38 lines
636 B
Go
38 lines
636 B
Go
package builder
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
)
|
|
|
|
func (b *Builder) updateWriteTo(w Writer) error {
|
|
if len(b.tableName) <= 0 {
|
|
return errors.New("no table indicated")
|
|
}
|
|
if len(b.updates) <= 0 {
|
|
return errors.New("no column to be update")
|
|
}
|
|
|
|
if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.tableName); err != nil {
|
|
return err
|
|
}
|
|
|
|
for i, s := range b.updates {
|
|
if err := s.opWriteTo(",", w); err != nil {
|
|
return err
|
|
}
|
|
|
|
if i != len(b.updates)-1 {
|
|
if _, err := fmt.Fprint(w, ","); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
if _, err := fmt.Fprint(w, " WHERE "); err != nil {
|
|
return err
|
|
}
|
|
|
|
return b.cond.WriteTo(w)
|
|
}
|