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Merge branch 'xorm-master'

This commit is contained in:
brookechen 2023-07-10 20:04:18 +08:00
parent 1eed9610ae b0fe86421a
commit a678ef1c27
19 changed files with 670 additions and 108 deletions
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5
convert/interface.go
View File

@ -24,7 +24,10 @@ func Interface2Interface(userLocation *time.Location, v interface{}) (interface{
return vv.String, nil
case *sql.RawBytes:
if len([]byte(*vv)) > 0 {
return []byte(*vv), nil
src := []byte(*vv)
dest := make([]byte, len(src))
copy(dest, src)
return dest, nil
}
return nil, nil
case *sql.NullInt32:

18
dialects/dameng.go
View File

@ -659,7 +659,7 @@ func (db *dameng) DropTableSQL(tableName string) (string, bool) {
// ModifyColumnSQL returns a SQL to modify SQL
func (db *dameng) ModifyColumnSQL(tableName string, col *schemas.Column) string {
s, _ := ColumnString(db.dialect, col, false)
s, _ := ColumnString(db.dialect, col, false, false)
return fmt.Sprintf("ALTER TABLE %s MODIFY %s", db.quoter.Quote(tableName), s)
}
@ -692,7 +692,7 @@ func (db *dameng) CreateTableSQL(ctx context.Context, queryer core.Queryer, tabl
}
}
s, _ := ColumnString(db, col, false)
s, _ := ColumnString(db, col, false, false)
if _, err := b.WriteString(s); err != nil {
return "", false, err
}
@ -709,7 +709,13 @@ func (db *dameng) CreateTableSQL(ctx context.Context, queryer core.Queryer, tabl
return "", false, err
}
}
if _, err := b.WriteString(fmt.Sprintf("CONSTRAINT PK_%s PRIMARY KEY (", tableName)); err != nil {
if _, err := b.WriteString("CONSTRAINT PK_"); err != nil {
return "", false, err
}
if _, err := b.WriteString(tableName); err != nil {
return "", false, err
}
if _, err := b.WriteString(" PRIMARY KEY ("); err != nil {
return "", false, err
}
if err := quoter.JoinWrite(&b, pkList, ","); err != nil {
@ -837,7 +843,11 @@ func addSingleQuote(name string) string {
if name[0] == '\'' && name[len(name)-1] == '\'' {
return name
}
return fmt.Sprintf("'%s'", name)
var b strings.Builder
b.WriteRune('\'')
b.WriteString(name)
b.WriteRune('\'')
return b.String()
}
func (db *dameng) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {

21
dialects/dialect.go
View File

@ -135,7 +135,7 @@ func (db *Base) CreateTableSQL(ctx context.Context, queryer core.Queryer, table
for i, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
s, _ := ColumnString(db.dialect, col, col.IsPrimaryKey && len(table.PrimaryKeys) == 1)
s, _ := ColumnString(db.dialect, col, col.IsPrimaryKey && len(table.PrimaryKeys) == 1, false)
b.WriteString(s)
if i != len(table.ColumnsSeq())-1 {
@ -209,7 +209,7 @@ func (db *Base) IsColumnExist(queryer core.Queryer, ctx context.Context, tableNa
// AddColumnSQL returns a SQL to add a column
func (db *Base) AddColumnSQL(tableName string, col *schemas.Column) string {
s, _ := ColumnString(db.dialect, col, true)
s, _ := ColumnString(db.dialect, col, true, false)
return fmt.Sprintf("ALTER TABLE %s ADD %s", db.dialect.Quoter().Quote(tableName), s)
}
@ -241,7 +241,7 @@ func (db *Base) DropIndexSQL(tableName string, index *schemas.Index) string {
// ModifyColumnSQL returns a SQL to modify SQL
func (db *Base) ModifyColumnSQL(tableName string, col *schemas.Column) string {
s, _ := ColumnString(db.dialect, col, false)
s, _ := ColumnString(db.dialect, col, false, false)
return fmt.Sprintf("ALTER TABLE %s MODIFY COLUMN %s", db.quoter.Quote(tableName), s)
}
@ -254,9 +254,7 @@ func (db *Base) ForUpdateSQL(query string) string {
func (db *Base) SetParams(params map[string]string) {
}
var (
dialects = map[string]func() Dialect{}
)
var dialects = map[string]func() Dialect{}
// RegisterDialect register database dialect
func RegisterDialect(dbName schemas.DBType, dialectFunc func() Dialect) {
@ -307,7 +305,7 @@ func init() {
}
// ColumnString generate column description string according dialect
func ColumnString(dialect Dialect, col *schemas.Column, includePrimaryKey bool) (string, error) {
func ColumnString(dialect Dialect, col *schemas.Column, includePrimaryKey, supportCollation bool) (string, error) {
bd := strings.Builder{}
if err := dialect.Quoter().QuoteTo(&bd, col.Name); err != nil {
@ -322,6 +320,15 @@ func ColumnString(dialect Dialect, col *schemas.Column, includePrimaryKey bool)
return "", err
}
if supportCollation && col.Collation != "" {
if _, err := bd.WriteString(" COLLATE "); err != nil {
return "", err
}
if _, err := bd.WriteString(col.Collation); err != nil {
return "", err
}
}
if includePrimaryKey && col.IsPrimaryKey {
if _, err := bd.WriteString(" PRIMARY KEY"); err != nil {
return "", err

