cf46b27610
P0-1 (limits.go): Allow()方法改为全程使用写锁保护counters map读写，避免RLock写入时的data race P0-2 (ticket_workflow.go+ticket_handler.go): Assign/Resolve/Close操作先查询ticket存在性和状态，返回明确的CS_TICKET_4001/CS_TKT_4002/CS_TICKET_4092/CS_TICKET_4093错误码，handler根据错误前缀路由HTTP状态码 P1-1 (ticket_store.go): 移除GetStats中3处手动rows.Close()，只保留defer Close()
44 lines
811 B
Go
44 lines
811 B
Go
package postgres
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import (
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"context"
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"database/sql"
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"fmt"
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"time"
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_ "github.com/lib/pq"
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)
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type Config struct {
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DSN string
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MaxOpenConns int
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MaxIdleConns int
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ConnMaxLifetime time.Duration
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}
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func Open(cfg Config) (*sql.DB, error) {
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if cfg.DSN == "" {
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return nil, fmt.Errorf("dsn is required")
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}
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db, err := sql.Open("postgres", cfg.DSN)
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if err != nil {
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return nil, err
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}
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if cfg.MaxOpenConns > 0 {
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db.SetMaxOpenConns(cfg.MaxOpenConns)
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}
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if cfg.MaxIdleConns > 0 {
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db.SetMaxIdleConns(cfg.MaxIdleConns)
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}
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if cfg.ConnMaxLifetime > 0 {
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db.SetConnMaxLifetime(cfg.ConnMaxLifetime)
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}
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := db.PingContext(ctx); err != nil {
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_ = db.Close()
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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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