return false, errArithInvalidOperator
	}
	switch op {
	case opIs:
		if a.IsNull() {
			// Missing is null
			return v.IsNull() || v.IsMissing(), nil
		}
		if a.IsMissing() {
			return v.IsMissing(), nil
		}
		// Forward to Equal
		op = opEq
	case opIsNot:
		if a.IsNull() {
			// Missing is not null
			return !v.IsNull() && !v.IsMissing(), nil
		}
		if a.IsMissing() {
			return !v.IsMissing(), nil

		}
		return err
	}

	// Delete the event from store.
	return target.store.Del(key.Name)
}

func (target *KafkaTarget) addToBatch(key store.Key) error {
	if target.batch.IsFull() {
		if err := target.commitBatch(); err != nil {
			return err
		}
	}
	if _, ok := target.batch.GetByKey(key.Name); !ok {
		eventData, err := target.store.Get(key.Name)
		if err != nil {

func (b *Batch[K, T]) Len() int {
	b.Lock()
	defer b.Unlock()

	return len(b.keys)
}

// IsFull checks if the batch is full or not
func (b *Batch[K, T]) IsFull() bool {
	b.Lock()
	defer b.Unlock()

	return b.isFull()
}

func (b *Batch[K, T]) isFull() bool {
	return len(b.items) >= int(b.limit)
}

// NewBatch creates a new batch

			tests = append(tests, test{
				name: fmt.Sprint(a.GetTypeString(), "!=", b.GetTypeString()),
				fields: fields{
					a: *a, b: *b,
				},
				// Only Null == Null
				wantOk: a.IsNull() && b.IsNull() && i == 0 && j == 0,
			})
		}
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if gotOk := tt.fields.a.Equals(tt.fields.b); gotOk != tt.wantOk {

		NoncurrentDays:          val.NoncurrentDays,
		NewerNoncurrentVersions: val.NewerNoncurrentVersions,
	}
	n.set = true
	return nil
}

// IsNull returns if both NoncurrentDays and NoncurrentVersions are empty
func (n NoncurrentVersionExpiration) IsNull() bool {
	return n.IsDaysNull() && n.NewerNoncurrentVersions == 0
}

// IsDaysNull returns true if days field is null

		}
	}
	err := batch.Add(101, 101)
	if err == nil || !errors.Is(err, ErrBatchFull) {
		t.Fatalf("Expected err %v but got %v", ErrBatchFull, err)
	}
	if !batch.IsFull() {
		t.Fatal("Expected batch.IsFull to be true but got false")
	}
	batchLen := batch.Len()
	if batchLen != int(limit) {
		t.Fatalf("expected batch length to be %v but got %v", limit, batchLen)
	}
	keys, items, err := batch.GetAll()

	return e.Days == ExpirationDays(0)
}

// IsDateNull returns true if date field is null
func (e Expiration) IsDateNull() bool {
	return e.Date.Time.IsZero()
}

// IsNull returns true if both date and days fields are null
func (e Expiration) IsNull() bool {
	return e.IsDaysNull() && e.IsDateNull()

	}
	return false
}

// HasExpiry returns 'true' if lifecycle document has Expiry enabled.
func (lc Lifecycle) HasExpiry() bool {
	for _, rule := range lc.Rules {
		if !rule.Expiration.IsNull() || !rule.NoncurrentVersionExpiration.IsNull() {
			return true
		}
	}
	return false
}

// UnmarshalXML - decodes XML data.
func (lc *Lifecycle) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {

	}
}

func coalesce(args []*Value) (res *Value, err error) {
	for _, arg := range args {
		if arg.IsNull() {
			continue
		}
		return arg, nil
	}
	return FromNull(), nil
}

func nullif(v1, v2 *Value) (res *Value, err error) {
	// Handle Null cases
	if v1.IsNull() || v2.IsNull() {
		return v1, nil
	}

	err = inferTypesForCmp(v1, v2)
	if err != nil {
		return nil, err
	}

		v = f
	} else if i, ok := value.ToInt(); ok {
		v = i
	} else if t, ok := value.ToTimestamp(); ok {
		v = sql.FormatSQLTimestamp(t)
	} else if s, ok := value.ToString(); ok {
		v = s
	} else if value.IsNull() {
		v = nil
	} else if value.IsMissing() {
		return r, nil
	} else if b, ok := value.ToBytes(); ok {
		// This can either be raw json or a CSV value.
		// Only treat objects and arrays as JSON.