7
dialects/filter.go
View File

@ -6,7 +6,7 @@ package dialects
import (
"context"
"fmt"
"strconv"
"strings"
)
@ -29,10 +29,11 @@ func convertQuestionMark(sql, prefix string, start int) string {
var isMaybeLineComment bool
var isMaybeComment bool
var isMaybeCommentEnd bool
var index = start
index := start
for _, c := range sql {
if !beginSingleQuote && !isLineComment && !isComment && c == '?' {
buf.WriteString(fmt.Sprintf("%s%v", prefix, index))
buf.WriteString(prefix)
buf.WriteString(strconv.Itoa(index))
index++
} else {
if isMaybeLineComment {

12
dialects/mssql.go
View File

@ -428,7 +428,7 @@ func (db *mssql) DropTableSQL(tableName string) (string, bool) {
}
func (db *mssql) ModifyColumnSQL(tableName string, col *schemas.Column) string {
s, _ := ColumnString(db.dialect, col, false)
s, _ := ColumnString(db.dialect, col, false, true)
return fmt.Sprintf("ALTER TABLE %s ALTER COLUMN %s", db.quoter.Quote(tableName), s)
}
@ -454,7 +454,7 @@ func (db *mssql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
"default_is_null" = (CASE WHEN c.text is null THEN 1 ELSE 0 END),
replace(replace(isnull(c.text,''),'(',''),')','') as vdefault,
ISNULL(p.is_primary_key, 0), a.is_identity as is_identity
ISNULL(p.is_primary_key, 0), a.is_identity as is_identity, a.collation_name
from sys.columns a
left join sys.types b on a.user_type_id=b.user_type_id
left join sys.syscomments c on a.default_object_id=c.id
@ -475,9 +475,10 @@ func (db *mssql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
colSeq := make([]string, 0)
for rows.Next() {
var name, ctype, vdefault string
var collation *string
var maxLen, precision, scale int64
var nullable, isPK, defaultIsNull, isIncrement bool
err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &defaultIsNull, &vdefault, &isPK, &isIncrement)
err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &defaultIsNull, &vdefault, &isPK, &isIncrement, &collation)
if err != nil {
return nil, nil, err
}
@ -499,6 +500,9 @@ func (db *mssql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
} else {
col.Length = maxLen
}
if collation != nil {
col.Collation = *collation
}
switch ct {
case "DATETIMEOFFSET":
col.SQLType = schemas.SQLType{Name: schemas.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
@ -646,7 +650,7 @@ func (db *mssql) CreateTableSQL(ctx context.Context, queryer core.Queryer, table
for i, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
s, _ := ColumnString(db.dialect, col, col.IsPrimaryKey && len(table.PrimaryKeys) == 1)
s, _ := ColumnString(db.dialect, col, col.IsPrimaryKey && len(table.PrimaryKeys) == 1, true)
b.WriteString(s)
if i != len(table.ColumnsSeq())-1 {

