From 98a3ec059ca225078b08ee0b9643a1d37ac286b7 Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Sat, 30 Dec 2023 17:35:25 +0800
Subject: [PATCH] Fix postgres

---
 internal/statements/update.go | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/internal/statements/update.go b/internal/statements/update.go
index d39baa5f..91154c17 100644
--- a/internal/statements/update.go
+++ b/internal/statements/update.go
@@ -342,15 +342,11 @@ func (statement *Statement) writeUpdateTableName(updateWriter *builder.BytesWrit
 }
 
 func (statement *Statement) writeUpdateFrom(updateWriter *builder.BytesWriter) (builder.Cond, error) {
-	if len(statement.joins) == 0 {
-		return builder.NewCond(), nil
-	}
-
-	if _, err := fmt.Fprint(updateWriter, " FROM"); err != nil {
-		return nil, err
-	}
-
 	if statement.dialect.URI().DBType == schemas.MSSQL {
+		if _, err := fmt.Fprint(updateWriter, " FROM"); err != nil {
+			return nil, err
+		}
+
 		if _, err := fmt.Fprint(updateWriter, " ", statement.quote(statement.TableName())); err != nil {
 			return nil, err
 		}
@@ -361,6 +357,16 @@ func (statement *Statement) writeUpdateFrom(updateWriter *builder.BytesWriter) (
 		}
 	}
 
+	if len(statement.joins) == 0 {
+		return builder.NewCond(), nil
+	}
+
+	if statement.dialect.URI().DBType != schemas.MSSQL {
+		if _, err := fmt.Fprint(updateWriter, " FROM"); err != nil {
+			return nil, err
+		}
+	}
+
 	cond := builder.NewCond()
 	for i, join := range statement.joins {
 		if statement.dialect.URI().DBType == schemas.MSSQL || i > 0 {