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aa601bff
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Dapper
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体验新版 GitCode,发现更多精彩内容 >>
提交
aa601bff
编写于
4月 26, 2011
作者:
S
Sam Saffron
浏览文件
操作
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差异文件
merge
上级
e11257fd
182e98a5
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
36 addition
and
39 deletion
+36
-39
Dapper/SqlMapper.cs
Dapper/SqlMapper.cs
+36
-39
未找到文件。
Dapper/SqlMapper.cs
浏览文件 @
aa601bff
...
...
@@ -178,19 +178,22 @@ private static IEnumerable<T> QueryInternal<T>(this IDbConnection cnn, string sq
var
identity
=
new
Identity
(
sql
,
cnn
,
typeof
(
T
),
param
==
null
?
null
:
param
.
GetType
());
var
info
=
GetCacheInfo
(
param
,
identity
);
using
(
var
reader
=
GetReader
(
cnn
,
transaction
,
sql
,
info
.
ParamReader
,
param
))
using
(
var
cmd
=
SetupCommand
(
cnn
,
transaction
,
sql
,
info
.
ParamReader
,
param
))
{
if
(
info
.
Deserializer
==
null
)
{
info
.
Deserializer
=
GetDeserializer
<
T
>(
identity
,
reader
);
queryCache
[
identity
]
=
info
;
}
using
(
var
reader
=
cmd
.
ExecuteReader
())
{
if
(
info
.
Deserializer
==
null
)
{
info
.
Deserializer
=
GetDeserializer
<
T
>(
identity
,
reader
);
queryCache
[
identity
]
=
info
;
}
var
deserializer
=
(
Func
<
IDataReader
,
T
>)
info
.
Deserializer
;
var
deserializer
=
(
Func
<
IDataReader
,
T
>)
info
.
Deserializer
;
while
(
reader
.
Read
())
{
yield
return
deserializer
(
reader
);
while
(
reader
.
Read
())
{
yield
return
deserializer
(
reader
);
}
}
}
}
...
...
@@ -212,20 +215,22 @@ private static IEnumerable<T> QueryInternal<T>(this IDbConnection cnn, string sq
var
identity
=
new
Identity
(
sql
,
cnn
,
typeof
(
T
),
param
==
null
?
null
:
param
.
GetType
());
var
info
=
GetCacheInfo
(
param
,
identity
);
using
(
var
reader
=
GetReader
(
cnn
,
transaction
,
sql
,
info
.
ParamReader
,
param
))
using
(
var
cmd
=
SetupCommand
(
cnn
,
transaction
,
sql
,
info
.
ParamReader
,
param
))
{
if
(
info
.
Deserializer
==
null
)
using
(
var
reader
=
cmd
.
ExecuteReader
()
)
{
int
start
=
0
;
int
length
=
-
1
;
for
(
length
=
1
;
length
<
reader
.
FieldCount
;
length
++)
if
(
info
.
Deserializer
==
null
)
{
if
(
reader
.
GetName
(
length
)
==
splitOn
)
int
start
=
0
;
int
length
=
-
1
;
for
(
length
=
1
;
length
<
reader
.
FieldCount
;
length
++)
{
break
;
if
(
reader
.
GetName
(
length
)
==
splitOn
)
{
break
;
}
}
}
// dynamic comes back as object ...
if
(
typeof
(
T
)
==
typeof
(
object
))
...
...
@@ -246,17 +251,18 @@ private static IEnumerable<T> QueryInternal<T>(this IDbConnection cnn, string sq
info
.
Deserializer2
=
GetDeserializer
<
U
>(
identity
,
reader
,
start
+
length
,
returnNullIfFirstMissing
:
true
);
}
queryCache
[
identity
]
=
info
;
}
queryCache
[
identity
]
=
info
;
}
var
deserializer
=
(
Func
<
IDataReader
,
T
>)
info
.
Deserializer
;
var
deserializer2
=
(
Func
<
IDataReader
,
U
>)
info
.
Deserializer2
;
var
deserializer
=
(
Func
<
IDataReader
,
T
>)
info
.
Deserializer
;
var
deserializer2
=
(
Func
<
IDataReader
,
U
>)
info
.
Deserializer2
;
while
(
reader
.
Read
())
{
var
tmp
=
deserializer
(
reader
);
map
(
tmp
,
deserializer2
(
reader
));
yield
return
tmp
;
while
(
reader
.
Read
())
{
var
tmp
=
deserializer
(
reader
);
map
(
tmp
,
deserializer2
(
reader
));
yield
return
tmp
;
}
}
}
}
...
...
@@ -504,11 +510,11 @@ public static void PackListParameters(IDbCommand command, string namePrefix, obj
return
(
Action
<
IDbCommand
,
object
>)
dm
.
CreateDelegate
(
typeof
(
Action
<
IDbCommand
,
object
>));
}
private
static
IDbCommand
SetupCommand
(
IDbConnection
cnn
,
IDbTransaction
tranaction
,
string
sql
,
Action
<
IDbCommand
,
object
>
paramReader
,
object
obj
)
private
static
IDbCommand
SetupCommand
(
IDbConnection
cnn
,
IDbTransaction
tran
s
action
,
string
sql
,
Action
<
IDbCommand
,
object
>
paramReader
,
object
obj
)
{
var
cmd
=
cnn
.
CreateCommand
();
cmd
.
Transaction
=
tranaction
;
cmd
.
Transaction
=
tran
s
action
;
cmd
.
CommandText
=
sql
;
if
(
paramReader
!=
null
)
{
...
...
@@ -526,15 +532,6 @@ private static int ExecuteCommand(IDbConnection cnn, IDbTransaction tranaction,
}
}
private
static
IDataReader
GetReader
(
IDbConnection
cnn
,
IDbTransaction
tranaction
,
string
sql
,
Action
<
IDbCommand
,
object
>
paramReader
,
object
obj
)
{
using
(
var
cmd
=
SetupCommand
(
cnn
,
tranaction
,
sql
,
paramReader
,
obj
))
{
return
cmd
.
ExecuteReader
();
}
}
private
static
object
GetStructDeserializer
<
T
>(
IDataReader
reader
)
{
Func
<
IDataReader
,
T
>
deserializer
=
null
;
...
...
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