38
dialects/mysql.go
View File

@ -380,12 +380,24 @@ func (db *mysql) IsTableExist(queryer core.Queryer, ctx context.Context, tableNa
func (db *mysql) AddColumnSQL(tableName string, col *schemas.Column) string {
quoter := db.dialect.Quoter()
s, _ := ColumnString(db, col, true)
sql := fmt.Sprintf("ALTER TABLE %v ADD %v", quoter.Quote(tableName), s)
s, _ := ColumnString(db, col, true, true)
var b strings.Builder
b.WriteString("ALTER TABLE ")
quoter.QuoteTo(&b, tableName)
b.WriteString(" ADD ")
b.WriteString(s)
if len(col.Comment) > 0 {
sql += " COMMENT '" + col.Comment + "'"
b.WriteString(" COMMENT '")
b.WriteString(col.Comment)
b.WriteString("'")
}
return sql
return b.String()
}
// ModifyColumnSQL returns a SQL to modify SQL
func (db *mysql) ModifyColumnSQL(tableName string, col *schemas.Column) string {
s, _ := ColumnString(db.dialect, col, false, true)
return fmt.Sprintf("ALTER TABLE %s MODIFY COLUMN %s", db.quoter.Quote(tableName), s)
}
func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
@ -398,7 +410,7 @@ func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
"SUBSTRING_INDEX(SUBSTRING(VERSION(), 6), '-', 1) >= 7)))))"
s := "SELECT `COLUMN_NAME`, `IS_NULLABLE`, `COLUMN_DEFAULT`, `COLUMN_TYPE`," +
" `COLUMN_KEY`, `EXTRA`, `COLUMN_COMMENT`, `CHARACTER_MAXIMUM_LENGTH`, " +
alreadyQuoted + " AS NEEDS_QUOTE " +
alreadyQuoted + " AS NEEDS_QUOTE, `COLLATION_NAME` " +
"FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?" +
" ORDER BY `COLUMNS`.ORDINAL_POSITION ASC"
@ -416,8 +428,8 @@ func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
var columnName, nullableStr, colType, colKey, extra, comment string
var alreadyQuoted, isUnsigned bool
var colDefault, maxLength *string
err = rows.Scan(&columnName, &nullableStr, &colDefault, &colType, &colKey, &extra, &comment, &maxLength, &alreadyQuoted)
var colDefault, maxLength, collation *string
err = rows.Scan(&columnName, &nullableStr, &colDefault, &colType, &colKey, &extra, &comment, &maxLength, &alreadyQuoted, &collation)
if err != nil {
return nil, nil, err
}
@ -433,6 +445,9 @@ func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
} else {
col.DefaultIsEmpty = true
}
if collation != nil {
col.Collation = *collation
}
fields := strings.Fields(colType)
if len(fields) == 2 && fields[1] == "unsigned" {
@ -525,7 +540,7 @@ func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName
func (db *mysql) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
args := []interface{}{db.uri.DBName}
s := "SELECT `TABLE_NAME`, `ENGINE`, `AUTO_INCREMENT`, `TABLE_COMMENT` from " +
s := "SELECT `TABLE_NAME`, `ENGINE`, `AUTO_INCREMENT`, `TABLE_COMMENT`, `TABLE_COLLATION` from " +
"`INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? AND (`ENGINE`='MyISAM' OR `ENGINE` = 'InnoDB' OR `ENGINE` = 'TokuDB')"
rows, err := queryer.QueryContext(ctx, s, args...)
@ -537,9 +552,9 @@ func (db *mysql) GetTables(queryer core.Queryer, ctx context.Context) ([]*schema
tables := make([]*schemas.Table, 0)
for rows.Next() {
table := schemas.NewEmptyTable()
var name, engine string
var name, engine, collation string
var autoIncr, comment *string
err = rows.Scan(&name, &engine, &autoIncr, &comment)
err = rows.Scan(&name, &engine, &autoIncr, &comment, &collation)
if err != nil {
return nil, err
}
@ -549,6 +564,7 @@ func (db *mysql) GetTables(queryer core.Queryer, ctx context.Context) ([]*schema
table.Comment = *comment
}
table.StoreEngine = engine
table.Collation = collation
tables = append(tables, table)
}
if rows.Err() != nil {
@ -640,7 +656,7 @@ func (db *mysql) CreateTableSQL(ctx context.Context, queryer core.Queryer, table
for i, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
s, _ := ColumnString(db.dialect, col, col.IsPrimaryKey && len(table.PrimaryKeys) == 1)
s, _ := ColumnString(db.dialect, col, col.IsPrimaryKey && len(table.PrimaryKeys) == 1, true)
b.WriteString(s)
if len(col.Comment) > 0 {

2
dialects/oracle.go
View File

@ -628,7 +628,7 @@ func (db *oracle) CreateTableSQL(ctx context.Context, queryer core.Queryer, tabl
/*if col.IsPrimaryKey && len(pkList) == 1 {
sql += col.String(b.dialect)
} else {*/
s, _ := ColumnString(db, col, false)
s, _ := ColumnString(db, col, false, false)
sql += s
// }
sql = strings.TrimSpace(sql)

