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Don't create index for join table, close #3294

This commit is contained in:
Jinzhu 2020-08-21 15:40:50 +08:00
parent f88e8b072c
commit 2b510d6423
2 changed files with 7 additions and 4 deletions
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4
schema/relationship.go
View File

@ -225,7 +225,7 @@ func (schema *Schema) buildMany2ManyRelation(relation *Relationship, field *Fiel
Name: joinFieldName,
PkgPath: ownField.StructField.PkgPath,
Type: ownField.StructField.Type,
Tag: removeSettingFromTag(removeSettingFromTag(ownField.StructField.Tag, "column"), "autoincrement"),
Tag: removeSettingFromTag(ownField.StructField.Tag, "column", "autoincrement", "index", "unique", "uniqueindex"),
})
}
@ -248,7 +248,7 @@ func (schema *Schema) buildMany2ManyRelation(relation *Relationship, field *Fiel
Name: joinFieldName,
PkgPath: relField.StructField.PkgPath,
Type: relField.StructField.Type,
Tag: removeSettingFromTag(removeSettingFromTag(relField.StructField.Tag, "column"), "autoincrement"),
Tag: removeSettingFromTag(relField.StructField.Tag, "column", "autoincrement", "index", "unique", "uniqueindex"),
})
}

7
schema/utils.go
View File

@ -51,8 +51,11 @@ func toColumns(val string) (results []string) {
return
}
func removeSettingFromTag(tag reflect.StructTag, name string) reflect.StructTag {
return reflect.StructTag(regexp.MustCompile(`(?i)(gorm:.*?)(`+name+`(:.*?)?)(;|("))`).ReplaceAllString(string(tag), "${1}${5}"))
func removeSettingFromTag(tag reflect.StructTag, names ...string) reflect.StructTag {
for _, name := range names {
tag = reflect.StructTag(regexp.MustCompile(`(?i)(gorm:.*?)(`+name+`(:.*?)?)(;|("))`).ReplaceAllString(string(tag), "${1}${5}"))
}
return tag
}
// GetRelationsValues get relations's values from a reflect value