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Added separate function to generate primary keys

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This commit is contained in:
Thomas Boerger 2016-03-21 15:16:04 +01:00
parent e84e58d3c0
commit 133176c3fb
4 changed files with 23 additions and 2 deletions
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2
dialect.go
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@ -20,6 +20,8 @@ type Dialect interface {
BindVar(i int) string
// Quote quotes field name to avoid SQL parsing exceptions by using a reserved word as a field name
Quote(key string) string
// PrimaryKeys used to define the primary keys of a table
PrimaryKeys(keys []string) string
// DataTypeOf return data's sql type
DataTypeOf(field *StructField) string

4
dialect_common.go
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@ -32,6 +32,10 @@ func (commonDialect) Quote(key string) string {
return fmt.Sprintf(`"%s"`, key)
}
func (commonDialect) PrimaryKeys(keys []string) string {
return fmt.Sprintf("PRIMARY KEY (%v)", strings.Join(keys, ","))
}
func (commonDialect) DataTypeOf(field *StructField) string {
var dataValue, sqlType, size, additionalType = ParseFieldStructForDialect(field)

4
dialects/mssql/mssql.go
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@ -42,6 +42,10 @@ func (mssql) Quote(key string) string {
return fmt.Sprintf(`"%s"`, key)
}
func (mssql) PrimaryKeys(keys []string) string {
return fmt.Sprintf("PRIMARY KEY (%v)", strings.Join(keys, ","))
}
func (mssql) DataTypeOf(field *gorm.StructField) string {
var dataValue, sqlType, size, additionalType = gorm.ParseFieldStructForDialect(field)

15
scope.go
View File

@ -80,6 +80,17 @@ func (scope *Scope) Quote(str string) string {
return scope.Dialect().Quote(str)
}
// PrimaryKeys used to define the primary keys of a table
func (scope *Scope) PrimaryKeys(keys []string) string {
res := scope.Dialect().PrimaryKeys(keys)
if res != "" {
return fmt.Sprintf(", %v", res)
}
return ""
}
// Err add error to Scope
func (scope *Scope) Err(err error) error {
if err != nil {
@ -1027,7 +1038,7 @@ func (scope *Scope) createJoinTable(field *StructField) {
}
}
scope.Err(scope.NewDB().Exec(fmt.Sprintf("CREATE TABLE %v (%v, PRIMARY KEY (%v)) %s", scope.Quote(joinTable), strings.Join(sqlTypes, ","), strings.Join(primaryKeys, ","), scope.getTableOptions())).Error)
scope.Err(scope.NewDB().Exec(fmt.Sprintf("CREATE TABLE %v (%v %v) %s", scope.Quote(joinTable), strings.Join(sqlTypes, ","), scope.PrimaryKeys(primaryKeys), scope.getTableOptions())).Error)
}
scope.NewDB().Table(joinTable).AutoMigrate(joinTableHandler)
}
@ -1059,7 +1070,7 @@ func (scope *Scope) createTable() *Scope {
var primaryKeyStr string
if len(primaryKeys) > 0 && !primaryKeyInColumnType {
primaryKeyStr = fmt.Sprintf(", PRIMARY KEY (%v)", strings.Join(primaryKeys, ","))
primaryKeyStr = scope.PrimaryKeys(primaryKeys)
}
scope.Raw(fmt.Sprintf("CREATE TABLE %v (%v %v) %s", scope.QuotedTableName(), strings.Join(tags, ","), primaryKeyStr, scope.getTableOptions())).Exec()