4
dialects/postgres.go
View File

@ -992,7 +992,7 @@ func (db *postgres) IsTableExist(queryer core.Queryer, ctx context.Context, tabl
}
func (db *postgres) AddColumnSQL(tableName string, col *schemas.Column) string {
s, _ := ColumnString(db.dialect, col, true)
s, _ := ColumnString(db.dialect, col, true, false)
quoter := db.dialect.Quoter()
addColumnSQL := ""
@ -1078,7 +1078,7 @@ FROM pg_attribute f
LEFT JOIN pg_constraint p ON p.conrelid = c.oid AND f.attnum = ANY (p.conkey)
LEFT JOIN pg_class AS g ON p.confrelid = g.oid
LEFT JOIN INFORMATION_SCHEMA.COLUMNS s ON s.column_name=f.attname AND c.relname=s.table_name
WHERE n.nspname= s.table_schema AND c.relkind = 'r'::char AND c.relname = $1%s AND f.attnum > 0 ORDER BY f.attnum;`
WHERE n.nspname= s.table_schema AND c.relkind = 'r' AND c.relname = $1%s AND f.attnum > 0 ORDER BY f.attnum;`
schema := db.getSchema()
if schema != "" {

15
engine.go
View File

@ -1120,21 +1120,6 @@ func (engine *Engine) UnMapType(t reflect.Type) {
engine.tagParser.ClearCacheTable(t)
}
// Sync the new struct changes to database, this method will automatically add
// table, column, index, unique. but will not delete or change anything.
// If you change some field, you should change the database manually.
func (engine *Engine) Sync(beans ...interface{}) error {
session := engine.NewSession()
defer session.Close()
return session.Sync(beans...)
}
// Sync2 synchronize structs to database tables
// Depricated
func (engine *Engine) Sync2(beans ...interface{}) error {
return engine.Sync(beans...)
}
// CreateTables create tabls according bean
func (engine *Engine) CreateTables(beans ...interface{}) error {
session := engine.NewSession()

111
integrations/session_schema_test.go → integrations/schema_test.go
View File

@ -5,6 +5,7 @@
package integrations
import (
"errors"
"fmt"
"strings"
"testing"
@ -458,7 +459,7 @@ func TestSync2_2(t *testing.T) {
assert.NoError(t, PrepareEngine())
var tableNames = make(map[string]bool)
tableNames := make(map[string]bool)
for i := 0; i < 10; i++ {
tableName := fmt.Sprintf("test_sync2_index_%d", i)
tableNames[tableName] = true
@ -536,3 +537,111 @@ func TestModifyColum(t *testing.T) {
_, err := testEngine.Exec(alterSQL)
assert.NoError(t, err)
}
type TestCollateColumn struct {
Id int64
UserId int64 `xorm:"unique(s)"`
Name string `xorm:"varchar(20) unique(s)"`
dbtype string `xorm:"-"`
}
func (t TestCollateColumn) TableCollations() []*schemas.Collation {
if t.dbtype == string(schemas.MYSQL) {
return []*schemas.Collation{
{
Name: "utf8mb4_general_ci",
Column: "name",
},
}
} else if t.dbtype == string(schemas.MSSQL) {
return []*schemas.Collation{
{
Name: "Latin1_General_CI_AS",
Column: "name",
},
}
}
return nil
}
func TestCollate(t *testing.T) {
assert.NoError(t, PrepareEngine())
assertSync(t, &TestCollateColumn{
dbtype: string(testEngine.Dialect().URI().DBType),
})
_, err := testEngine.Insert(&TestCollateColumn{
UserId: 1,
Name: "test",
})
assert.NoError(t, err)
_, err = testEngine.Insert(&TestCollateColumn{
UserId: 1,
Name: "Test",
})
if testEngine.Dialect().URI().DBType == schemas.MYSQL {
ver, err1 := testEngine.DBVersion()
assert.NoError(t, err1)
tables, err1 := testEngine.DBMetas()
assert.NoError(t, err1)
for _, table := range tables {
if table.Name == "test_collate_column" {
col := table.GetColumn("name")
if col == nil {
assert.Error(t, errors.New("not found column"))
return
}
// tidb doesn't follow utf8mb4_general_ci
if col.Collation == "utf8mb4_general_ci" && ver.Edition != "TiDB" {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
break
}
}
} else if testEngine.Dialect().URI().DBType == schemas.MSSQL {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
// Since SQLITE don't support modify column SQL, currrently just ignore
if testEngine.Dialect().URI().DBType != schemas.MYSQL && testEngine.Dialect().URI().DBType != schemas.MSSQL {
return
}
var newCollation string
if testEngine.Dialect().URI().DBType == schemas.MYSQL {
newCollation = "utf8mb4_bin"
} else if testEngine.Dialect().URI().DBType != schemas.MSSQL {
newCollation = "Latin1_General_CS_AS"
} else {
return
}
alterSQL := testEngine.Dialect().ModifyColumnSQL("test_collate_column", &schemas.Column{
Name: "name",
SQLType: schemas.SQLType{
Name: "VARCHAR",
},
Length: 20,
Nullable: true,
DefaultIsEmpty: true,
Collation: newCollation,
})
_, err = testEngine.Exec(alterSQL)
assert.NoError(t, err)
_, err = testEngine.Insert(&TestCollateColumn{
UserId: 1,
Name: "test1",
})
assert.NoError(t, err)
_, err = testEngine.Insert(&TestCollateColumn{
UserId: 1,
Name: "Test1",
})
assert.NoError(t, err)
}

