unimplemented type

[pumoica]

Hello,

Am trying to build a notebook with the following code snippet (compiles and works correctly as a standalone program). However, the kernel chokes and spits out the following message:

repl.go:52:15: unimplemented type: db.Create(&car) <*ast.CallExpr>.

Any suggestions what could cause the problem? The snippet and go env are provided below.

Code Snippet:

import (
    "fmt"
    "log"
    "os"
    "gorm.io/gorm"
    "gorm.io/driver/postgres"
)

type PetExample struct {
    //gorm.Model
    Name   string `json:"name"`
    Animal string `json:"animal"`
}

type CarExample struct {
    //gorm.Model
    Color    string `json:"color"`
    Make     string `json:"make"`
    Year     int    `json:"year"`
    CarModel string `json:"model"`
}

func connectToDB() (*gorm.DB, error) {
    dsn := "<connection string>"

    // Attempt to open a connection to the database.
    db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
    if err != nil {
        return nil, fmt.Errorf("failed to connect to database: %w", err)
    }

    log.Println("Database connection successfully established.")
    return db, nil
}

log.SetOutput(os.Stdout)
log.Println("Attempting to connect to the database...")

var err error
db, err = connectToDB()
log.Printf("DB: %v", db)
if err != nil {
    log.Printf("Error connecting to the database: %v", err)
    // Return or handle the error appropriately
} else {
    log.Println("Connected to the database successfully!")

    // Create a CarExample Model
    car := CarExample{Color: "Red", Make: "Ford", Year: 2019, CarModel: "F150"}
    if err := db.Create(&car).Error; err != nil {
        log.Printf("Failed to create CarExample: %v", err)
    } else {
        log.Printf("CarExample created successfully: %+v", car)
    }
}

Go Env

GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/work/.cache/go-build"
GOENV="/work/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/work/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/work/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.19.4"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
GOWORK=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build2381839480=/tmp/go-build -gno-record-gcc-switches"