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体验新版 GitCode,发现更多精彩内容 >>
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b1faf362
编写于
4月 23, 2005
作者:
T
Tom Lane
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电子邮件补丁
差异文件
Allow -2147483648 to be treated as an INT4 rather than INT8 constant.
Per discussion with Paul Edwards.
上级
d79eeef3
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
26 addition
and
9 deletion
+26
-9
src/backend/parser/parse_node.c
src/backend/parser/parse_node.c
+26
-9
未找到文件。
src/backend/parser/parse_node.c
浏览文件 @
b1faf362
...
...
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/parse_node.c,v 1.8
7 2004/12/31 22:00:27 pgsq
l Exp $
* $PostgreSQL: pgsql/src/backend/parser/parse_node.c,v 1.8
8 2005/04/23 18:35:12 tg
l Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -276,9 +276,9 @@ transformArraySubscripts(ParseState *pstate,
* Explicit "NULL" constants are also typed as UNKNOWN.
*
* For integers and floats we produce int4, int8, or numeric depending
* on the value of the number. XXX
This should includ
e int2 as well,
* but additional cleanup is needed before we can do that;
else cases
*
like "WHERE int4var = 42" will fail to be indexable
.
* on the value of the number. XXX
We should produc
e int2 as well,
* but additional cleanup is needed before we can do that;
there are
*
too many examples that fail if we try
.
*/
Const
*
make_const
(
Value
*
value
)
...
...
@@ -304,11 +304,28 @@ make_const(Value *value)
/* could be an oversize integer as well as a float ... */
if
(
scanint8
(
strVal
(
value
),
true
,
&
val64
))
{
val
=
Int64GetDatum
(
val64
);
typeid
=
INT8OID
;
typelen
=
sizeof
(
int64
);
typebyval
=
false
;
/* XXX might change someday */
/*
* It might actually fit in int32. Probably only INT_MIN can
* occur, but we'll code the test generally just to be sure.
*/
int32
val32
=
(
int32
)
val64
;
if
(
val64
==
(
int64
)
val32
)
{
val
=
Int32GetDatum
(
val32
);
typeid
=
INT4OID
;
typelen
=
sizeof
(
int32
);
typebyval
=
true
;
}
else
{
val
=
Int64GetDatum
(
val64
);
typeid
=
INT8OID
;
typelen
=
sizeof
(
int64
);
typebyval
=
false
;
/* XXX might change someday */
}
}
else
{
...
...
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