67
integrations/session_query_test.go
View File

@ -5,11 +5,13 @@
package integrations
import (
"bytes"
"strconv"
"testing"
"time"
"xorm.io/builder"
"xorm.io/xorm/schemas"
"github.com/stretchr/testify/assert"
@ -381,3 +383,68 @@ func TestQueryStringWithLimit(t *testing.T) {
assert.NoError(t, err)
assert.EqualValues(t, 0, len(data))
}
func TestQueryBLOBInMySQL(t *testing.T) {
assert.NoError(t, PrepareEngine())
var err error
type Avatar struct {
Id int64 `xorm:"autoincr pk"`
Avatar []byte `xorm:"BLOB"`
}
assert.NoError(t, testEngine.Sync(new(Avatar)))
testEngine.Delete(Avatar{})
repeatBytes := func(n int, b byte) []byte {
return bytes.Repeat([]byte{b}, n)
}
const N = 10
var data = []Avatar{}
for i := 0; i < N; i++ {
// allocate a []byte that is as twice big as the last one
// so that the underlying buffer will need to reallocate when querying
bs := repeatBytes(1<<(i+2), 'A'+byte(i))
data = append(data, Avatar{
Avatar: bs,
})
}
_, err = testEngine.Insert(data)
assert.NoError(t, err)
defer func() {
testEngine.Delete(Avatar{})
}()
{
records, err := testEngine.QueryInterface("select avatar from " + testEngine.Quote(testEngine.TableName("avatar", true)))
assert.NoError(t, err)
for i, record := range records {
bs := record["avatar"].([]byte)
assert.EqualValues(t, repeatBytes(1<<(i+2), 'A'+byte(i))[:3], bs[:3])
t.Logf("%d => %p => %02x %02x %02x", i, bs, bs[0], bs[1], bs[2])
}
}
{
arr := make([][]interface{}, 0)
err = testEngine.Table(testEngine.Quote(testEngine.TableName("avatar", true))).Cols("avatar").Find(&arr)
assert.NoError(t, err)
for i, record := range arr {
bs := record[0].([]byte)
assert.EqualValues(t, repeatBytes(1<<(i+2), 'A'+byte(i))[:3], bs[:3])
t.Logf("%d => %p => %02x %02x %02x", i, bs, bs[0], bs[1], bs[2])
}
}
{
arr := make([]map[string]interface{}, 0)
err = testEngine.Table(testEngine.Quote(testEngine.TableName("avatar", true))).Cols("avatar").Find(&arr)
assert.NoError(t, err)
for i, record := range arr {
bs := record["avatar"].([]byte)
assert.EqualValues(t, repeatBytes(1<<(i+2), 'A'+byte(i))[:3], bs[:3])
t.Logf("%d => %p => %02x %02x %02x", i, bs, bs[0], bs[1], bs[2])
}
}
}

16
internal/statements/cache.go
View File

@ -6,6 +6,7 @@ package statements
import (
"fmt"
"strconv"
"strings"
"xorm.io/xorm/internal/utils"
@ -26,14 +27,19 @@ func (statement *Statement) ConvertIDSQL(sqlStr string) string {
return ""
}
var top string
var b strings.Builder
b.WriteString("SELECT ")
pLimitN := statement.LimitN
if pLimitN != nil && statement.dialect.URI().DBType == schemas.MSSQL {
top = fmt.Sprintf("TOP %d ", *pLimitN)
b.WriteString("TOP ")
b.WriteString(strconv.Itoa(*pLimitN))
b.WriteString(" ")
}
b.WriteString(colstrs)
b.WriteString(" FROM ")
b.WriteString(sqls[1])
newsql := fmt.Sprintf("SELECT %s%s FROM %v", top, colstrs, sqls[1])
return newsql
return b.String()
}
return ""
}
@ -54,7 +60,7 @@ func (statement *Statement) ConvertUpdateSQL(sqlStr string) (string, string) {
return "", ""
}
var whereStr = sqls[1]
whereStr := sqls[1]
// TODO: for postgres only, if any other database?
var paraStr string

