43 lines
922 B
Go
43 lines
922 B
Go
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package main
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import (
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"database/sql"
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"fmt"
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"github.com/go-sql-driver/mysql"
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"github.com/jackc/pgx/v5"
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)
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func connect(database string) (db *sql.DB, err error) {
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switch cfg.DBType {
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case "mysql", "mariadb":
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connInfo, err := mysql.ParseDSN(cfg.DSN)
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if err != nil {
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return nil, fmt.Errorf("parsing DSN: %w", err)
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}
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connInfo.DBName = database
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if db, err = sql.Open("mysql", connInfo.FormatDSN()); err != nil {
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return nil, fmt.Errorf("opening db connection: %w", err)
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}
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return db, nil
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case "postgres", "pg", "crdb":
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connInfo, err := pgx.ParseConfig(cfg.DSN)
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if err != nil {
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return nil, fmt.Errorf("parsing DSN: %w", err)
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}
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connInfo.Database = database
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if db, err = sql.Open("pgx", connInfo.ConnString()); err != nil {
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return nil, fmt.Errorf("opening db connection: %w", err)
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}
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return db, nil
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default:
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return nil, fmt.Errorf("unknown database type %q", cfg.DBType)
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}
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}
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