/
db.go
50 lines (46 loc) · 1.23 KB
/
db.go
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package gormx
import (
"database/sql"
"log"
"net/url"
"regexp"
)
func processConnectionUrl(connectionUrl string) (string, string) {
p := regexp.MustCompile(`/(\w+)`)
dbName := ""
conUrl := p.ReplaceAllStringFunc(connectionUrl, func(s string) string {
dbName = s[1:]
return "/"
})
return conUrl, dbName
}
func CreateDB(driverName, connectionUrl string) error {
conUrl, dbName := processConnectionUrl(connectionUrl)
return CreateDBWithConUrl(driverName, conUrl, dbName)
}
func DropDB(driverName, connectionUrl string) error {
conUrl, dbName := processConnectionUrl(connectionUrl)
return DropDBWithConUrl(driverName, conUrl, dbName)
}
func CreateDBWithConUrl(driverName, connectionUrl, dbName string) error {
log.Printf("Create database %s\n", dbName)
url.Parse(connectionUrl)
db, err := sql.Open(driverName, connectionUrl)
if err != nil {
return err
}
defer db.Close()
_, err = db.Exec("CREATE DATABASE " + dbName)
return err
}
func DropDBWithConUrl(driverName, connectionUrl, dbName string) error {
log.Printf("Drop database %s\n", dbName)
url.Parse(connectionUrl)
db, err := sql.Open(driverName, connectionUrl)
if err != nil {
return err
}
defer db.Close()
_, err = db.Exec("DROP DATABASE " + dbName)
return err
}