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体验新版 GitCode,发现更多精彩内容 >>
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757b98fd
编写于
10月 19, 2002
作者:
B
Bruce Momjian
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电子邮件补丁
差异文件
Back out Alvaro's patch until regression tests pass.
上级
c0f7dcda
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
7 addition
and
38 deletion
+7
-38
src/backend/commands/tablecmds.c
src/backend/commands/tablecmds.c
+7
-38
未找到文件。
src/backend/commands/tablecmds.c
浏览文件 @
757b98fd
...
...
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/tablecmds.c,v 1.4
7 2002/10/19 02:25:51
momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/tablecmds.c,v 1.4
8 2002/10/19 03:01:09
momjian Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -1643,53 +1643,22 @@ AlterTableAddColumn(Oid myrelid,
colDefChild
->
inhcount
=
1
;
colDefChild
->
is_local
=
false
;
/*
we only need direct inheritors
*/
children
=
find_
inheritance_children
(
myrelid
);
/*
this routine is actually in the planner
*/
children
=
find_
all_inheritors
(
myrelid
);
/*
* If the child has a column with same name and type,
* increment its attinhcount and continue. If it has
* different type, abort. If it doesn't have a column
* with the same name, add it.
* find_all_inheritors does the recursive search of the
* inheritance hierarchy, so all we have to do is process all of
* the relids in the list that it returns.
*/
foreach
(
child
,
children
)
{
Oid
childrelid
=
lfirsti
(
child
);
HeapTuple
tuple
;
Form_pg_attribute
childatt
;
if
(
childrelid
==
myrelid
)
continue
;
attrdesc
=
heap_openr
(
AttributeRelationName
,
RowExclusiveLock
);
tuple
=
SearchSysCacheCopyAttName
(
childrelid
,
colDef
->
colname
);
if
(
!
HeapTupleIsValid
(
tuple
))
{
heap_close
(
attrdesc
,
RowExclusiveLock
);
AlterTableAddColumn
(
childrelid
,
false
,
true
,
colDefChild
);
continue
;
}
childatt
=
(
Form_pg_attribute
)
GETSTRUCT
(
tuple
);
typeTuple
=
typenameType
(
colDef
->
typename
);
tform
=
(
Form_pg_type
)
GETSTRUCT
(
typeTuple
);
if
(
HeapTupleGetOid
(
typeTuple
)
!=
childatt
->
atttypid
||
colDef
->
typename
->
typmod
!=
childatt
->
atttypmod
)
elog
(
ERROR
,
"ALTER TABLE: child table %u has different "
"type for column
\"
%s
\"
"
,
childrelid
,
colDef
->
colname
);
childatt
->
attinhcount
++
;
simple_heap_update
(
attrdesc
,
&
tuple
->
t_self
,
tuple
);
CatalogUpdateIndexes
(
attrdesc
,
tuple
);
elog
(
NOTICE
,
"ALTER TABLE: merging definition of column "
"
\"
%s
\"
for child %u"
,
colDef
->
colname
,
childrelid
);
heap_close
(
attrdesc
,
RowExclusiveLock
);
heap_freetuple
(
tuple
);
ReleaseSysCache
(
typeTuple
);
AlterTableAddColumn
(
childrelid
,
false
,
true
,
colDefChild
);
}
}
else
...
...
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