FIX: use WithHigherPrecision context to ensure Query returns natural type rather than string.
See snowflakedb/gosnowflake#517 (comment)
Reproducible code for gosnowflake issue.
Run go build . to build. Then run ./gosnowflake-bug-reproduce to reproduce the bug.
Note: make sure env vars SNOWFLAKE_TEST_ACCOUNT, SNOWFLAKE_TEST_USER and SNOWFLAKE_TEST_PASSWORD are configured correctly.