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fix(extension): skip MEOS timezone init when no zoneinfo on system (unblocks musl probe) #182

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Merged
estebanzimanyi merged 1 commit into from
Jul 29, 2026
Merged

fix(extension): skip MEOS timezone init when no zoneinfo on system (unblocks musl probe) #182

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13 changes: 11 additions & 2 deletions src/mobilityduck_extension.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -228,8 +228,17 @@ static void LoadInternal(ExtensionLoader &loader) {
/* Set the MEOS timezone to Europe/Brussels so that all temporal-type
* text I/O uses a consistent, named timezone on every platform.
* Brussels is a non-UTC zone that surfaces bugs hidden by UTC (e.g.
* off-by-one-hour errors in timestamp handling). */
meos_initialize_timezone("Europe/Brussels");
* off-by-one-hour errors in timestamp handling).
*
* Skip the timezone init when no IANA timezone database is present on
* the system (Alpine/musl images, minimal containers, edge devices).
* Without /usr/share/zoneinfo, MEOS's pgtz code fails on opendir;
* skipping the timezone init lets the extension load against UTC
* instead of erroring at startup. */
struct stat tz_st {};
if (stat("/usr/share/zoneinfo", &tz_st) == 0 && (tz_st.st_mode & S_IFDIR)) {
meos_initialize_timezone("Europe/Brussels");
}
meos_initialize_error_handler(&MobilityduckMeosErrorHandler);
});

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