gorm/interfaces.go

89 lines
2.1 KiB
Go

package gorm
import (
"context"
"database/sql"
"gorm.io/gorm/clause"
"gorm.io/gorm/schema"
)
// Dialector GORM database dialector
type Dialector interface {
Name() string
Initialize(*DB) error
Migrator(db *DB) Migrator
DataTypeOf(*schema.Field) string
DefaultValueOf(*schema.Field) clause.Expression
BindVarTo(writer clause.Writer, stmt *Statement, v interface{})
QuoteTo(clause.Writer, string)
Explain(sql string, vars ...interface{}) string
}
// Plugin GORM plugin interface
type Plugin interface {
Name() string
Initialize(*DB) error
}
type ParamsFilter interface {
ParamsFilter(ctx context.Context, sql string, params ...interface{}) (string, []interface{})
}
// ConnPool db conns pool interface
type ConnPool interface {
PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row
}
// SavePointerDialectorInterface save pointer interface
type SavePointerDialectorInterface interface {
SavePoint(tx *DB, name string) error
RollbackTo(tx *DB, name string) error
}
// TxBeginner tx beginner
type TxBeginner interface {
BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
}
// ConnPoolBeginner conn pool beginner
type ConnPoolBeginner interface {
BeginTx(ctx context.Context, opts *sql.TxOptions) (ConnPool, error)
}
// TxCommitter tx committer
type TxCommitter interface {
Commit() error
Rollback() error
}
// Tx sql.Tx interface
type Tx interface {
ConnPool
TxCommitter
StmtContext(ctx context.Context, stmt *sql.Stmt) *sql.Stmt
}
// Valuer gorm valuer interface
type Valuer interface {
GormValue(context.Context, *DB) clause.Expr
}
// GetDBConnector SQL db connector
type GetDBConnector interface {
GetDBConn() (*sql.DB, error)
}
// Rows rows interface
type Rows interface {
Columns() ([]string, error)
ColumnTypes() ([]*sql.ColumnType, error)
Next() bool
Scan(dest ...interface{}) error
Err() error
Close() error
}