Fix a case with timestamps

Timestamp columns provided manually but same as default definition must
use the Timestamps() macro instead of their full definition.

tables.go

@@ -129,7 +129,7 @@ func (t *Table) Column(name string, colType string, options Options) error {
 	} else {
 		t.Columns = append(t.Columns, c)
 	}
-	if (name == "created_at" || name == "updated_at") && colType != "time" {
+	if (name == "created_at" || name == "updated_at") && colType != "timestamp" {
 		// timestamp macro only works for time type
 		t.useTimestampMacro = false
 	}

tables_test.go

@@ -111,6 +111,22 @@ func Test_Table_StringerAutoDisableTimestamps(t *testing.T) {
 	r.NoError(table.Column("created_at", "int", nil))
 
 	r.Equal(expected, table.String())
+
+	// timestamp columns provided but same as default
+	expected =
+		`create_table("users") {
+	t.Column("name", "string")
+	t.Timestamps()
+}`
+
+	table = fizz.NewTable("users", map[string]interface{}{
+		"timestamps": true,
+	})
+	r.NoError(table.Column("name", "string", nil))
+	r.NoError(table.Column("created_at", "timestamp", nil))
+	r.NoError(table.Column("updated_at", "timestamp", nil))
+
+	r.Equal(expected, table.String())
 }
 
 func Test_Table_StringerIndex(t *testing.T) {

version.go

@@ -1,4 +1,4 @@
 package fizz
 
 // Version gives the current fizz version.
-const Version = "v1.9.4"
+const Version = "v1.9.5"