Fix alter column with custom creating table SQL, fix github.com/go-go…

…rm/gorm/issues/4960

go.sum

@@ -3,12 +3,9 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
-github.com/jinzhu/now v1.1.4 h1:tHnRBy1i5F2Dh8BAFxqFzxKqqvezXrL2OW1TnX+Mlas=
 github.com/jinzhu/now v1.1.4/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
-github.com/mattn/go-sqlite3 v1.14.9 h1:10HX2Td0ocZpYEjhilsuo6WWtUqttj2Kb0KtD86/KYA=
-github.com/mattn/go-sqlite3 v1.14.9/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/mattn/go-sqlite3 v1.14.12 h1:TJ1bhYJPV44phC+IMu1u2K/i5RriLTPe+yc68XDJ1Z0=
 github.com/mattn/go-sqlite3 v1.14.12/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

migrator.go

@@ -80,12 +80,12 @@ func (m Migrator) AlterColumn(value interface{}, name string) error {
 	return m.RunWithoutForeignKey(func() error {
 		return m.recreateTable(value, nil, func(rawDDL string, stmt *gorm.Statement) (sql string, sqlArgs []interface{}, err error) {
 			if field := stmt.Schema.LookUpField(name); field != nil {
-				reg, err := regexp.Compile("(`|'|\"| )" + field.DBName + "(`|'|\"| ) .*?,")
+				reg, err := regexp.Compile("(`|'|\"| )" + field.DBName + "(`|'|\"| ) .*?(,|\\))")
 				if err != nil {
 					return "", nil, err
 				}
 
-				createSQL := reg.ReplaceAllString(rawDDL, fmt.Sprintf("`%v` ?,", field.DBName))
+				createSQL := reg.ReplaceAllString(rawDDL, fmt.Sprintf("`%v` ?$3", field.DBName))
 
 				return createSQL, []interface{}{m.FullDataTypeOf(field)}, nil
 			}