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Code Issues Releases Activity

adapt wrapping kv

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This commit is contained in:
jianzhiyao 2020-07-29 00:45:41 +08:00
parent 4304b40a82
commit e87de70c6d
5 changed files with 54 additions and 79 deletions
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52
pkg/orm/db_alias.go
View File

@ -18,7 +18,6 @@ import (
"context"
"database/sql"
"fmt"
"github.com/astaxie/beego/pkg/orm/hints"
"sync"
"time"
@ -341,12 +340,30 @@ func detectTZ(al *alias) {
}
func addAliasWthDB(aliasName, driverName string, db *sql.DB, params ...common.KV) (*alias, error) {
existErr := fmt.Errorf("DataBase alias name `%s` already registered, cannot reuse", aliasName)
if _, ok := dataBaseCache.get(aliasName); ok {
return nil, existErr
}
al, err := newAliasWithDb(aliasName, driverName, db, params...)
if err != nil {
return nil, err
}
if !dataBaseCache.add(aliasName, al) {
return nil, existErr
}
return al, nil
}
func newAliasWithDb(aliasName, driverName string, db *sql.DB, params ...common.KV)(*alias, error){
kvs := common.NewKVs(params...)
var stmtCache *lru.Cache
var stmtCacheSize int
maxStmtCacheSize := kvs.GetValueOr(MaxStmtCacheSize, 0).(int)
maxStmtCacheSize := kvs.GetValueOr(maxStmtCacheSizeKey, 0).(int)
if maxStmtCacheSize > 0 {
_stmtCache, errC := newStmtDecoratorLruWithEvict(maxStmtCacheSize)
if errC != nil {
@ -379,18 +396,20 @@ func addAliasWthDB(aliasName, driverName string, db *sql.DB, params ...common.KV
return nil, fmt.Errorf("register db Ping `%s`, %s", aliasName, err.Error())
}
if !dataBaseCache.add(aliasName, al) {
return nil, fmt.Errorf("DataBase alias name `%s` already registered, cannot reuse", aliasName)
}
detectTZ(al)
kvs.IfContains(MaxIdleConnsKey, func(value interface{}) {
SetMaxIdleConns(al.Name, value.(int))
}).IfContains(MaxOpenConnsKey, func(value interface{}) {
SetMaxOpenConns(al.Name, value.(int))
}).IfContains(ConnMaxLifetimeKey, func(value interface{}) {
SetConnMaxLifetime(al.Name, value.(time.Duration))
kvs.IfContains(maxIdleConnectionsKey, func(value interface{}) {
if m, ok := value.(int); ok {
SetMaxIdleConns(al, m)
}
}).IfContains(maxOpenConnectionsKey, func(value interface{}) {
if m, ok := value.(int); ok {
SetMaxOpenConns(al, m)
}
}).IfContains(connMaxLifetimeKey, func(value interface{}) {
if m, ok := value.(time.Duration); ok {
SetConnMaxLifetime(al, m)
}
})
return al, nil
@ -458,21 +477,18 @@ func SetDataBaseTZ(aliasName string, tz *time.Location) error {
}
// SetMaxIdleConns Change the max idle conns for *sql.DB, use specify database alias name
func SetMaxIdleConns(aliasName string, maxIdleConns int) {
al := getDbAlias(aliasName)
func SetMaxIdleConns(al *alias, maxIdleConns int) {
al.MaxIdleConns = maxIdleConns
al.DB.DB.SetMaxIdleConns(maxIdleConns)
}
// SetMaxOpenConns Change the max open conns for *sql.DB, use specify database alias name
func SetMaxOpenConns(aliasName string, maxOpenConns int) {
al := getDbAlias(aliasName)
func SetMaxOpenConns(al *alias, maxOpenConns int) {
al.MaxOpenConns = maxOpenConns
al.DB.DB.SetMaxOpenConns(maxOpenConns)
}
func SetConnMaxLifetime(aliasName string, lifeTime time.Duration) {
al := getDbAlias(aliasName)
func SetConnMaxLifetime(al *alias, lifeTime time.Duration) {
al.ConnMaxLifetime = lifeTime
al.DB.DB.SetConnMaxLifetime(lifeTime)
}

