orm.go
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package orm
import (
"context"
"io"
"github.com/go-pg/pg/v10/types"
)
// ColumnScanner is used to scan column values.
type ColumnScanner interface {
// Scan assigns a column value from a row.
//
// An error should be returned if the value can not be stored
// without loss of information.
ScanColumn(colIdx int, colName string, rd types.Reader, n int) error
}
type QueryAppender interface {
AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error)
}
type TemplateAppender interface {
AppendTemplate(b []byte) ([]byte, error)
}
type queryCommand interface {
QueryAppender
TemplateAppender
Clone() queryCommand
Query() *Query
}
// DB is a common interface for pg.DB and pg.Tx types.
type DB interface {
Model(model ...interface{}) *Query
ModelContext(c context.Context, model ...interface{}) *Query
Select(model interface{}) error
Insert(model ...interface{}) error
Update(model interface{}) error
Delete(model interface{}) error
ForceDelete(model interface{}) error
Exec(query interface{}, params ...interface{}) (Result, error)
ExecContext(c context.Context, query interface{}, params ...interface{}) (Result, error)
ExecOne(query interface{}, params ...interface{}) (Result, error)
ExecOneContext(c context.Context, query interface{}, params ...interface{}) (Result, error)
Query(model, query interface{}, params ...interface{}) (Result, error)
QueryContext(c context.Context, model, query interface{}, params ...interface{}) (Result, error)
QueryOne(model, query interface{}, params ...interface{}) (Result, error)
QueryOneContext(c context.Context, model, query interface{}, params ...interface{}) (Result, error)
CopyFrom(r io.Reader, query interface{}, params ...interface{}) (Result, error)
CopyTo(w io.Writer, query interface{}, params ...interface{}) (Result, error)
Context() context.Context
Formatter() QueryFormatter
}