10
schemas/collation.go Normal file
View File

@ -0,0 +1,10 @@
// Copyright 2023 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package schemas
type Collation struct {
Name string
Column string // blank means it's a table collation
}

1
schemas/column.go
View File

@ -45,6 +45,7 @@ type Column struct {
DisableTimeZone bool
TimeZone *time.Location // column specified time zone
Comment string
Collation string
}
// NewColumn creates a new column

4
schemas/table.go
View File

@ -27,6 +27,7 @@ type Table struct {
StoreEngine string
Charset string
Comment string
Collation string
}
// NewEmptyTable creates an empty table
@ -36,7 +37,8 @@ func NewEmptyTable() *Table {
// NewTable creates a new Table object
func NewTable(name string, t reflect.Type) *Table {
return &Table{Name: name, Type: t,
return &Table{
Name: name, Type: t,
columnsSeq: make([]string, 0),
columns: make([]*Column, 0),
columnsMap: make(map[string][]*Column),

273
sync.go Normal file
View File

@ -0,0 +1,273 @@
// Copyright 2023 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"strings"
"xorm.io/xorm/internal/utils"
"xorm.io/xorm/schemas"
)
type SyncOptions struct {
WarnIfDatabaseColumnMissed bool
}
type SyncResult struct{}
// Sync the new struct changes to database, this method will automatically add
// table, column, index, unique. but will not delete or change anything.
// If you change some field, you should change the database manually.
func (engine *Engine) Sync(beans ...interface{}) error {
session := engine.NewSession()
defer session.Close()
return session.Sync(beans...)
}
// SyncWithOptions sync the database schemas according options and table structs
func (engine *Engine) SyncWithOptions(opts SyncOptions, beans ...interface{}) (*SyncResult, error) {
session := engine.NewSession()
defer session.Close()
return session.SyncWithOptions(opts, beans...)
}
// Sync2 synchronize structs to database tables
// Depricated
func (engine *Engine) Sync2(beans ...interface{}) error {
return engine.Sync(beans...)
}
// Sync2 synchronize structs to database tables
// Depricated
func (session *Session) Sync2(beans ...interface{}) error {
return session.Sync(beans...)
}
// Sync synchronize structs to database tables
func (session *Session) Sync(beans ...interface{}) error {
_, err := session.SyncWithOptions(SyncOptions{
WarnIfDatabaseColumnMissed: false,
}, beans...)
return err
}
func (session *Session) SyncWithOptions(opts SyncOptions, beans ...interface{}) (*SyncResult, error) {
engine := session.engine
if session.isAutoClose {
session.isAutoClose = false
defer session.Close()
}
tables, err := engine.dialect.GetTables(session.getQueryer(), session.ctx)
if err != nil {
return nil, err
}
session.autoResetStatement = false
defer func() {
session.autoResetStatement = true
session.resetStatement()
}()
var syncResult SyncResult
for _, bean := range beans {
v := utils.ReflectValue(bean)
table, err := engine.tagParser.ParseWithCache(v)
if err != nil {
return nil, err
}
var tbName string
if len(session.statement.AltTableName) > 0 {
tbName = session.statement.AltTableName
} else {
tbName = engine.TableName(bean)
}
tbNameWithSchema := engine.tbNameWithSchema(tbName)
var oriTable *schemas.Table
for _, tb := range tables {
if strings.EqualFold(engine.tbNameWithSchema(tb.Name), engine.tbNameWithSchema(tbName)) {
oriTable = tb
break
}
}
// this is a new table
if oriTable == nil {
err = session.StoreEngine(session.statement.StoreEngine).createTable(bean)
if err != nil {
return nil, err
}
err = session.createUniques(bean)
if err != nil {
return nil, err
}
err = session.createIndexes(bean)
if err != nil {
return nil, err
}
continue
}
// this will modify an old table
if err = engine.loadTableInfo(oriTable); err != nil {
return nil, err
}
// check columns
for _, col := range table.Columns() {
var oriCol *schemas.Column
for _, col2 := range oriTable.Columns() {
if strings.EqualFold(col.Name, col2.Name) {
oriCol = col2
break
}
}
// column is not exist on table
if oriCol == nil {
session.statement.RefTable = table
session.statement.SetTableName(tbNameWithSchema)
