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Code Issues Releases Activity

Merge pull request #4203 from jianzhiyao/frt/proposal_4105

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warpping for global modelCache
This commit is contained in:
Ming Deng 2020-09-17 21:11:33 +08:00 committed by GitHub
commit fbaf3380c6
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2 changed files with 14 additions and 16 deletions
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23
pkg/client/orm/models.go
View File

@ -33,10 +33,7 @@ const (
) )
var ( var (
modelCache = &_modelCache{ modelCache = NewModelCacheHandler()
cache: make(map[string]*modelInfo),
cacheByFullName: make(map[string]*modelInfo),
}
) )
// model info collection // model info collection
@ -48,6 +45,14 @@ type _modelCache struct {
done bool done bool
} }
//NewModelCacheHandler generator of _modelCache
func NewModelCacheHandler() *_modelCache {
return &_modelCache{
cache: make(map[string]*modelInfo),
cacheByFullName: make(map[string]*modelInfo),
}
}
// get all model info // get all model info
func (mc *_modelCache) all() map[string]*modelInfo { func (mc *_modelCache) all() map[string]*modelInfo {
m := make(map[string]*modelInfo, len(mc.cache)) m := make(map[string]*modelInfo, len(mc.cache))
@ -321,7 +326,7 @@ end:
fmt.Println(err) fmt.Println(err)
debug.PrintStack() debug.PrintStack()
} }
modelCache.done = true mc.done = true
return return
} }
@ -404,14 +409,14 @@ func (mc *_modelCache) register(prefixOrSuffixStr string, prefixOrSuffix bool, m
//getDbDropSQL get database scheme drop sql queries //getDbDropSQL get database scheme drop sql queries
func (mc *_modelCache) getDbDropSQL(al *alias) (queries []string, err error) { func (mc *_modelCache) getDbDropSQL(al *alias) (queries []string, err error) {
if len(modelCache.cache) == 0 { if len(mc.cache) == 0 {
err = errors.New("no Model found, need register your model") err = errors.New("no Model found, need register your model")
return return
} }
Q := al.DbBaser.TableQuote() Q := al.DbBaser.TableQuote()
for _, mi := range modelCache.allOrdered() { for _, mi := range mc.allOrdered() {
queries = append(queries, fmt.Sprintf(`DROP TABLE IF EXISTS %s%s%s`, Q, mi.table, Q)) queries = append(queries, fmt.Sprintf(`DROP TABLE IF EXISTS %s%s%s`, Q, mi.table, Q))
} }
return queries, nil return queries, nil
@ -419,7 +424,7 @@ func (mc *_modelCache) getDbDropSQL(al *alias) (queries []string, err error) {
//getDbCreateSQL get database scheme creation sql queries //getDbCreateSQL get database scheme creation sql queries
func (mc *_modelCache) getDbCreateSQL(al *alias) (queries []string, tableIndexes map[string][]dbIndex, err error) { func (mc *_modelCache) getDbCreateSQL(al *alias) (queries []string, tableIndexes map[string][]dbIndex, err error) {
if len(modelCache.cache) == 0 { if len(mc.cache) == 0 {
err = errors.New("no Model found, need register your model") err = errors.New("no Model found, need register your model")
return return
} }
@ -430,7 +435,7 @@ func (mc *_modelCache) getDbCreateSQL(al *alias) (queries []string, tableIndexes
tableIndexes = make(map[string][]dbIndex) tableIndexes = make(map[string][]dbIndex)
for _, mi := range modelCache.allOrdered() { for _, mi := range mc.allOrdered() {
sql := fmt.Sprintf("-- %s\n", strings.Repeat("-", 50)) sql := fmt.Sprintf("-- %s\n", strings.Repeat("-", 50))
sql += fmt.Sprintf("-- Table Structure for `%s`\n", mi.fullName) sql += fmt.Sprintf("-- Table Structure for `%s`\n", mi.fullName)
sql += fmt.Sprintf("-- %s\n", strings.Repeat("-", 50)) sql += fmt.Sprintf("-- %s\n", strings.Repeat("-", 50))

7
pkg/client/orm/models_boot.go
View File

@ -14,15 +14,8 @@
package orm package orm
import (
"fmt"
)
// RegisterModel register models // RegisterModel register models
func RegisterModel(models ...interface{}) { func RegisterModel(models ...interface{}) {
if modelCache.done {
panic(fmt.Errorf("RegisterModel must be run before BootStrap"))
}
RegisterModelWithPrefix("", models...) RegisterModelWithPrefix("", models...)
} }