where.go

// Code generated by entc, DO NOT EDIT.

package question

import (
	"github.com/facebookincubator/ent/dialect/sql"
	"github.com/facebookincubator/ent/dialect/sql/sqlgraph"
	"github.com/minskylab/collecta/ent/predicate"
	"github.com/minskylab/collecta/uuid"
)

// ID filters vertices based on their identifier.
func ID(id uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldID), id))
	})
}

// IDEQ applies the EQ predicate on the ID field.
func IDEQ(id uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldID), id))
	})
}

// IDNEQ applies the NEQ predicate on the ID field.
func IDNEQ(id uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NEQ(s.C(FieldID), id))
	})
}

// IDIn applies the In predicate on the ID field.
func IDIn(ids ...uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(ids) == 0 {
			s.Where(sql.False())
			return
		}
		v := make([]interface{}, len(ids))
		for i := range v {
			v[i] = ids[i]
		}
		s.Where(sql.In(s.C(FieldID), v...))
	})
}

// IDNotIn applies the NotIn predicate on the ID field.
func IDNotIn(ids ...uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(ids) == 0 {
			s.Where(sql.False())
			return
		}
		v := make([]interface{}, len(ids))
		for i := range v {
			v[i] = ids[i]
		}
		s.Where(sql.NotIn(s.C(FieldID), v...))
	})
}

// IDGT applies the GT predicate on the ID field.
func IDGT(id uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GT(s.C(FieldID), id))
	})
}

// IDGTE applies the GTE predicate on the ID field.
func IDGTE(id uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GTE(s.C(FieldID), id))
	})
}

// IDLT applies the LT predicate on the ID field.
func IDLT(id uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LT(s.C(FieldID), id))
	})
}

// IDLTE applies the LTE predicate on the ID field.
func IDLTE(id uuid.UUID) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LTE(s.C(FieldID), id))
	})
}

// Hash applies equality check predicate on the "hash" field. It's identical to HashEQ.
func Hash(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldHash), v))
	})
}

// Title applies equality check predicate on the "title" field. It's identical to TitleEQ.
func Title(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldTitle), v))
	})
}

// Description applies equality check predicate on the "description" field. It's identical to DescriptionEQ.
func Description(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldDescription), v))
	})
}

// Validator applies equality check predicate on the "validator" field. It's identical to ValidatorEQ.
func Validator(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldValidator), v))
	})
}

// Anonymous applies equality check predicate on the "anonymous" field. It's identical to AnonymousEQ.
func Anonymous(v bool) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldAnonymous), v))
	})
}

// HashEQ applies the EQ predicate on the "hash" field.
func HashEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldHash), v))
	})
}

// HashNEQ applies the NEQ predicate on the "hash" field.
func HashNEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NEQ(s.C(FieldHash), v))
	})
}

// HashIn applies the In predicate on the "hash" field.
func HashIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.In(s.C(FieldHash), v...))
	})
}

// HashNotIn applies the NotIn predicate on the "hash" field.
func HashNotIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.NotIn(s.C(FieldHash), v...))
	})
}

// HashGT applies the GT predicate on the "hash" field.
func HashGT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GT(s.C(FieldHash), v))
	})
}

// HashGTE applies the GTE predicate on the "hash" field.
func HashGTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GTE(s.C(FieldHash), v))
	})
}

// HashLT applies the LT predicate on the "hash" field.
func HashLT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LT(s.C(FieldHash), v))
	})
}

// HashLTE applies the LTE predicate on the "hash" field.
func HashLTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LTE(s.C(FieldHash), v))
	})
}

// HashContains applies the Contains predicate on the "hash" field.
func HashContains(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.Contains(s.C(FieldHash), v))
	})
}

// HashHasPrefix applies the HasPrefix predicate on the "hash" field.
func HashHasPrefix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasPrefix(s.C(FieldHash), v))
	})
}

// HashHasSuffix applies the HasSuffix predicate on the "hash" field.
func HashHasSuffix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasSuffix(s.C(FieldHash), v))
	})
}

// HashEqualFold applies the EqualFold predicate on the "hash" field.
func HashEqualFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EqualFold(s.C(FieldHash), v))
	})
}

// HashContainsFold applies the ContainsFold predicate on the "hash" field.
func HashContainsFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.ContainsFold(s.C(FieldHash), v))
	})
}

// TitleEQ applies the EQ predicate on the "title" field.
func TitleEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldTitle), v))
	})
}

// TitleNEQ applies the NEQ predicate on the "title" field.
func TitleNEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NEQ(s.C(FieldTitle), v))
	})
}

// TitleIn applies the In predicate on the "title" field.
func TitleIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.In(s.C(FieldTitle), v...))
	})
}

// TitleNotIn applies the NotIn predicate on the "title" field.
func TitleNotIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.NotIn(s.C(FieldTitle), v...))
	})
}

