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fix(algo): use _putenv_s on Windows for ARROW_DEFAULT_MEMORY_POOL #51

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Merged
adsharma merged 1 commit into from
Aug 9, 2026
Merged

fix(algo): use _putenv_s on Windows for ARROW_DEFAULT_MEMORY_POOL #51

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7 changes: 7 additions & 0 deletions algo/src/main/algo_extension.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,14 @@ void AlgoExtension::load(main::ClientContext* context) {
// full-suite runs). Steer Arrow to the system allocator once, before its default pool is
// first used; Arrow reads this env var lazily, and load() runs before any GDS allocation.
// overwrite=0 respects a user-provided value.
#if defined(_WIN32)
// setenv() is not available on MSVC; _putenv_s always overwrites, so check first.
if (getenv("ARROW_DEFAULT_MEMORY_POOL") == nullptr) {
_putenv_s("ARROW_DEFAULT_MEMORY_POOL", "system");
}
#else
setenv("ARROW_DEFAULT_MEMORY_POOL", "system", 0);
#endif
#endif
auto& db = *context->getDatabase();
ExtensionUtils::addTableFunc<SCCFunction>(db);
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