/
get.go
93 lines (76 loc) · 2.2 KB
/
get.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
83
84
85
86
87
88
89
90
91
92
93
// Copyright (C) 2017 Space Monkey, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package golang
import (
"strings"
"gopkg.in/spacemonkeygo/dbx.v1/ir"
"gopkg.in/spacemonkeygo/dbx.v1/sql"
"gopkg.in/spacemonkeygo/dbx.v1/sqlgen/sqlembedgo"
)
type Get struct {
PartitionedArgs
Info sqlembedgo.Info
Suffix string
Row *Var
LastPk *Var
}
func GetFromIR(ir_read *ir.Read, dialect sql.Dialect) *Get {
select_sql := sql.SelectSQL(ir_read, dialect)
get := &Get{
PartitionedArgs: PartitionedArgsFromWheres(ir_read.Where),
Info: sqlembedgo.Embed("__", select_sql),
Suffix: convertSuffix(ir_read.Suffix),
}
get.Row = GetRowFromIR(ir_read)
if ir_read.View == ir.Paged {
pk_var := VarFromField(ir_read.From.BasicPrimaryKey())
pk_var.Name = "__" + pk_var.Name
get.LastPk = pk_var
}
return get
}
func GetRowFromIR(ir_read *ir.Read) *Var {
if model := ir_read.SelectedModel(); model != nil {
return VarFromModel(model)
}
return MakeResultVar(ir_read.Selectables)
}
func MakeResultVar(selectables []ir.Selectable) *Var {
vars := VarsFromSelectables(selectables)
// construct the aggregate struct name
var parts []string
for _, v := range vars {
parts = append(parts, v.Name)
}
parts = append(parts, "Row")
name := strings.Join(parts, "_")
return StructVar("row", name, vars)
}
func ResultStructFromRead(ir_read *ir.Read) *Struct {
// no result struct if there is just a single model selected
if ir_read.SelectedModel() != nil {
return nil
}
result := MakeResultVar(ir_read.Selectables)
s := &Struct{
Name: result.Type,
}
for _, field := range result.Fields {
s.Fields = append(s.Fields, Field{
Name: field.Name,
Type: field.Type,
})
}
return s
}