From 20332996326445cceb9ed87c11f95f0ab8ab2a41 Mon Sep 17 00:00:00 2001
From: john <john@johng.cn>
Date: Wed, 15 Jul 2020 20:15:09 +0800
Subject: [PATCH] improve placeholder for pgsql

---
 database/gdb/gdb_driver_pgsql.go | 4 ++--
 database/gdb/gdb_func.go         | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/database/gdb/gdb_driver_pgsql.go b/database/gdb/gdb_driver_pgsql.go
index 9bff38467..134203248 100644
--- a/database/gdb/gdb_driver_pgsql.go
+++ b/database/gdb/gdb_driver_pgsql.go
@@ -62,10 +62,10 @@ func (d *DriverPgsql) GetChars() (charLeft string, charRight string) {
 // HandleSqlBeforeCommit deals with the sql string before commits it to underlying sql driver.
 func (d *DriverPgsql) HandleSqlBeforeCommit(link Link, sql string, args []interface{}) (string, []interface{}) {
 	var index int
-	// Convert place holder char '?' to string "$x".
+	// Convert place holder char '?' to string "$vx".
 	sql, _ = gregex.ReplaceStringFunc("\\?", sql, func(s string) string {
 		index++
-		return fmt.Sprintf("$%d", index)
+		return fmt.Sprintf("$v%d", index)
 	})
 	sql, _ = gregex.ReplaceString(` LIMIT (\d+),\s*(\d+)`, ` LIMIT $2 OFFSET $1`, sql)
 	return sql, args
diff --git a/database/gdb/gdb_func.go b/database/gdb/gdb_func.go
index e30508a2c..1b1000c95 100644
--- a/database/gdb/gdb_func.go
+++ b/database/gdb/gdb_func.go
@@ -553,7 +553,7 @@ func formatError(err error, sql string, args ...interface{}) error {
 func FormatSqlWithArgs(sql string, args []interface{}) string {
 	index := -1
 	newQuery, _ := gregex.ReplaceStringFunc(
-		`(\?|:v\d+|\$\d+|@v\d+)`, sql, func(s string) string {
+		`(\?|:v\d+|\$v\d+|@v\d+)`, sql, func(s string) string {
 			index++
 			if len(args) > index {
 				if args[index] == nil {