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体验新版 GitCode,发现更多精彩内容 >>
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81ced1e0
编写于
5月 31, 1999
作者:
T
Tom Lane
浏览文件
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电子邮件补丁
差异文件
Generate a more specific error message when an operator used
in an index doesn't have a restriction selectivity estimator.
上级
cc384fa2
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
61 addition
and
5 deletion
+61
-5
src/backend/utils/adt/selfuncs.c
src/backend/utils/adt/selfuncs.c
+61
-5
未找到文件。
src/backend/utils/adt/selfuncs.c
浏览文件 @
81ced1e0
...
@@ -12,7 +12,7 @@
...
@@ -12,7 +12,7 @@
*
*
*
*
* IDENTIFICATION
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.2
8 1999/05/25 16:12:20 momjian
Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.2
9 1999/05/31 19:32:47 tgl
Exp $
*
*
*-------------------------------------------------------------------------
*-------------------------------------------------------------------------
*/
*/
...
@@ -404,7 +404,21 @@ btreesel(Oid operatorObjectId,
...
@@ -404,7 +404,21 @@ btreesel(Oid operatorObjectId,
}
}
else
else
{
{
result
=
(
float64
)
fmgr
(
get_oprrest
(
operatorObjectId
),
RegProcedure
oprrest
=
get_oprrest
(
operatorObjectId
);
/*
* Operators used for indexes should have selectivity estimators.
* (An alternative is to default to 0.5, as the optimizer does in
* dealing with operators occurring in WHERE clauses, but if you
* are going to the trouble of making index support you probably
* don't want to miss the benefits of a good selectivity estimate.)
*/
if
(
!
oprrest
)
elog
(
ERROR
,
"Operator %u must have a restriction selectivity estimator to be used in a btree index"
,
operatorObjectId
);
result
=
(
float64
)
fmgr
(
oprrest
,
(
char
*
)
operatorObjectId
,
(
char
*
)
operatorObjectId
,
(
char
*
)
indrelid
,
(
char
*
)
indrelid
,
(
char
*
)
(
int
)
attributeNumber
,
(
char
*
)
(
int
)
attributeNumber
,
...
@@ -449,7 +463,21 @@ btreenpage(Oid operatorObjectId,
...
@@ -449,7 +463,21 @@ btreenpage(Oid operatorObjectId,
}
}
else
else
{
{
temp
=
(
float64
)
fmgr
(
get_oprrest
(
operatorObjectId
),
RegProcedure
oprrest
=
get_oprrest
(
operatorObjectId
);
/*
* Operators used for indexes should have selectivity estimators.
* (An alternative is to default to 0.5, as the optimizer does in
* dealing with operators occurring in WHERE clauses, but if you
* are going to the trouble of making index support you probably
* don't want to miss the benefits of a good selectivity estimate.)
*/
if
(
!
oprrest
)
elog
(
ERROR
,
"Operator %u must have a restriction selectivity estimator to be used in a btree index"
,
operatorObjectId
);
temp
=
(
float64
)
fmgr
(
oprrest
,
(
char
*
)
operatorObjectId
,
(
char
*
)
operatorObjectId
,
(
char
*
)
indrelid
,
(
char
*
)
indrelid
,
(
char
*
)
(
int
)
attributeNumber
,
(
char
*
)
(
int
)
attributeNumber
,
...
@@ -514,7 +542,21 @@ hashsel(Oid operatorObjectId,
...
@@ -514,7 +542,21 @@ hashsel(Oid operatorObjectId,
}
}
else
else
{
{
result
=
(
float64
)
fmgr
(
get_oprrest
(
operatorObjectId
),
RegProcedure
oprrest
=
get_oprrest
(
operatorObjectId
);
/*
* Operators used for indexes should have selectivity estimators.
* (An alternative is to default to 0.5, as the optimizer does in
* dealing with operators occurring in WHERE clauses, but if you
* are going to the trouble of making index support you probably
* don't want to miss the benefits of a good selectivity estimate.)
*/
if
(
!
oprrest
)
elog
(
ERROR
,
"Operator %u must have a restriction selectivity estimator to be used in a hash index"
,
operatorObjectId
);
result
=
(
float64
)
fmgr
(
oprrest
,
(
char
*
)
operatorObjectId
,
(
char
*
)
operatorObjectId
,
(
char
*
)
indrelid
,
(
char
*
)
indrelid
,
(
char
*
)
(
int
)
attributeNumber
,
(
char
*
)
(
int
)
attributeNumber
,
...
@@ -578,7 +620,21 @@ hashnpage(Oid operatorObjectId,
...
@@ -578,7 +620,21 @@ hashnpage(Oid operatorObjectId,
}
}
else
else
{
{
temp
=
(
float64
)
fmgr
(
get_oprrest
(
operatorObjectId
),
RegProcedure
oprrest
=
get_oprrest
(
operatorObjectId
);
/*
* Operators used for indexes should have selectivity estimators.
* (An alternative is to default to 0.5, as the optimizer does in
* dealing with operators occurring in WHERE clauses, but if you
* are going to the trouble of making index support you probably
* don't want to miss the benefits of a good selectivity estimate.)
*/
if
(
!
oprrest
)
elog
(
ERROR
,
"Operator %u must have a restriction selectivity estimator to be used in a hash index"
,
operatorObjectId
);
temp
=
(
float64
)
fmgr
(
oprrest
,
(
char
*
)
operatorObjectId
,
(
char
*
)
operatorObjectId
,
(
char
*
)
indrelid
,
(
char
*
)
indrelid
,
(
char
*
)
(
int
)
attributeNumber
,
(
char
*
)
(
int
)
attributeNumber
,
...
...
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