upgrade acquire method return *sql.Stmt

This commit is contained in:
jianzhiyao 2020-06-23 13:46:19 +08:00
parent a5e8344a0a
commit a28d294a83
1 changed files with 11 additions and 14 deletions

View File

@ -125,7 +125,6 @@ func (d *DB) getStmtDecorator(query string) (*stmtDecorator, error) {
c, ok := d.stmtDecorators.Get(query)
d.RUnlock()
if ok {
c.(*stmtDecorator).acquire()
return c.(*stmtDecorator), nil
}
@ -133,7 +132,6 @@ func (d *DB) getStmtDecorator(query string) (*stmtDecorator, error) {
c, ok = d.stmtDecorators.Get(query)
if ok {
d.Unlock()
c.(*stmtDecorator).acquire()
return c.(*stmtDecorator), nil
}
@ -146,7 +144,6 @@ func (d *DB) getStmtDecorator(query string) (*stmtDecorator, error) {
d.stmtDecorators.Add(query, sd)
d.Unlock()
sd.acquire()
return sd, nil
}
@ -163,7 +160,7 @@ func (d *DB) Exec(query string, args ...interface{}) (sql.Result, error) {
if err != nil {
return nil, err
}
stmt := sd.getStmt()
stmt := sd.acquire()
defer sd.release()
return stmt.Exec(args...)
}
@ -173,7 +170,7 @@ func (d *DB) ExecContext(ctx context.Context, query string, args ...interface{})
if err != nil {
return nil, err
}
stmt := sd.getStmt()
stmt := sd.acquire()
defer sd.release()
return stmt.ExecContext(ctx, args...)
}
@ -183,7 +180,7 @@ func (d *DB) Query(query string, args ...interface{}) (*sql.Rows, error) {
if err != nil {
return nil, err
}
stmt := sd.getStmt()
stmt := sd.acquire()
defer sd.release()
return stmt.Query(args...)
}
@ -193,7 +190,7 @@ func (d *DB) QueryContext(ctx context.Context, query string, args ...interface{}
if err != nil {
return nil, err
}
stmt := sd.getStmt()
stmt := sd.acquire()
defer sd.release()
return stmt.QueryContext(ctx, args...)
}
@ -203,7 +200,7 @@ func (d *DB) QueryRow(query string, args ...interface{}) *sql.Row {
if err != nil {
panic(err)
}
stmt := sd.getStmt()
stmt := sd.acquire()
defer sd.release()
return stmt.QueryRow(args...)
@ -214,7 +211,7 @@ func (d *DB) QueryRowContext(ctx context.Context, query string, args ...interfac
if err != nil {
panic(err)
}
stmt := sd.getStmt()
stmt := sd.acquire()
defer sd.release()
return stmt.QueryRowContext(ctx, args)
}
@ -423,15 +420,14 @@ func GetDB(aliasNames ...string) (*sql.DB, error) {
type stmtDecorator struct {
wg sync.WaitGroup
lastUse int64
stmt *sql.Stmt
}
func (s *stmtDecorator) getStmt() *sql.Stmt {
return s.stmt
}
func (s *stmtDecorator) acquire() {
func (s *stmtDecorator) acquire() *sql.Stmt{
s.wg.Add(1)
s.lastUse = time.Now().Unix()
return s.stmt
}
func (s *stmtDecorator) release() {
@ -447,6 +443,7 @@ func (s *stmtDecorator) destroy() {
func newStmtDecorator(sqlStmt *sql.Stmt) *stmtDecorator {
return &stmtDecorator{
stmt: sqlStmt,
lastUse: time.Now().Unix(),
}
}