123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869 |
- package sqlite
- import (
- "database/sql"
- "github.com/jinzhu/gorm"
- "github.com/jinzhu/gorm/callbacks"
- "github.com/jinzhu/gorm/logger"
- "github.com/jinzhu/gorm/migrator"
- "github.com/jinzhu/gorm/schema"
- _ "github.com/mattn/go-sqlite3"
- )
- type Dialector struct {
- DSN string
- }
- func Open(dsn string) gorm.Dialector {
- return &Dialector{DSN: dsn}
- }
- func (dialector Dialector) Initialize(db *gorm.DB) (err error) {
- // register callbacks
- callbacks.RegisterDefaultCallbacks(db)
- db.DB, err = sql.Open("sqlite3", dialector.DSN)
- return
- }
- func (dialector Dialector) Migrator(db *gorm.DB) gorm.Migrator {
- return Migrator{migrator.Migrator{Config: migrator.Config{
- DB: db,
- Dialector: dialector,
- CreateIndexAfterCreateTable: true,
- }}}
- }
- func (dialector Dialector) BindVar(stmt *gorm.Statement, v interface{}) string {
- return "?"
- }
- func (dialector Dialector) QuoteChars() [2]byte {
- return [2]byte{'`', '`'} // `name`
- }
- func (dialector Dialector) Explain(sql string, vars ...interface{}) string {
- return logger.ExplainSQL(sql, nil, `"`, vars...)
- }
- func (dialector Dialector) DataTypeOf(field *schema.Field) string {
- switch field.DataType {
- case schema.Bool:
- return "numeric"
- case schema.Int, schema.Uint:
- if field.AutoIncrement {
- // https://www.sqlite.org/autoinc.html
- return "integer PRIMARY KEY AUTOINCREMENT"
- } else {
- return "integer"
- }
- case schema.Float:
- return "real"
- case schema.String, schema.Time:
- return "text"
- case schema.Bytes:
- return "blob"
- }
- return ""
- }
|