diff --git a/lazy.go b/lazy.go
index 7fe7707..a0d54e0 100644
--- a/lazy.go
+++ b/lazy.go
@@ -8,6 +8,7 @@ import (
 	"math/rand/v2"
 	"reflect"
 	"regexp"
+	"time"
 
 	"github.com/jmoiron/sqlx"
 )
@@ -20,8 +21,15 @@ const (
 	DB_TAG    = "db"   //tag used to parse sql fields in example struct
 	LAZY_TAG  = "lazy" //tag label for KEY_VALUE
 	KEY_VALUE = "key"  //tag value for LAZY_TAG
+	//bind values
+	BindQuestion Binds = 1
+	BindDollar   Binds = 2
+	BindNamed    Binds = 3
+	BindAt       Binds = 4
 )
 
+type Binds int
+
 // mock data generated based on config
 type Mock struct {
 	Query   string
@@ -35,11 +43,11 @@ type Config struct {
 	Example  any
 	Keys     []any //length of keys must = RowCount, if set
 	RowCount int
+	BindType Binds
 }
 
 // generates mock data based on configuration to be used for sqlmock
 func RandomGenerate(m Config) (*Mock, error) {
-	fmt.Println("huh")
 	//example struct cannot be nil and must be a struct
 	if m.Example == nil {
 		return nil, errors.New("example value cannot be nil")
@@ -91,30 +99,62 @@ func RandomGenerate(m Config) (*Mock, error) {
 			//generate random values
 			nv := kindToRandom(field)
 			if nv == nil {
-				//this will catch the sql.Null* types, although not slices of them. In these statements it should be
-				//50/50 chance of null vs value and then psuedo random from there
-				//1. Write simple 50/50 function
-				//2. move this logic to nullKindToRandom function
-				//3. add bind type option to allow for more than just AT now that I'm using postgres
+				//move this logic to nullKindToRandom function
+				nullType := false
 				switch field.Type {
 				case reflect.TypeOf(sql.NullTime{}):
-					//
+					if isNull() {
+						rows[y] = append(rows[y], nil)
+					} else {
+						rows[y] = append(rows[y], time.Now())
+					}
+					nullType = true
 				case reflect.TypeOf(sql.NullInt16{}):
-					//
+					if isNull() {
+						rows[y] = append(rows[y], nil)
+					} else {
+						rows[y] = append(rows[y], rand.Int())
+					}
+					nullType = true
 				case reflect.TypeOf(sql.NullInt32{}):
-					//
+					if isNull() {
+						rows[y] = append(rows[y], nil)
+					} else {
+						rows[y] = append(rows[y], rand.Int32())
+					}
+					nullType = true
 				case reflect.TypeOf(sql.NullInt64{}):
-					//
+					if isNull() {
+						rows[y] = append(rows[y], nil)
+					} else {
+						rows[y] = append(rows[y], rand.Int64())
+					}
+					nullType = true
 				case reflect.TypeOf(sql.NullBool{}):
-					//
+					if isNull() {
+						rows[y] = append(rows[y], nil)
+					} else {
+						rows[y] = append(rows[y], rand.Int()%2 == 0)
+					}
+					nullType = true
 				case reflect.TypeOf(sql.NullFloat64{}):
-					//
+					if isNull() {
+						rows[y] = append(rows[y], nil)
+					} else {
+						rows[y] = append(rows[y], rand.Float64())
+					}
+					nullType = true
 				case reflect.TypeOf(sql.NullString{}):
-					//
-				case reflect.TypeOf(sql.NullByte{}):
-					//
+					if isNull() {
+						rows[y] = append(rows[y], nil)
+					} else {
+						rows[y] = append(rows[y], fmt.Sprintf("random %d", rand.Int()))
+					}
+					nullType = true
+				}
+				if !nullType {
+					return nil, fmt.Errorf("could not match type: %s", retType.Name())
 				}
-				return nil, fmt.Errorf("could not match type: %s", retType.Name())
 			}
 
 			rows[y] = append(rows[y], nv)
@@ -123,7 +163,7 @@ func RandomGenerate(m Config) (*Mock, error) {
 
 	return &Mock{
 		//sql is rebound and escaped for sqlmock.ExpectQuery
-		Query:   sqlx.Rebind(sqlx.AT, regexp.QuoteMeta(m.Query)),
+		Query:   sqlx.Rebind(int(m.BindType), regexp.QuoteMeta(m.Query)),
 		Columns: columns,
 		Rows:    rows,
 	}, nil
@@ -144,9 +184,11 @@ func kindToRandom(field reflect.StructField) any {
 	case reflect.Float64:
 		return rand.Float64()
 	case reflect.String:
-		return fmt.Sprintf("%d", rand.Int())
+		return fmt.Sprintf("random %d", rand.Int())
 	case reflect.Bool:
 		return rand.Int()%2 == 0
+	case reflect.TypeOf(time.Time{}).Kind():
+		return time.Now()
 	case reflect.Array:
 		underlying := field.Type.Elem().Kind()
 		count := reflect.ValueOf(field).Len() //fill entire length
@@ -245,3 +287,12 @@ func kindToRandom(field reflect.StructField) any {
 
 	return nil
 }
+
+func isNull() bool {
+	x := rand.IntN(2)
+	if x%2 == 0 {
+		return true
+	} else {
+		return false
+	}
+}