if err = session.addColumn(col.Name); err != nil {
return nil, err
}
continue
}
err = nil
expectedType := engine.dialect.SQLType(col)
curType := engine.dialect.SQLType(oriCol)
if expectedType != curType {
if expectedType == schemas.Text &&
strings.HasPrefix(curType, schemas.Varchar) {
// currently only support mysql & postgres
if engine.dialect.URI().DBType == schemas.MYSQL ||
engine.dialect.URI().DBType == schemas.POSTGRES {
engine.logger.Infof("Table %s column %s change type from %s to %s\n",
tbNameWithSchema, col.Name, curType, expectedType)
_, err = session.exec(engine.dialect.ModifyColumnSQL(tbNameWithSchema, col))
} else {
engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s\n",
tbNameWithSchema, col.Name, curType, expectedType)
}
} else if strings.HasPrefix(curType, schemas.Varchar) && strings.HasPrefix(expectedType, schemas.Varchar) {
if engine.dialect.URI().DBType == schemas.MYSQL {
if oriCol.Length < col.Length {
engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
tbNameWithSchema, col.Name, oriCol.Length, col.Length)
_, err = session.exec(engine.dialect.ModifyColumnSQL(tbNameWithSchema, col))
}
}
} else {
if !(strings.HasPrefix(curType, expectedType) && curType[len(expectedType)] == '(') {
if !strings.EqualFold(schemas.SQLTypeName(curType), engine.dialect.Alias(schemas.SQLTypeName(expectedType))) {
engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s",
tbNameWithSchema, col.Name, curType, expectedType)
}
}
}
} else if expectedType == schemas.Varchar {
if engine.dialect.URI().DBType == schemas.MYSQL {
if oriCol.Length < col.Length {
engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
tbNameWithSchema, col.Name, oriCol.Length, col.Length)
_, err = session.exec(engine.dialect.ModifyColumnSQL(tbNameWithSchema, col))
}
}
} else if col.Comment != oriCol.Comment {
_, err = session.exec(engine.dialect.ModifyColumnSQL(tbNameWithSchema, col))
}
if col.Default != oriCol.Default {
switch {
case col.IsAutoIncrement: // For autoincrement column, don't check default
case (col.SQLType.Name == schemas.Bool || col.SQLType.Name == schemas.Boolean) &&
((strings.EqualFold(col.Default, "true") && oriCol.Default == "1") ||
(strings.EqualFold(col.Default, "false") && oriCol.Default == "0")):
default:
engine.logger.Warnf("Table %s Column %s db default is %s, struct default is %s",
tbName, col.Name, oriCol.Default, col.Default)
}
}
if col.Nullable != oriCol.Nullable {
engine.logger.Warnf("Table %s Column %s db nullable is %v, struct nullable is %v",
tbName, col.Name, oriCol.Nullable, col.Nullable)
}
if err != nil {
return nil, err
}
}
foundIndexNames := make(map[string]bool)
addedNames := make(map[string]*schemas.Index)
for name, index := range table.Indexes {
var oriIndex *schemas.Index
for name2, index2 := range oriTable.Indexes {
if index.Equal(index2) {
oriIndex = index2
foundIndexNames[name2] = true
break
}
}
if oriIndex != nil {
if oriIndex.Type != index.Type {
sql := engine.dialect.DropIndexSQL(tbNameWithSchema, oriIndex)
_, err = session.exec(sql)
if err != nil {
return nil, err
}
oriIndex = nil
}
}
if oriIndex == nil {
addedNames[name] = index
}
}
for name2, index2 := range oriTable.Indexes {
if _, ok := foundIndexNames[name2]; !ok {
sql := engine.dialect.DropIndexSQL(tbNameWithSchema, index2)
_, err = session.exec(sql)
if err != nil {
return nil, err
}
}
}
for name, index := range addedNames {
if index.Type == schemas.UniqueType {
session.statement.RefTable = table
session.statement.SetTableName(tbNameWithSchema)
err = session.addUnique(tbNameWithSchema, name)
} else if index.Type == schemas.IndexType {
session.statement.RefTable = table
session.statement.SetTableName(tbNameWithSchema)
err = session.addIndex(tbNameWithSchema, name)
}
if err != nil {
return nil, err
}
}
if opts.WarnIfDatabaseColumnMissed {
// check all the columns which removed from struct fields but left on database tables.
for _, colName := range oriTable.ColumnsSeq() {
if table.GetColumn(colName) == nil {
engine.logger.Warnf("Table %s has column %s but struct has not related field", engine.TableName(oriTable.Name, true), colName)
}
}
}
}
return &syncResult, nil
}

