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package builder
import "fmt"
// IsNull
type IsNull [1]string
var _ Cond = IsNull{""}
func (isNull IsNull) WriteTo(w Writer) error {
_, err := fmt.Fprintf(w, "%s IS NULL", isNull[0])
return err
}
func (isNull IsNull) And(conds ...Cond) Cond {
return And(isNull, And(conds...))
}
func (isNull IsNull) Or(conds ...Cond) Cond {
return Or(isNull, Or(conds...))
}
func (isNull IsNull) IsValid() bool {
return len(isNull[0]) > 0
}
// NotNull
type NotNull [1]string
var _ Cond = NotNull{""}
func (notNull NotNull) WriteTo(w Writer) error {
_, err := fmt.Fprintf(w, "%s IS NOT NULL", notNull[0])
return err
}
func (notNull NotNull) And(conds ...Cond) Cond {
return And(notNull, And(conds...))
}
func (notNull NotNull) Or(conds ...Cond) Cond {
return Or(notNull, Or(conds...))
}
func (notNull NotNull) IsValid() bool {
return len(notNull[0]) > 0
}
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