gorm/clause/select.go

33 lines
568 B
Go

package clause
// Select select attrs when querying, updating, creating
type Select struct {
Columns []Column
Expression Expression
}
func (s Select) Name() string {
return "SELECT"
}
func (s Select) Build(builder Builder) {
if len(s.Columns) > 0 {
for idx, column := range s.Columns {
if idx > 0 {
builder.WriteByte(',')
}
builder.WriteQuoted(column)
}
} else {
builder.WriteByte('*')
}
}
func (s Select) MergeClause(clause *Clause) {
if s.Expression != nil {
clause.Expression = s.Expression
} else {
clause.Expression = s
}
}