1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package db
import (
"fmt"
"strconv"
"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
}
_, err = x.Exec(fmt.Sprintf("ALTER DATABASE `%s` CHARACTER SET utf8mb4 COLLATE %s", setting.Database.Name, 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
}
// ConvertVarcharToNVarchar converts database and tables from varchar to nvarchar if it's mssql
func ConvertVarcharToNVarchar() error {
if x.Dialect().URI().DBType != schemas.MSSQL {
return nil
}
sess := x.NewSession()
defer sess.Close()
res, err := sess.QuerySliceString(`SELECT 'ALTER TABLE ' + OBJECT_NAME(SC.object_id) + ' MODIFY SC.name NVARCHAR(' + CONVERT(VARCHAR(5),SC.max_length) + ')'
FROM SYS.columns SC
JOIN SYS.types ST
ON SC.system_type_id = ST.system_type_id
AND SC.user_type_id = ST.user_type_id
WHERE ST.name ='varchar'`)
if err != nil {
return err
}
for _, row := range res {
if len(row) == 1 {
if _, err = sess.Exec(row[0]); err != nil {
return err
}
}
}
return err
}
// 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
}
return (*val).(int64)
}
|
