Created
January 2, 2015 14:57
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go-adodb を使って、バッチファイルで使える MDB の SQL I/F を作った。
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package main | |
import ( | |
"database/sql" | |
"fmt" | |
"os" | |
"strings" | |
_ "github.com/mattn/go-adodb" | |
) | |
func main(){ | |
if len(os.Args) < 3 { | |
fmt.Fprintf(os.Stderr,"Usage: %s MDBFILENAME SQL\n",os.Args[0]) | |
return | |
} | |
if _,err := os.Stat(os.Args[1]) ; err != nil { | |
fmt.Fprintf(os.Stderr,"%s: Not Found(%s)",os.Args[1],err) | |
return | |
} | |
db,dbErr := sql.Open("adodb", | |
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+os.Args[1]) | |
if dbErr != nil { | |
fmt.Fprintln(os.Stderr,dbErr) | |
return | |
} | |
defer db.Close() | |
fmt.Println(os.Args[2]) | |
if strings.HasPrefix(strings.ToLower(os.Args[2]),"select") { | |
rows,err := db.Query(os.Args[2]) | |
if err != nil { | |
fmt.Fprintln(os.Stderr,err) | |
return | |
} | |
defer rows.Close() | |
cols,err := rows.Columns() | |
if err != nil { | |
fmt.Fprintln(os.Stderr,err) | |
return | |
} | |
values := make([]interface{},len(cols),len(cols)) | |
pValues := make([]interface{},len(cols),len(cols)) | |
for i := 0 ; i < len(cols) ; i++ { | |
if i > 0 { | |
fmt.Print(",") | |
} | |
fmt.Print(cols[i]) | |
pValues[i] = &values[i] | |
} | |
fmt.Println() | |
for rows.Next() { | |
if err := rows.Scan(pValues...) ; err != nil { | |
fmt.Fprintln(os.Stderr,err) | |
return | |
} | |
for i,cell := range values { | |
if i > 0 { | |
fmt.Print(",") | |
} | |
fmt.Printf("%v",cell) | |
} | |
fmt.Println() | |
} | |
}else{ | |
_,resultErr := db.Exec(os.Args[2]) | |
if resultErr != nil { | |
fmt.Fprintf(os.Stderr,"%s: %s\n",os.Args[2],resultErr.Error()) | |
return | |
} | |
fmt.Println("done") | |
} | |
} |
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