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29b7ff84
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体验新版 GitCode,发现更多精彩内容 >>
提交
29b7ff84
编写于
9月 09, 2014
作者:
Z
Zheng Yang
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
more complete support for sql language
上级
38eb29fa
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
80 addition
and
37 deletion
+80
-37
orm/qb.go
orm/qb.go
+10
-3
orm/qb_mysql.go
orm/qb_mysql.go
+70
-34
未找到文件。
orm/qb.go
浏览文件 @
29b7ff84
...
...
@@ -19,15 +19,22 @@ import "errors"
type
QueryBuilder
interface
{
Select
(
fields
...
string
)
QueryBuilder
From
(
tables
...
string
)
QueryBuilder
Where
(
cond
string
)
QueryBuilder
LimitOffset
(
limit
int
,
offset
int
)
QueryBuilder
InnerJoin
(
table
string
)
QueryBuilder
LeftJoin
(
table
string
)
QueryBuilder
RightJoin
(
table
string
)
QueryBuilder
On
(
cond
string
)
QueryBuilder
Where
(
cond
string
)
QueryBuilder
And
(
cond
string
)
QueryBuilder
Or
(
cond
string
)
QueryBuilder
In
(
vals
...
string
)
QueryBuilder
Subquery
(
query
string
,
rename
string
)
string
OrderBy
(
fields
...
string
)
QueryBuilder
Asc
()
QueryBuilder
Desc
()
QueryBuilder
Limit
(
limit
int
)
QueryBuilder
Offset
(
offset
int
)
QueryBuilder
GroupBy
(
fields
...
string
)
QueryBuilder
Having
(
cond
string
)
QueryBuilder
Subquery
(
sub
string
,
alias
string
)
string
String
()
string
}
...
...
orm/qb_mysql.go
浏览文件 @
29b7ff84
...
...
@@ -16,70 +16,106 @@ package orm
import
(
"fmt"
"strconv"
"strings"
)
type
MySQLQueryBuilder
struct
{
Query
String
[]
string
Query
Tokens
[]
string
}
func
(
q
w
*
MySQLQueryBuilder
)
Select
(
fields
...
string
)
QueryBuilder
{
func
(
q
b
*
MySQLQueryBuilder
)
Select
(
fields
...
string
)
QueryBuilder
{
segment
:=
fmt
.
Sprintf
(
"SELECT %s"
,
strings
.
Join
(
fields
,
", "
))
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
segment
)
return
q
w
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
segment
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
From
(
tables
...
string
)
QueryBuilder
{
func
(
q
b
*
MySQLQueryBuilder
)
From
(
tables
...
string
)
QueryBuilder
{
segment
:=
fmt
.
Sprintf
(
"FROM %s"
,
strings
.
Join
(
tables
,
", "
))
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
segment
)
return
q
w
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
segment
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
Where
(
cond
string
)
QueryBuilder
{
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
"WHERE "
+
cond
)
return
q
w
func
(
q
b
*
MySQLQueryBuilder
)
InnerJoin
(
table
string
)
QueryBuilder
{
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"INNER JOIN "
+
table
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
LimitOffset
(
limit
int
,
offset
int
)
QueryBuilder
{
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
fmt
.
Sprintf
(
"LIMIT %d OFFSET %d"
,
limit
,
offset
)
)
return
q
w
func
(
q
b
*
MySQLQueryBuilder
)
LeftJoin
(
table
string
)
QueryBuilder
{
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"LEFT JOIN "
+
table
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
Inner
Join
(
table
string
)
QueryBuilder
{
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
"INNER
JOIN "
+
table
)
return
q
w
func
(
q
b
*
MySQLQueryBuilder
)
Right
Join
(
table
string
)
QueryBuilder
{
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"RIGHT
JOIN "
+
table
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
LeftJoin
(
table
string
)
QueryBuilder
{
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
"LEFT JOIN "
+
table
)
return
q
w
func
(
q
b
*
MySQLQueryBuilder
)
On
(
cond
string
)
QueryBuilder
{
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"ON "
+
cond
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
On
(
cond
string
)
QueryBuilder
{
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
"ON
"
+
cond
)
return
q
w
func
(
q
b
*
MySQLQueryBuilder
)
Where
(
cond
string
)
QueryBuilder
{
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"WHERE
"
+
cond
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
And
(
cond
string
)
QueryBuilder
{
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
"AND "
+
cond
)
return
q
w
func
(
q
b
*
MySQLQueryBuilder
)
And
(
cond
string
)
QueryBuilder
{
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"AND "
+
cond
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
Or
(
cond
string
)
QueryBuilder
{
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
"OR "
+
cond
)
return
q
w
func
(
q
b
*
MySQLQueryBuilder
)
Or
(
cond
string
)
QueryBuilder
{
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"OR "
+
cond
)
return
q
b
}
func
(
q
w
*
MySQLQueryBuilder
)
In
(
vals
...
string
)
QueryBuilder
{
func
(
q
b
*
MySQLQueryBuilder
)
In
(
vals
...
string
)
QueryBuilder
{
segment
:=
fmt
.
Sprintf
(
"IN (%s)"
,
strings
.
Join
(
vals
,
", "
))
q
w
.
QueryString
=
append
(
qw
.
QueryString
,
segment
)
return
q
w
q
b
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
segment
)
return
q
b
}
func
(
qw
*
MySQLQueryBuilder
)
Subquery
(
sub
string
,
alias
string
)
string
{
func
(
qb
*
MySQLQueryBuilder
)
OrderBy
(
fields
...
string
)
QueryBuilder
{
qb
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"ORDER BY "
+
strings
.
Join
(
fields
,
", "
))
return
qb
}
func
(
qb
*
MySQLQueryBuilder
)
Asc
()
QueryBuilder
{
qb
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"ASC"
)
return
qb
}
func
(
qb
*
MySQLQueryBuilder
)
Desc
()
QueryBuilder
{
qb
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"DESC"
)
return
qb
}
func
(
qb
*
MySQLQueryBuilder
)
Limit
(
limit
int
)
QueryBuilder
{
qb
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"LIMIT "
+
strconv
.
Itoa
(
limit
))
return
qb
}
func
(
qb
*
MySQLQueryBuilder
)
Offset
(
offset
int
)
QueryBuilder
{
qb
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"OFFSET "
+
strconv
.
Itoa
(
offset
))
return
qb
}
func
(
qb
*
MySQLQueryBuilder
)
GroupBy
(
fields
...
string
)
QueryBuilder
{
qb
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"GROUP BY "
+
strings
.
Join
(
fields
,
", "
))
return
qb
}
func
(
qb
*
MySQLQueryBuilder
)
Having
(
cond
string
)
QueryBuilder
{
qb
.
QueryTokens
=
append
(
qb
.
QueryTokens
,
"HAVING "
+
cond
)
return
qb
}
func
(
qb
*
MySQLQueryBuilder
)
Subquery
(
sub
string
,
alias
string
)
string
{
return
fmt
.
Sprintf
(
"(%s) AS %s"
,
sub
,
alias
)
}
func
(
q
w
*
MySQLQueryBuilder
)
String
()
string
{
return
strings
.
Join
(
q
w
.
QueryString
,
" "
)
func
(
q
b
*
MySQLQueryBuilder
)
String
()
string
{
return
strings
.
Join
(
q
b
.
QueryTokens
,
" "
)
}
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