goracle/oracle is a package is a translated version of cx_Oracle (by Anthony Tuininga) converted from C (Python module) to Go.
goracle/godrv is a package which is a database/sql/driver.Driver compliant wrapper for goracle/oracle - passes github.com/bradfitz/go-sql-test (as github.com/tgulacsi/go-sql-test).
CHAR, VARCHAR2, NUMBER, DATETIME simple AND array bind/define.
INTERVAL
CURSOR
LONG, LONG RAW, LOB datatypes.
You can build the test executable (for debugging with gdb, for example) with go test -c
You can build a tracing version with the "trace" build tag (go build -tags=trace) that will print out everything before calling OCI C functions.