Files
skybridge/faas/internal/database/postgres.go
2025-08-30 21:17:23 -04:00

60 lines
1.2 KiB
Go

package database
import (
"database/sql"
"fmt"
"time"
_ "github.com/lib/pq"
"go.uber.org/zap"
)
type PostgresProvider struct {
db *sql.DB
logger *zap.Logger
}
func NewPostgresProvider(dsn string, maxOpenConns, maxIdleConns int, connMaxLifetime string, logger *zap.Logger) (*sql.DB, error) {
db, err := sql.Open("postgres", dsn)
if err != nil {
return nil, fmt.Errorf("failed to open database connection: %w", err)
}
// Configure connection pool
db.SetMaxOpenConns(maxOpenConns)
db.SetMaxIdleConns(maxIdleConns)
if connMaxLifetime != "" {
lifetime, err := time.ParseDuration(connMaxLifetime)
if err != nil {
return nil, fmt.Errorf("invalid connection max lifetime: %w", err)
}
db.SetConnMaxLifetime(lifetime)
}
// Test the connection
if err := db.Ping(); err != nil {
db.Close()
return nil, fmt.Errorf("failed to ping database: %w", err)
}
return db, nil
}
func (p *PostgresProvider) Close() error {
if p.db != nil {
return p.db.Close()
}
return nil
}
func (p *PostgresProvider) Ping() error {
if p.db != nil {
return p.db.Ping()
}
return fmt.Errorf("database connection is nil")
}
func (p *PostgresProvider) GetDB() *sql.DB {
return p.db
}