41
tags/parser.go
View File

@ -31,6 +31,12 @@ type TableIndices interface {
var tpTableIndices = reflect.TypeOf((*TableIndices)(nil)).Elem()
type TableCollations interface {
TableCollations() []*schemas.Collation
}
var tpTableCollations = reflect.TypeOf((*TableCollations)(nil)).Elem()
// Parser represents a parser for xorm tag
type Parser struct {
identifier string
@ -356,6 +362,22 @@ func (parser *Parser) Parse(v reflect.Value) (*schemas.Table, error) {
}
}
collations := tableCollations(v)
for _, collation := range collations {
if collation.Name == "" {
continue
}
if collation.Column == "" {
table.Collation = collation.Name
} else {
col := table.GetColumn(collation.Column)
if col == nil {
return nil, ErrUnsupportedType
}
col.Collation = collation.Name // this may override definition in struct tag
}
}
return table, nil
}
@ -377,3 +399,22 @@ func tableIndices(v reflect.Value) []*schemas.Index {
}
return nil
}
func tableCollations(v reflect.Value) []*schemas.Collation {
if v.Type().Implements(tpTableCollations) {
return v.Interface().(TableCollations).TableCollations()
}
if v.Kind() == reflect.Ptr {
v = v.Elem()
if v.Type().Implements(tpTableCollations) {
return v.Interface().(TableCollations).TableCollations()
}
} else if v.CanAddr() {
v1 := v.Addr()
if v1.Type().Implements(tpTableCollations) {
return v1.Interface().(TableCollations).TableCollations()
}
}
return nil
}

11
tags/tag.go
View File

@ -123,6 +123,7 @@ var defaultTagHandlers = map[string]Handler{
"COMMENT": CommentTagHandler,
"EXTENDS": ExtendsTagHandler,
"UNSIGNED": UnsignedTagHandler,
"COLLATE": CollateTagHandler,
}
func init() {
@ -282,6 +283,16 @@ func CommentTagHandler(ctx *Context) error {
return nil
}
func CollateTagHandler(ctx *Context) error {
if len(ctx.params) > 0 {
ctx.col.Collation = ctx.params[0]
} else {
ctx.col.Collation = ctx.nextTag
ctx.ignoreNext = true
}
return nil
}
// SQLTypeTagHandler describes SQL Type tag handler
func SQLTypeTagHandler(ctx *Context) error {
ctx.col.SQLType = schemas.SQLType{Name: ctx.tagUname}

32
tags/tag_test.go
View File

@ -11,11 +11,12 @@ import (
)
func TestSplitTag(t *testing.T) {
var cases = []struct {
cases := []struct {
tag string
tags []tag
}{
{"not null default '2000-01-01 00:00:00' TIMESTAMP", []tag{
{
"not null default '2000-01-01 00:00:00' TIMESTAMP", []tag{
{
name: "not",
},
@ -33,13 +34,15 @@ func TestSplitTag(t *testing.T) {
},
},
},
{"TEXT", []tag{
{
"TEXT", []tag{
{
name: "TEXT",
},
},
},
{"default('2000-01-01 00:00:00')", []tag{
{
"default('2000-01-01 00:00:00')", []tag{
{
name: "default",
params: []string{
@ -48,7 +51,8 @@ func TestSplitTag(t *testing.T) {
},
},
},
{"json binary", []tag{
{
"json binary", []tag{
{
name: "json",
},
@ -57,14 +61,16 @@ func TestSplitTag(t *testing.T) {
},
},
},
{"numeric(10, 2)", []tag{
{
"numeric(10, 2)", []tag{
{
name: "numeric",
params: []string{"10", "2"},
},
},
},
{"numeric(10, 2) notnull", []tag{
{
"numeric(10, 2) notnull", []tag{
{
name: "numeric",
params: []string{"10", "2"},
@ -74,6 +80,16 @@ func TestSplitTag(t *testing.T) {
},
},
},
{
"collate utf8mb4_bin", []tag{
{
name: "collate",
},
{
name: "utf8mb4_bin",
},
},
},
}
for _, kase := range cases {
@ -82,7 +98,7 @@ func TestSplitTag(t *testing.T) {
assert.NoError(t, err)
assert.EqualValues(t, len(tags), len(kase.tags))
for i := 0; i < len(tags); i++ {
assert.Equal(t, tags[i], kase.tags[i])
assert.Equal(t, kase.tags[i], tags[i])
}
})
}