AutoMigrate fails with sql: expected 0 arguments, got 1 (#131)

pierre-borckmans · jinzhu · web-flow · commit e6ed2df81f25 · 2022-10-07T17:50:49.000+08:00
* AutoMigrate fails with `sql: expected 0 arguments, got 1` when `Statement.Vars` is null

* Update migrator.go

Co-authored-by: Jinzhu &lt;wosmvp@gmail.com&gt;
diff --git a/migrator.go b/migrator.go
@@ -528,7 +528,7 @@ func (m Migrator) GetRows(currentSchema interface{}, table interface{}) (*sql.Ro
 
 	return m.DB.Session(&gorm.Session{}).Table(name).Limit(1).Scopes(func(d *gorm.DB) *gorm.DB {
 		// use simple protocol
-		if !m.DB.PrepareStmt {
+		if !m.DB.PrepareStmt && len(d.Statement.Vars) != 0 {
 			d.Statement.Vars = append(d.Statement.Vars, pgx.QuerySimpleProtocol(true))
 		}
 		return d

Original file line number	Diff line number	Diff line change
`@@ -528,7 +528,7 @@ func (m Migrator) GetRows(currentSchema interface{}, table interface{}) (*sql.Ro`
`528`	`528`
`529`	`529`	`return m.DB.Session(&gorm.Session{}).Table(name).Limit(1).Scopes(func(d gorm.DB) gorm.DB {`
`530`	`530`	`// use simple protocol`
`531`		`- if !m.DB.PrepareStmt {`
	`531`	`+ if !m.DB.PrepareStmt && len(d.Statement.Vars) != 0 {`
`532`	`532`	`d.Statement.Vars = append(d.Statement.Vars, pgx.QuerySimpleProtocol(true))`
`533`	`533`	`}`
`534`	`534`	`return d`