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Disable DSN default values on macOS #158

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Merged
alinaliBQ merged 2 commits into from
Feb 25, 2026
Merged

Disable DSN default values on macOS #158

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31eff6c
Remove DSN default values on macOS
alinaliBQ Feb 24, 2026
2275022
Work on Justin's comment
alinaliBQ Feb 24, 2026
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18 changes: 16 additions & 2 deletions cpp/src/arrow/flight/sql/odbc/odbc_impl/config/configuration.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -130,16 +130,30 @@ void Configuration::LoadDsn(const std::string& dsn) {
Set(FlightSqlConnection::TOKEN, ReadDsnString(dsn, FlightSqlConnection::TOKEN));
Set(FlightSqlConnection::UID, ReadDsnString(dsn, FlightSqlConnection::UID));
Set(FlightSqlConnection::PWD, ReadDsnString(dsn, FlightSqlConnection::PWD));
Set(FlightSqlConnection::USE_ENCRYPTION,
ReadDsnString(dsn, FlightSqlConnection::USE_ENCRYPTION, DEFAULT_ENABLE_ENCRYPTION));
Set(FlightSqlConnection::TRUSTED_CERTS,
ReadDsnString(dsn, FlightSqlConnection::TRUSTED_CERTS));

#ifdef __APPLE__
// macOS iODBC treats non-empty defaults as the real values when reading from system
// DSN, so we don't pass defaults on macOS.
// GH-49387 TODO: enable default values on macOS
Set(FlightSqlConnection::USE_ENCRYPTION,
ReadDsnString(dsn, FlightSqlConnection::USE_ENCRYPTION));
Set(FlightSqlConnection::USE_SYSTEM_TRUST_STORE,
ReadDsnString(dsn, FlightSqlConnection::USE_SYSTEM_TRUST_STORE));
Set(FlightSqlConnection::DISABLE_CERTIFICATE_VERIFICATION,
ReadDsnString(dsn, FlightSqlConnection::DISABLE_CERTIFICATE_VERIFICATION));
#else
// Windows and Linux
Set(FlightSqlConnection::USE_ENCRYPTION,
ReadDsnString(dsn, FlightSqlConnection::USE_ENCRYPTION, DEFAULT_ENABLE_ENCRYPTION));
Set(FlightSqlConnection::USE_SYSTEM_TRUST_STORE,
ReadDsnString(dsn, FlightSqlConnection::USE_SYSTEM_TRUST_STORE,
DEFAULT_USE_CERT_STORE));
Set(FlightSqlConnection::DISABLE_CERTIFICATE_VERIFICATION,
ReadDsnString(dsn, FlightSqlConnection::DISABLE_CERTIFICATE_VERIFICATION,
DEFAULT_DISABLE_CERT_VERIFICATION));
#endif

auto customKeys = ReadAllKeys(dsn);
RemoveAllKnownKeys(customKeys);
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