gorm/sqlite3.go

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package gorm
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import (
"fmt"
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"reflect"
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)
type sqlite3 struct{}
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func (s *sqlite3) BinVar(i int) string {
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return "$$" // ?
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}
func (s *sqlite3) SupportLastInsertId() bool {
return true
}
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func (s *sqlite3) SqlTag(value reflect.Value, size int) string {
switch value.Kind() {
case reflect.Bool:
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return "bool"
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
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return "integer"
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case reflect.Int64, reflect.Uint64:
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return "bigint"
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case reflect.Float32, reflect.Float64:
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return "real"
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case reflect.String:
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if size > 0 && size < 65532 {
return fmt.Sprintf("varchar(%d)", size)
} else {
return "text"
}
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case reflect.Struct:
if value.Type() == timeType {
return "datetime"
}
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default:
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if _, ok := value.Interface().([]byte); ok {
return "blob"
}
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}
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panic(fmt.Sprintf("invalid sql type %s (%s) for sqlite3", value.Type().Name(), value.Kind().String()))
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}
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func (s *sqlite3) PrimaryKeyTag(value reflect.Value, size int) string {
switch value.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr, reflect.Int64, reflect.Uint64:
return "INTEGER PRIMARY KEY"
default:
panic("Invalid primary key type")
}
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}
func (s *sqlite3) ReturningStr(key string) (str string) {
return
}
func (s *sqlite3) Quote(key string) (str string) {
return fmt.Sprintf("\"%s\"", key)
}