mirror of
https://github.com/teivah/100-go-mistakes.git
synced 2026-06-22 01:17:11 +08:00
33 lines
503 B
Go
33 lines
503 B
Go
package main
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import (
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"database/sql"
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"log"
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"os"
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)
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var db *sql.DB
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func init() {
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dataSourceName := os.Getenv("MYSQL_DATA_SOURCE_NAME")
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d, err := sql.Open("mysql", dataSourceName)
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if err != nil {
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log.Panic(err)
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}
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err = d.Ping()
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if err != nil {
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log.Panic(err)
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}
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db = d
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}
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func createClient(dataSourceName string) (*sql.DB, error) {
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db, err := sql.Open("mysql", dataSourceName)
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if err != nil {
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return nil, err
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}
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if err = db.Ping(); err != nil {
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return nil, err
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}
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return db, nil
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}
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