// TitleGT applies the GT predicate on the "title" field.
func TitleGT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GT(s.C(FieldTitle), v))
	})
}

// TitleGTE applies the GTE predicate on the "title" field.
func TitleGTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GTE(s.C(FieldTitle), v))
	})
}

// TitleLT applies the LT predicate on the "title" field.
func TitleLT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LT(s.C(FieldTitle), v))
	})
}

// TitleLTE applies the LTE predicate on the "title" field.
func TitleLTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LTE(s.C(FieldTitle), v))
	})
}

// TitleContains applies the Contains predicate on the "title" field.
func TitleContains(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.Contains(s.C(FieldTitle), v))
	})
}

// TitleHasPrefix applies the HasPrefix predicate on the "title" field.
func TitleHasPrefix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasPrefix(s.C(FieldTitle), v))
	})
}

// TitleHasSuffix applies the HasSuffix predicate on the "title" field.
func TitleHasSuffix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasSuffix(s.C(FieldTitle), v))
	})
}

// TitleEqualFold applies the EqualFold predicate on the "title" field.
func TitleEqualFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EqualFold(s.C(FieldTitle), v))
	})
}

// TitleContainsFold applies the ContainsFold predicate on the "title" field.
func TitleContainsFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.ContainsFold(s.C(FieldTitle), v))
	})
}

// DescriptionEQ applies the EQ predicate on the "description" field.
func DescriptionEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldDescription), v))
	})
}

// DescriptionNEQ applies the NEQ predicate on the "description" field.
func DescriptionNEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NEQ(s.C(FieldDescription), v))
	})
}

// DescriptionIn applies the In predicate on the "description" field.
func DescriptionIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.In(s.C(FieldDescription), v...))
	})
}

// DescriptionNotIn applies the NotIn predicate on the "description" field.
func DescriptionNotIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.NotIn(s.C(FieldDescription), v...))
	})
}

// DescriptionGT applies the GT predicate on the "description" field.
func DescriptionGT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GT(s.C(FieldDescription), v))
	})
}

// DescriptionGTE applies the GTE predicate on the "description" field.
func DescriptionGTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GTE(s.C(FieldDescription), v))
	})
}

// DescriptionLT applies the LT predicate on the "description" field.
func DescriptionLT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LT(s.C(FieldDescription), v))
	})
}

// DescriptionLTE applies the LTE predicate on the "description" field.
func DescriptionLTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LTE(s.C(FieldDescription), v))
	})
}

// DescriptionContains applies the Contains predicate on the "description" field.
func DescriptionContains(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.Contains(s.C(FieldDescription), v))
	})
}

// DescriptionHasPrefix applies the HasPrefix predicate on the "description" field.
func DescriptionHasPrefix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasPrefix(s.C(FieldDescription), v))
	})
}

// DescriptionHasSuffix applies the HasSuffix predicate on the "description" field.
func DescriptionHasSuffix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasSuffix(s.C(FieldDescription), v))
	})
}

// DescriptionEqualFold applies the EqualFold predicate on the "description" field.
func DescriptionEqualFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EqualFold(s.C(FieldDescription), v))
	})
}

// DescriptionContainsFold applies the ContainsFold predicate on the "description" field.
func DescriptionContainsFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.ContainsFold(s.C(FieldDescription), v))
	})
}

// MetadataIsNil applies the IsNil predicate on the "metadata" field.
func MetadataIsNil() predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.IsNull(s.C(FieldMetadata)))
	})
}

// MetadataNotNil applies the NotNil predicate on the "metadata" field.
func MetadataNotNil() predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NotNull(s.C(FieldMetadata)))
	})
}

// ValidatorEQ applies the EQ predicate on the "validator" field.
func ValidatorEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldValidator), v))
	})
}

// ValidatorNEQ applies the NEQ predicate on the "validator" field.
func ValidatorNEQ(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NEQ(s.C(FieldValidator), v))
	})
}

// ValidatorIn applies the In predicate on the "validator" field.
func ValidatorIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.In(s.C(FieldValidator), v...))
	})
}

// ValidatorNotIn applies the NotIn predicate on the "validator" field.
func ValidatorNotIn(vs ...string) predicate.Question {
	v := make([]interface{}, len(vs))
	for i := range v {
		v[i] = vs[i]
	}
	return predicate.Question(func(s *sql.Selector) {
		// if not arguments were provided, append the FALSE constants,
		// since we can't apply "IN ()". This will make this predicate falsy.
		if len(vs) == 0 {
			s.Where(sql.False())
			return
		}
		s.Where(sql.NotIn(s.C(FieldValidator), v...))
	})
}

// ValidatorGT applies the GT predicate on the "validator" field.
func ValidatorGT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GT(s.C(FieldValidator), v))
	})
}

// ValidatorGTE applies the GTE predicate on the "validator" field.
func ValidatorGTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.GTE(s.C(FieldValidator), v))
	})
}

