mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-02 08:32:45 +00:00
98 lines
2 KiB
Go
98 lines
2 KiB
Go
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
|
|
}
|