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使用全局预编译正则表达式以提升性能

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Tuuz
2026-04-13 21:27:04 +08:00
parent 7b2c7789c9
commit e6576a8429
1 changed files with 7 additions and 6 deletions
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builder_interface.go
+7 -6
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@@ -19,22 +19,23 @@ type IFieldQuotes interface {
AddFieldQuotes(field string) string
}
// 全局预编译正则: 只初始化一次, 性能提升巨大!!!
var fieldReg = regexp.MustCompile(`^[\w-]+$`)
type FieldQuotesDefault struct {
}
func (FieldQuotesDefault) AddFieldQuotes(field string) string {
// 修复：支持字母、数字、下划线、横杠 -
reg := regexp.MustCompile(`^[\w-]+$`)
if reg.MatchString(field) {
// 直接使用全局编译好的正则, 不再重复编译
if fieldReg.MatchString(field) {
return fmt.Sprintf("`%s`", field)
}
return field
}
func (FieldQuotesDefault) AddFieldQuotesOracle(field string) string {
// 修复：支持字母、数字、下划线、横杠 -
reg := regexp.MustCompile(`^[\w-]+$`)
if reg.MatchString(field) {
// 共用同一个正则规则
if fieldReg.MatchString(field) {
return fmt.Sprintf("\"%s\"", field)
}
return field