From 59770f0cda9007eb91559a15449446749903e957 Mon Sep 17 00:00:00 2001
From: kinggo <>
Date: Wed, 8 Dec 2021 13:46:00 +0800
Subject: [PATCH] fix: save not use soft_delete

---
 callbacks/create.go |  2 +-
 callbacks/delete.go | 17 ++++++++++-------
 callbacks/query.go  |  2 +-
 callbacks/update.go |  2 +-
 soft_delete.go      |  4 ++--
 5 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/callbacks/create.go b/callbacks/create.go
index 9dc5b8b1..29113128 100644
--- a/callbacks/create.go
+++ b/callbacks/create.go
@@ -57,7 +57,7 @@ func Create(config *Config) func(db *gorm.DB) {
 			}
 		}
 
-		if db.Statement.SQL.String() == "" {
+		if db.Statement.SQL.Len() == 0 {
 			db.Statement.SQL.Grow(180)
 			db.Statement.AddClauseIfNotExists(clause.Insert{})
 			db.Statement.AddClause(ConvertToCreateValues(db.Statement))
diff --git a/callbacks/delete.go b/callbacks/delete.go
index b50a782c..7f1e09ce 100644
--- a/callbacks/delete.go
+++ b/callbacks/delete.go
@@ -118,13 +118,7 @@ func Delete(config *Config) func(db *gorm.DB) {
 			return
 		}
 
-		if db.Statement.Schema != nil {
-			for _, c := range db.Statement.Schema.DeleteClauses {
-				db.Statement.AddClause(c)
-			}
-		}
-
-		if db.Statement.SQL.String() == "" {
+		if db.Statement.SQL.Len() == 0 {
 			db.Statement.SQL.Grow(100)
 			db.Statement.AddClauseIfNotExists(clause.Delete{})
 
@@ -147,6 +141,15 @@ func Delete(config *Config) func(db *gorm.DB) {
 			}
 
 			db.Statement.AddClauseIfNotExists(clause.From{})
+		}
+
+		if db.Statement.Schema != nil {
+			for _, c := range db.Statement.Schema.DeleteClauses {
+				db.Statement.AddClause(c)
+			}
+		}
+
+		if db.Statement.SQL.Len() == 0 {
 			db.Statement.Build(db.Statement.BuildClauses...)
 		}
 
diff --git a/callbacks/query.go b/callbacks/query.go
index 2f98a4b6..efb08609 100644
--- a/callbacks/query.go
+++ b/callbacks/query.go
@@ -33,7 +33,7 @@ func BuildQuerySQL(db *gorm.DB) {
 		}
 	}
 
-	if db.Statement.SQL.String() == "" {
+	if db.Statement.SQL.Len() == 0 {
 		db.Statement.SQL.Grow(100)
 		clauseSelect := clause.Select{Distinct: db.Statement.Distinct}
 
diff --git a/callbacks/update.go b/callbacks/update.go
index aed47003..b3eaaf11 100644
--- a/callbacks/update.go
+++ b/callbacks/update.go
@@ -59,7 +59,7 @@ func Update(config *Config) func(db *gorm.DB) {
 			return
 		}
 
-		if db.Statement.SQL.String() == "" {
+		if db.Statement.SQL.Len() == 0 {
 			db.Statement.SQL.Grow(180)
 			db.Statement.AddClauseIfNotExists(clause.Update{})
 			if set := ConvertToAssignments(db.Statement); len(set) != 0 {
diff --git a/soft_delete.go b/soft_delete.go
index a8ad4499..4e236fc4 100644
--- a/soft_delete.go
+++ b/soft_delete.go
@@ -103,7 +103,7 @@ func (sd SoftDeleteUpdateClause) MergeClause(*clause.Clause) {
 }
 
 func (sd SoftDeleteUpdateClause) ModifyStatement(stmt *Statement) {
-	if stmt.SQL.String() == "" && !stmt.Statement.Unscoped {
+	if stmt.SQL.Len() == 0 && !stmt.Statement.Unscoped {
 		if _, ok := stmt.Clauses["WHERE"]; stmt.DB.AllowGlobalUpdate || ok {
 			SoftDeleteQueryClause(sd).ModifyStatement(stmt)
 		}
@@ -129,7 +129,7 @@ func (sd SoftDeleteDeleteClause) MergeClause(*clause.Clause) {
 }
 
 func (sd SoftDeleteDeleteClause) ModifyStatement(stmt *Statement) {
-	if stmt.SQL.String() == "" && !stmt.Statement.Unscoped {
+	if stmt.SQL.Len() == 0 && !stmt.Statement.Unscoped {
 		curTime := stmt.DB.NowFunc()
 		stmt.AddClause(clause.Set{{Column: clause.Column{Name: sd.Field.DBName}, Value: curTime}})
 		stmt.SetColumn(sd.Field.DBName, curTime, true)