65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package db
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import (
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"context"
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"fmt"
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"os"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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var dbpool *pgxpool.Pool
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var ctx = context.Background()
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func InitDB(host string, port int, user string, password string, dbname string) {
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psqlInfo := fmt.Sprintf("host=%s port=%d user=%s "+
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"password=%s dbname=%s sslmode=disable",
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host, port, user, password, dbname)
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fmt.Println(psqlInfo)
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var err error
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dbpool, err = pgxpool.New(ctx, psqlInfo)
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if err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
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os.Exit(1)
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}
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var success string
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err = dbpool.QueryRow(ctx, "select 'Successfully connected!'").Scan(&success)
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if err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
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os.Exit(1)
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}
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Testf()
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fmt.Println(success)
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}
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func CloseDb() {
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dbpool.Close()
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}
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func Testf() {
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rows, dbErr := dbpool.Query(ctx, "select game_name from game")
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if dbErr != nil {
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_, _ = fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", dbErr)
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os.Exit(1)
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}
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for rows.Next() {
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var gameName string
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dbErr = rows.Scan(&gameName)
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if dbErr != nil {
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_, _ = fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", dbErr)
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}
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_, _ = fmt.Fprintf(os.Stderr, "%v\n", gameName)
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}
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}
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func resetGameIdSeq() {
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_, err := dbpool.Query(ctx, "SELECT setval('game_id_seq', (SELECT MAX(id) FROM game)+1);")
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if err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "Exec failed: %v\n", err)
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}
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}
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