/
orm.go
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/
orm.go
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package orm
import (
"context"
"io"
)
// 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, b []byte) error
}
type QueryAppender interface {
Copy() QueryAppender
Query() *Query
AppendQuery(dst []byte) ([]byte, error)
}
type QueryFormatter interface {
FormatQuery(b []byte, query string, params ...interface{}) []byte
}
// DB is a common interface for pg.DB and pg.Tx types.
type DB interface {
Model(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)
ExecOne(query interface{}, params ...interface{}) (Result, error)
Query(coll, query interface{}, params ...interface{}) (Result, error)
QueryOne(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
QueryFormatter
}