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体验新版 GitCode,发现更多精彩内容 >>
提交
c4ebf7b1
编写于
2月 13, 2003
作者:
T
Tom Lane
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Parser was dropping foreign-key constraints on the floor if present in
an ALTER TABLE ADD COLUMN command. Per bug #896.
上级
f4a72f77
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
13 addition
and
10 deletion
+13
-10
src/backend/parser/analyze.c
src/backend/parser/analyze.c
+13
-10
未找到文件。
src/backend/parser/analyze.c
浏览文件 @
c4ebf7b1
...
...
@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.26
3 2003/02/13 20:45:2
1 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.26
4 2003/02/13 22:50:0
1 tgl Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -111,7 +111,8 @@ static void transformTableConstraint(ParseState *pstate,
static
void
transformIndexConstraints
(
ParseState
*
pstate
,
CreateStmtContext
*
cxt
);
static
void
transformFKConstraints
(
ParseState
*
pstate
,
CreateStmtContext
*
cxt
);
CreateStmtContext
*
cxt
,
bool
isAddConstraint
);
static
void
applyColumnNames
(
List
*
dst
,
List
*
src
);
static
List
*
getSetColTypes
(
ParseState
*
pstate
,
Node
*
node
);
static
void
transformForUpdate
(
Query
*
qry
,
List
*
forUpdate
);
...
...
@@ -777,7 +778,7 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt,
/*
* Postprocess foreign-key constraints.
*/
transformFKConstraints
(
pstate
,
&
cxt
);
transformFKConstraints
(
pstate
,
&
cxt
,
false
);
/*
* Output results.
...
...
@@ -1287,7 +1288,8 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
}
static
void
transformFKConstraints
(
ParseState
*
pstate
,
CreateStmtContext
*
cxt
)
transformFKConstraints
(
ParseState
*
pstate
,
CreateStmtContext
*
cxt
,
bool
isAddConstraint
)
{
if
(
cxt
->
fkconstraints
==
NIL
)
return
;
...
...
@@ -1296,16 +1298,16 @@ transformFKConstraints(ParseState *pstate, CreateStmtContext *cxt)
cxt
->
stmtType
);
/*
* For ALTER TABLE ADD CONSTRAINT, nothing to do. For CREATE TABLE
,
*
gin up an ALTER TABLE ADD CONSTRAINT command to execute after
* t
he basic CREATE TABLE
is complete.
* For ALTER TABLE ADD CONSTRAINT, nothing to do. For CREATE TABLE
or
*
ALTER TABLE ADD COLUMN, gin up an ALTER TABLE ADD CONSTRAINT command
* t
o execute after the basic command
is complete.
*
* Note: the ADD CONSTRAINT command must also execute after any index
* creation commands. Thus, this should run after
* transformIndexConstraints, so that the CREATE INDEX commands are
* already in cxt->alist.
*/
if
(
strcmp
(
cxt
->
stmtType
,
"CREATE TABLE"
)
==
0
)
if
(
!
isAddConstraint
)
{
AlterTableStmt
*
alterstmt
=
makeNode
(
AlterTableStmt
);
List
*
fkclist
;
...
...
@@ -2257,7 +2259,7 @@ transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt,
(
ColumnDef
*
)
stmt
->
def
);
transformIndexConstraints
(
pstate
,
&
cxt
);
transformFKConstraints
(
pstate
,
&
cxt
);
transformFKConstraints
(
pstate
,
&
cxt
,
false
);
((
ColumnDef
*
)
stmt
->
def
)
->
constraints
=
cxt
.
ckconstraints
;
*
extras_before
=
nconc
(
*
extras_before
,
cxt
.
blist
);
...
...
@@ -2294,9 +2296,10 @@ transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt,
elog
(
ERROR
,
"Unexpected node type in ALTER TABLE ADD CONSTRAINT"
);
transformIndexConstraints
(
pstate
,
&
cxt
);
transformFKConstraints
(
pstate
,
&
cxt
);
transformFKConstraints
(
pstate
,
&
cxt
,
true
);
Assert
(
cxt
.
columns
==
NIL
);
/* fkconstraints should be put into my own stmt in this case */
stmt
->
def
=
(
Node
*
)
nconc
(
cxt
.
ckconstraints
,
cxt
.
fkconstraints
);
*
extras_before
=
nconc
(
*
extras_before
,
cxt
.
blist
);
*
extras_after
=
nconc
(
cxt
.
alist
,
*
extras_after
);
...
...
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