From 706912ec9747999f129d280df902cf3ba7ff2805 Mon Sep 17 00:00:00 2001
From: Leandro Franciscato <leandro.franciscato@clevertech.biz>
Date: Mon, 17 Oct 2022 12:19:47 -0300
Subject: [PATCH] adding sqlserver, mysql to function

---
 clause/function.go  | 10 ++++++++--
 tests/query_test.go |  6 ++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/clause/function.go b/clause/function.go
index ae39f743..e4f7f27c 100644
--- a/clause/function.go
+++ b/clause/function.go
@@ -8,8 +8,10 @@ import (
 type Database string
 
 var (
-	Postgres Database = "postgres"
-	Sqlite   Database = "sqlite"
+	Postgres  Database = "postgres"
+	Sqlite    Database = "sqlite"
+	Mysql     Database = "mysql"
+	SqlServer Database = "sqlserver"
 )
 
 type Function interface {
@@ -33,6 +35,10 @@ func (fnc FuncDateWithoutTime) GetSql() string {
 		fnc.SQL = fmt.Sprintf(" to_char(%s, %s) as %s", fnc.Field, "'YYYY-MM-DD'", alias)
 	case Sqlite:
 		fnc.SQL = fmt.Sprintf(" strftime(%s, %s) as %s", "'%Y-%m-%d' ", fnc.Field, alias)
+	case Mysql:
+		fnc.SQL = fmt.Sprintf(" DATE_FORMAT(%s, %s) as %s", fnc.Field, "'%Y-%m-%d' ", alias)
+	case SqlServer:
+		fnc.SQL = fmt.Sprintf(" FORMAT(%s, %s) as %s", fnc.Field, "'yyyy-MM-dd' ", alias)
 	default:
 		log.Print("database not implemented yet for this function")
 		return ""
diff --git a/tests/query_test.go b/tests/query_test.go
index eb281df9..b1e17aac 100644
--- a/tests/query_test.go
+++ b/tests/query_test.go
@@ -1360,7 +1360,7 @@ func TestQueryResetNullValue(t *testing.T) {
 	AssertEqual(t, q2, qs[1])
 }
 
-func TestFuncDateWihtoutTimeSQLITE(t *testing.T) {
+func TestFuncDateWihtoutTime(t *testing.T) {
 	users := []User{
 		*GetUser("find", Config{}),
 		*GetUser("find", Config{}),
@@ -1376,8 +1376,10 @@ func TestFuncDateWihtoutTimeSQLITE(t *testing.T) {
 			Birthday string
 			Name     string
 		}
-		var fn clause.FuncDateWithoutTime = clause.FuncDateWithoutTime{Database: "sqlite", Field: "birthday"}
+
+		var fn clause.FuncDateWithoutTime = clause.FuncDateWithoutTime{Database: clause.Database(DB.Dialector.Name()), Field: "birthday"}
 		var sql string = fn.GetSql()
+
 		if err := DB.Model(&User{}).Select([]string{sql, "name"}).Where("name = ?", "find").First(&first).Error; err != nil {
 			t.Errorf("errors happened when query first: %v", err)
 		} else {