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体验新版 GitCode,发现更多精彩内容 >>
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283e18ab
编写于
9月 01, 1997
作者:
V
Vadim B. Mikheev
浏览文件
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电子邮件补丁
差异文件
BEFORE/AFTER ROW INSERT/DELETE/UPDATE triggers startup.
上级
8c798538
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
69 addition
and
3 deletion
+69
-3
src/backend/executor/execMain.c
src/backend/executor/execMain.c
+69
-3
未找到文件。
src/backend/executor/execMain.c
浏览文件 @
283e18ab
...
...
@@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.2
0 1997/08/27 09:02:24
vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.2
1 1997/09/01 08:01:46
vadim Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -51,6 +51,7 @@
#include "optimizer/var.h"
#include "access/heapam.h"
#include "catalog/heap.h"
#include "commands/trigger.h"
...
...
@@ -917,7 +918,26 @@ ExecAppend(TupleTableSlot *slot,
* cim -12/1/89
* ----------------
*/
/* BEFORE ROW INSERT Triggers */
if
(
resultRelationDesc
->
trigdesc
&&
resultRelationDesc
->
trigdesc
->
n_before_row
[
TRIGGER_ACTION_INSERT
]
>
0
)
{
HeapTuple
newtuple
;
newtuple
=
ExecBRInsertTriggers
(
resultRelationDesc
,
tuple
);
if
(
newtuple
==
NULL
)
/* "do nothing" */
return
;
if
(
newtuple
!=
tuple
)
/* modified by Trigger(s) */
{
Assert
(
slot
->
ttc_shouldFree
);
pfree
(
tuple
);
slot
->
val
=
tuple
=
newtuple
;
}
}
/* ----------------
* Check the constraints of a tuple
* ----------------
...
...
@@ -959,6 +979,11 @@ ExecAppend(TupleTableSlot *slot,
}
(
estate
->
es_processed
)
++
;
estate
->
es_lastoid
=
newId
;
/* AFTER ROW INSERT Triggers */
if
(
resultRelationDesc
->
trigdesc
&&
resultRelationDesc
->
trigdesc
->
n_after_row
[
TRIGGER_ACTION_INSERT
]
>
0
)
ExecARInsertTriggers
(
resultRelationDesc
,
tuple
);
}
/* ----------------------------------------------------------------
...
...
@@ -982,7 +1007,19 @@ ExecDelete(TupleTableSlot *slot,
*/
resultRelationInfo
=
estate
->
es_result_relation_info
;
resultRelationDesc
=
resultRelationInfo
->
ri_RelationDesc
;
/* BEFORE ROW DELETE Triggers */
if
(
resultRelationDesc
->
trigdesc
&&
resultRelationDesc
->
trigdesc
->
n_before_row
[
TRIGGER_ACTION_DELETE
]
>
0
)
{
bool
dodelete
;
dodelete
=
ExecBRDeleteTriggers
(
resultRelationDesc
,
tupleid
);
if
(
!
dodelete
)
/* "do nothing" */
return
;
}
/* ----------------
* delete the tuple
* ----------------
...
...
@@ -1005,6 +1042,11 @@ ExecDelete(TupleTableSlot *slot,
* when it finds deleted heap tuples. -cim 9/27/89
* ----------------
*/
/* AFTER ROW DELETE Triggers */
if
(
resultRelationDesc
->
trigdesc
&&
resultRelationDesc
->
trigdesc
->
n_after_row
[
TRIGGER_ACTION_DELETE
]
>
0
)
ExecARDeleteTriggers
(
resultRelationDesc
,
tupleid
);
}
...
...
@@ -1059,6 +1101,25 @@ ExecReplace(TupleTableSlot *slot,
* cim -12/1/89
* ----------------
*/
/* BEFORE ROW UPDATE Triggers */
if
(
resultRelationDesc
->
trigdesc
&&
resultRelationDesc
->
trigdesc
->
n_before_row
[
TRIGGER_ACTION_UPDATE
]
>
0
)
{
HeapTuple
newtuple
;
newtuple
=
ExecBRUpdateTriggers
(
resultRelationDesc
,
tupleid
,
tuple
);
if
(
newtuple
==
NULL
)
/* "do nothing" */
return
;
if
(
newtuple
!=
tuple
)
/* modified by Trigger(s) */
{
Assert
(
slot
->
ttc_shouldFree
);
pfree
(
tuple
);
slot
->
val
=
tuple
=
newtuple
;
}
}
/* ----------------
* Check the constraints of a tuple
...
...
@@ -1122,6 +1183,11 @@ ExecReplace(TupleTableSlot *slot,
if
(
numIndices
>
0
)
{
ExecInsertIndexTuples
(
slot
,
&
(
tuple
->
t_ctid
),
estate
,
true
);
}
/* AFTER ROW UPDATE Triggers */
if
(
resultRelationDesc
->
trigdesc
&&
resultRelationDesc
->
trigdesc
->
n_after_row
[
TRIGGER_ACTION_UPDATE
]
>
0
)
ExecARUpdateTriggers
(
resultRelationDesc
,
tupleid
,
tuple
);
}
static
HeapTuple
...
...
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