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main.go
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main.go
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package main
import (
"context"
"database/sql"
"log"
"reflect"
"github.com/qjcg/go-examples/cmd/db-sqlc/tutorial"
_ "embed"
_ "modernc.org/sqlite"
)
//go:embed schema.sql
var ddl string
func run() error {
ctx := context.Background()
db, err := sql.Open("sqlite", "example.sqlite")
if err != nil {
return err
}
// create tables
if _, err := db.ExecContext(ctx, ddl); err != nil {
return err
}
queries := tutorial.New(db)
// list all authors
authors, err := queries.ListAuthors(ctx)
if err != nil {
return err
}
log.Println(authors)
// create an author
insertedAuthor, err := queries.CreateAuthor(ctx, tutorial.CreateAuthorParams{
Name: "Brian Kernighan",
Bio: sql.NullString{
String: "Co-author of The C Programming Language and The Go Programming Language",
Valid: true,
},
})
if err != nil {
return err
}
log.Println(insertedAuthor)
// get the author we just inserted
fetchedAuthor, err := queries.GetAuthor(ctx, insertedAuthor.ID)
if err != nil {
return err
}
// prints true
log.Println(reflect.DeepEqual(insertedAuthor, fetchedAuthor))
return nil
}
func main() {
if err := run(); err != nil {
log.Fatal(err)
}
}