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
89
90
91
92
93
94
95
96
97
|
package sqlitedialect
import (
"database/sql"
"reflect"
"sync"
"github.com/uptrace/bun/dialect"
"github.com/uptrace/bun/dialect/feature"
"github.com/uptrace/bun/dialect/sqltype"
"github.com/uptrace/bun/schema"
)
type Dialect struct {
tables *schema.Tables
features feature.Feature
appenderMap sync.Map
scannerMap sync.Map
}
func New() *Dialect {
d := new(Dialect)
d.tables = schema.NewTables(d)
d.features = feature.CTE |
feature.Returning |
feature.InsertTableAlias |
feature.DeleteTableAlias
return d
}
func (d *Dialect) Init(*sql.DB) {}
func (d *Dialect) Name() dialect.Name {
return dialect.SQLite
}
func (d *Dialect) Features() feature.Feature {
return d.features
}
func (d *Dialect) Tables() *schema.Tables {
return d.tables
}
func (d *Dialect) OnTable(table *schema.Table) {
for _, field := range table.FieldMap {
d.onField(field)
}
}
func (d *Dialect) onField(field *schema.Field) {
// INTEGER PRIMARY KEY is an alias for the ROWID.
// It is safe to convert all ints to INTEGER, because SQLite types don't have size.
switch field.DiscoveredSQLType {
case sqltype.SmallInt, sqltype.BigInt:
field.DiscoveredSQLType = sqltype.Integer
}
}
func (d *Dialect) IdentQuote() byte {
return '"'
}
func (d *Dialect) Append(fmter schema.Formatter, b []byte, v interface{}) []byte {
return schema.Append(fmter, b, v, nil)
}
func (d *Dialect) Appender(typ reflect.Type) schema.AppenderFunc {
if v, ok := d.appenderMap.Load(typ); ok {
return v.(schema.AppenderFunc)
}
fn := schema.Appender(typ, nil)
if v, ok := d.appenderMap.LoadOrStore(typ, fn); ok {
return v.(schema.AppenderFunc)
}
return fn
}
func (d *Dialect) FieldAppender(field *schema.Field) schema.AppenderFunc {
return schema.FieldAppender(d, field)
}
func (d *Dialect) Scanner(typ reflect.Type) schema.ScannerFunc {
if v, ok := d.scannerMap.Load(typ); ok {
return v.(schema.ScannerFunc)
}
fn := scanner(typ)
if v, ok := d.scannerMap.LoadOrStore(typ, fn); ok {
return v.(schema.ScannerFunc)
}
return fn
}
|
