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// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package db
import (
"fmt"
"strconv"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
"xorm.io/xorm/schemas"
)
// ConvertDatabaseTable converts database and tables from utf8 to utf8mb4 if it's mysql and set ROW_FORMAT=dynamic
func ConvertDatabaseTable() error {
if x.Dialect().URI().DBType != schemas.MYSQL {
return nil
}
r, err := CheckCollations(x)
if err != nil {
return err
}
databaseName := strings.SplitN(setting.Database.Name, "?", 2)[0]
_, err = x.Exec(fmt.Sprintf("ALTER DATABASE `%s` CHARACTER SET utf8mb4 COLLATE %s", databaseName, r.ExpectedCollation))
if err != nil {
return err
}
tables, err := x.DBMetas()
if err != nil {
return err
}
for _, table := range tables {
if _, err := x.Exec(fmt.Sprintf("ALTER TABLE `%s` ROW_FORMAT=dynamic", table.Name)); err != nil {
return err
}
if _, err := x.Exec(fmt.Sprintf("ALTER TABLE `%s` CONVERT TO CHARACTER SET utf8mb4 COLLATE %s", table.Name, r.ExpectedCollation)); err != nil {
return err
}
}
return nil
}
// Cell2Int64 converts a xorm.Cell type to int64,
// and handles possible irregular cases.
func Cell2Int64(val xorm.Cell) int64 {
switch (*val).(type) {
case []uint8:
log.Trace("Cell2Int64 ([]uint8): %v", *val)
v, _ := strconv.ParseInt(string((*val).([]uint8)), 10, 64)
return v
default:
return (*val).(int64)
}
}
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