forked from mgutz/dat
-
Notifications
You must be signed in to change notification settings - Fork 0
/
execer.go
82 lines (65 loc) · 2.22 KB
/
execer.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
package dat
import "time"
// Result serves the same purpose as sql.Result. Defining
// it for the package avoids tight coupling with database/sql.
type Result struct {
LastInsertID int64
RowsAffected int64
}
// Execer is any object that executes and queries SQL.
type Execer interface {
Cache(id string, ttl time.Duration, invalidate bool) Execer
Timeout(time.Duration) Execer
Interpolate() (string, []interface{}, error)
Exec() (*Result, error)
QueryScalar(destinations ...interface{}) error
QuerySlice(dest interface{}) error
QueryStruct(dest interface{}) error
QueryStructs(dest interface{}) error
QueryObject(dest interface{}) error
QueryJSON() ([]byte, error)
}
const panicExecerMsg = "dat builders are disconnected, use sqlx-runner package"
var nullExecer = &panicExecer{}
// panicExecer is the execer assigned when a builder is first created.
// panicExecer raises a panic if any of the Execer methods are called
// directly from dat. Runners override the execer to work with a live
// database.
type panicExecer struct{}
func (nop *panicExecer) Cache(id string, ttl time.Duration, invalidate bool) Execer {
panic(panicExecerMsg)
}
func (nop *panicExecer) Timeout(time.Duration) Execer {
panic(panicExecerMsg)
}
// Exec panics when Exec is called.
func (nop *panicExecer) Exec() (*Result, error) {
panic(panicExecerMsg)
}
func (nop *panicExecer) Interpolate() (string, []interface{}, error) {
panic(panicExecerMsg)
}
// QueryScalar panics when QueryScalar is called.
func (nop *panicExecer) QueryScalar(destinations ...interface{}) error {
panic(panicExecerMsg)
}
// QuerySlice panics when QuerySlice is called.
func (nop *panicExecer) QuerySlice(dest interface{}) error {
panic(panicExecerMsg)
}
// QueryStruct panics when QueryStruct is called.
func (nop *panicExecer) QueryStruct(dest interface{}) error {
panic(panicExecerMsg)
}
// QueryStructs panics when QueryStructs is called.
func (nop *panicExecer) QueryStructs(dest interface{}) error {
panic(panicExecerMsg)
}
// QueryObject panics when QueryObject is called.
func (nop *panicExecer) QueryObject(dest interface{}) error {
panic(panicExecerMsg)
}
// QueryJSON panics when QueryJSON is called.
func (nop *panicExecer) QueryJSON() ([]byte, error) {
panic(panicExecerMsg)
}