20
pkg/orm/db_alias_test.go
View File

@ -37,10 +37,7 @@ func TestRegisterDataBase(t *testing.T) {
func TestRegisterDataBase_MaxStmtCacheSizeNegative1(t *testing.T) {
aliasName := "TestRegisterDataBase_MaxStmtCacheSizeNegative1"
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, common.KV{
Key: MaxStmtCacheSize,
Value: -1,
})
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, MaxStmtCacheSize(-1))
assert.Nil(t, err)
al := getDbAlias(aliasName)
@ -50,10 +47,7 @@ func TestRegisterDataBase_MaxStmtCacheSizeNegative1(t *testing.T) {
func TestRegisterDataBase_MaxStmtCacheSize0(t *testing.T) {
aliasName := "TestRegisterDataBase_MaxStmtCacheSize0"
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, common.KV{
Key: MaxStmtCacheSize,
Value: 0,
})
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, MaxStmtCacheSize(0))
assert.Nil(t, err)
al := getDbAlias(aliasName)
@ -63,10 +57,7 @@ func TestRegisterDataBase_MaxStmtCacheSize0(t *testing.T) {
func TestRegisterDataBase_MaxStmtCacheSize1(t *testing.T) {
aliasName := "TestRegisterDataBase_MaxStmtCacheSize1"
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, common.KV{
Key: MaxStmtCacheSize,
Value: 1,
})
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, MaxStmtCacheSize(1))
assert.Nil(t, err)
al := getDbAlias(aliasName)
@ -76,10 +67,7 @@ func TestRegisterDataBase_MaxStmtCacheSize1(t *testing.T) {
func TestRegisterDataBase_MaxStmtCacheSize841(t *testing.T) {
aliasName := "TestRegisterDataBase_MaxStmtCacheSize841"
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, common.KV{
Key: MaxStmtCacheSize,
Value: 841,
})
err := RegisterDataBase(aliasName, DBARGS.Driver, DBARGS.Source, MaxStmtCacheSize(841))
assert.Nil(t, err)
al := getDbAlias(aliasName)

6
pkg/orm/db_hints.go
View File

@ -40,6 +40,7 @@ const (
maxIdleConnectionsKey = "MaxIdleConnections"
maxOpenConnectionsKey = "MaxOpenConnections"
connMaxLifetimeKey = "ConnMaxLifetime"
maxStmtCacheSizeKey = "MaxStmtCacheSize"
)
var _ common.KV = new(Hint)
@ -59,6 +60,11 @@ func ConnMaxLifetime(v time.Duration) *Hint {
return NewHint(connMaxLifetimeKey, v)
}
// MaxStmtCacheSize return a hint about MaxStmtCacheSize
func MaxStmtCacheSize(v int) *Hint {
return NewHint(maxStmtCacheSizeKey, v)
}
// NewHint return a hint
func NewHint(key interface{}, value interface{}) *Hint {
return &Hint{

7
pkg/orm/db_hints_test.go
View File

@ -67,3 +67,10 @@ func TestMaxIdleConnections(t *testing.T) {
assert.Equal(t, hint.GetValue(), i)
assert.Equal(t, hint.GetKey(), maxIdleConnectionsKey)
}
func TestMaxStmtCacheSize(t *testing.T) {
i := 94157
hint := MaxStmtCacheSize(i)
assert.Equal(t, hint.GetValue(), i)
assert.Equal(t, hint.GetKey(), maxStmtCacheSizeKey)
}

48
pkg/orm/orm.go
View File

@ -59,10 +59,8 @@ import (
"errors"
"fmt"
"github.com/astaxie/beego/pkg/common"
lru "github.com/hashicorp/golang-lru"
"os"
"reflect"
"sync"
"time"
"github.com/astaxie/beego/logs"
@ -612,51 +610,11 @@ func NewOrm() Ormer {
// NewOrmWithDB create a new ormer object with specify *sql.DB for query
func NewOrmWithDB(driverName, aliasName string, db *sql.DB, params ...common.KV) (Ormer, error) {
var al *alias
if dr, ok := drivers[driverName]; ok {
al = new(alias)
al.DbBaser = dbBasers[dr]
al.Driver = dr
} else {
return nil, fmt.Errorf("driver name `%s` have not registered", driverName)
al, err := newAliasWithDb(aliasName, driverName, db, params...)
if err != nil {
return nil, err
}
kvs := common.NewKVs(params...)
var stmtCache *lru.Cache
var stmtCacheSize int
maxStmtCacheSize := kvs.GetValueOr(MaxStmtCacheSize, 0).(int)
if maxStmtCacheSize > 0 {
_stmtCache, errC := newStmtDecoratorLruWithEvict(maxStmtCacheSize)
if errC != nil {
return nil, errC
} else {
stmtCache = _stmtCache
stmtCacheSize = maxStmtCacheSize
}
}
al.Name = aliasName
al.DriverName = driverName
al.DB = &DB{
RWMutex: new(sync.RWMutex),
DB: db,
stmtDecorators: stmtCache,
stmtDecoratorsLimit: stmtCacheSize,
}
detectTZ(al)
kvs.IfContains(MaxIdleConnsKey, func(value interface{}) {
SetMaxIdleConns(al.Name, value.(int))
}).IfContains(MaxOpenConnsKey, func(value interface{}) {
SetMaxOpenConns(al.Name, value.(int))
}).IfContains(ConnMaxLifetimeKey, func(value interface{}) {
SetConnMaxLifetime(al.Name, value.(time.Duration))
})
o := new(orm)
o.alias = al