// ValidatorLT applies the LT predicate on the "validator" field.
func ValidatorLT(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LT(s.C(FieldValidator), v))
	})
}

// ValidatorLTE applies the LTE predicate on the "validator" field.
func ValidatorLTE(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.LTE(s.C(FieldValidator), v))
	})
}

// ValidatorContains applies the Contains predicate on the "validator" field.
func ValidatorContains(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.Contains(s.C(FieldValidator), v))
	})
}

// ValidatorHasPrefix applies the HasPrefix predicate on the "validator" field.
func ValidatorHasPrefix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasPrefix(s.C(FieldValidator), v))
	})
}

// ValidatorHasSuffix applies the HasSuffix predicate on the "validator" field.
func ValidatorHasSuffix(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.HasSuffix(s.C(FieldValidator), v))
	})
}

// ValidatorIsNil applies the IsNil predicate on the "validator" field.
func ValidatorIsNil() predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.IsNull(s.C(FieldValidator)))
	})
}

// ValidatorNotNil applies the NotNil predicate on the "validator" field.
func ValidatorNotNil() predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NotNull(s.C(FieldValidator)))
	})
}

// ValidatorEqualFold applies the EqualFold predicate on the "validator" field.
func ValidatorEqualFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EqualFold(s.C(FieldValidator), v))
	})
}

// ValidatorContainsFold applies the ContainsFold predicate on the "validator" field.
func ValidatorContainsFold(v string) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.ContainsFold(s.C(FieldValidator), v))
	})
}

// AnonymousEQ applies the EQ predicate on the "anonymous" field.
func AnonymousEQ(v bool) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.EQ(s.C(FieldAnonymous), v))
	})
}

// AnonymousNEQ applies the NEQ predicate on the "anonymous" field.
func AnonymousNEQ(v bool) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s.Where(sql.NEQ(s.C(FieldAnonymous), v))
	})
}

// HasAnswers applies the HasEdge predicate on the "answers" edge.
func HasAnswers() predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		step := sqlgraph.NewStep(
			sqlgraph.From(Table, FieldID),
			sqlgraph.To(AnswersTable, FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, AnswersTable, AnswersColumn),
		)
		sqlgraph.HasNeighbors(s, step)
	})
}

// HasAnswersWith applies the HasEdge predicate on the "answers" edge with a given conditions (other predicates).
func HasAnswersWith(preds ...predicate.Answer) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		step := sqlgraph.NewStep(
			sqlgraph.From(Table, FieldID),
			sqlgraph.To(AnswersInverseTable, FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, AnswersTable, AnswersColumn),
		)
		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
			for _, p := range preds {
				p(s)
			}
		})
	})
}

// HasInput applies the HasEdge predicate on the "input" edge.
func HasInput() predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		step := sqlgraph.NewStep(
			sqlgraph.From(Table, FieldID),
			sqlgraph.To(InputTable, FieldID),
			sqlgraph.Edge(sqlgraph.O2O, false, InputTable, InputColumn),
		)
		sqlgraph.HasNeighbors(s, step)
	})
}

// HasInputWith applies the HasEdge predicate on the "input" edge with a given conditions (other predicates).
func HasInputWith(preds ...predicate.Input) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		step := sqlgraph.NewStep(
			sqlgraph.From(Table, FieldID),
			sqlgraph.To(InputInverseTable, FieldID),
			sqlgraph.Edge(sqlgraph.O2O, false, InputTable, InputColumn),
		)
		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
			for _, p := range preds {
				p(s)
			}
		})
	})
}

// HasFlow applies the HasEdge predicate on the "flow" edge.
func HasFlow() predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		step := sqlgraph.NewStep(
			sqlgraph.From(Table, FieldID),
			sqlgraph.To(FlowTable, FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, FlowTable, FlowColumn),
		)
		sqlgraph.HasNeighbors(s, step)
	})
}

// HasFlowWith applies the HasEdge predicate on the "flow" edge with a given conditions (other predicates).
func HasFlowWith(preds ...predicate.Flow) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		step := sqlgraph.NewStep(
			sqlgraph.From(Table, FieldID),
			sqlgraph.To(FlowInverseTable, FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, FlowTable, FlowColumn),
		)
		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
			for _, p := range preds {
				p(s)
			}
		})
	})
}

// And groups list of predicates with the AND operator between them.
func And(predicates ...predicate.Question) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s1 := s.Clone().SetP(nil)
		for _, p := range predicates {
			p(s1)
		}
		s.Where(s1.P())
	})
}

// Or groups list of predicates with the OR operator between them.
func Or(predicates ...predicate.Question) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		s1 := s.Clone().SetP(nil)
		for i, p := range predicates {
			if i > 0 {
				s1.Or()
			}
			p(s1)
		}
		s.Where(s1.P())
	})
}

// Not applies the not operator on the given predicate.
func Not(p predicate.Question) predicate.Question {
	return predicate.Question(func(s *sql.Selector) {
		p(s.Not())
	})
}