.  However, we overlooked the fact that the zic
    code will reject UTC offsets exceeding a week (which seems a bit arbitrary,
    but not because it's too tight ...).  This led to possibly setting
    session_timezone to NULL, which results in crashes in most timezone-related
    operations as of 9.4, and crashes in a small number of places even before
    that.  So check for NULL return from pg_tzset_offset() and report an
    appropriate error message.  Per bug #11014 from Duncan Gillis.
    
    Back-patch to all supported branches, like the previous patch.
    (Unfortunately, as of today that no longer includes 8.4.)
    6412f3e2
    History
    Reject out-of-range numeric timezone specifications.
    Tom Lane authored
    In commit 631dc390, we started to handle
    simple numeric timezone offsets via the zic library instead of the old
    CTimeZone/HasCTZSet kluge.  However, we overlooked the fact that the zic
    code will reject UTC offsets exceeding a week (which seems a bit arbitrary,
    but not because it's too tight ...).  This led to possibly setting
    session_timezone to NULL, which results in crashes in most timezone-related
    operations as of 9.4, and crashes in a small number of places even before
    that.  So check for NULL return from pg_tzset_offset() and report an
    appropriate error message.  Per bug #11014 from Duncan Gillis.
    
    Back-patch to all supported branches, like the previous patch.
    (Unfortunately, as of today that no longer includes 8.4.)