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Port AUTO_INCREMENT false support to mssql

This commit is contained in:
Jinzhu 2018-02-10 08:30:05 +08:00
parent bec55f84c6
commit ae509ab237
1 changed files with 9 additions and 2 deletions
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11
dialects/mssql/mssql.go
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@ -65,14 +65,14 @@ func (s *mssql) DataTypeOf(field *gorm.StructField) string {
case reflect.Bool:
sqlType = "bit"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
if _, ok := field.TagSettings["AUTO_INCREMENT"]; ok || field.IsPrimaryKey {
if s.fieldCanAutoIncrement(field) {
field.TagSettings["AUTO_INCREMENT"] = "AUTO_INCREMENT"
sqlType = "int IDENTITY(1,1)"
} else {
sqlType = "int"
}
case reflect.Int64, reflect.Uint64:
if _, ok := field.TagSettings["AUTO_INCREMENT"]; ok || field.IsPrimaryKey {
if s.fieldCanAutoIncrement(field) {
field.TagSettings["AUTO_INCREMENT"] = "AUTO_INCREMENT"
sqlType = "bigint IDENTITY(1,1)"
} else {
@ -111,6 +111,13 @@ func (s *mssql) DataTypeOf(field *gorm.StructField) string {
return fmt.Sprintf("%v %v", sqlType, additionalType)
}
func (s mssql) fieldCanAutoIncrement(field *gorm.StructField) bool {
if value, ok := field.TagSettings["AUTO_INCREMENT"]; ok {
return value != "FALSE"
}
return field.IsPrimaryKey
}
func (s mssql) HasIndex(tableName string, indexName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM sys.indexes WHERE name=? AND object_id=OBJECT_ID(?)", indexName, tableName).Scan(&count)