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h2database
Commits
9042e61e
提交
9042e61e
authored
12月 15, 2018
作者:
Evgenij Ryazanov
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差异文件
Parse ALL in aggregates
上级
7d843c06
显示空白字符变更
内嵌
并排
正在显示
3 个修改的文件
包含
32 行增加
和
15 行删除
+32
-15
help.csv
h2/src/docsrc/help/help.csv
+10
-10
Parser.java
h2/src/main/org/h2/command/Parser.java
+13
-5
sum.sql
h2/src/test/org/h2/test/scripts/functions/aggregate/sum.sql
+9
-0
没有找到文件。
h2/src/docsrc/help/help.csv
浏览文件 @
9042e61e
...
...
@@ -3418,7 +3418,7 @@ INTERVAL MINUTE TO SECOND
"
"Functions (Aggregate)","AVG","
AVG ( [ DISTINCT ] { numeric } )
AVG ( [ DISTINCT
|ALL
] { numeric } )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The average (mean) value.
...
...
@@ -3474,7 +3474,7 @@ ANY(NAME LIKE 'W%')
"
"Functions (Aggregate)","COUNT","
COUNT( { * | { [ DISTINCT ] expression } } )
COUNT( { * | { [ DISTINCT
|ALL
] expression } } )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The count of all row, or of the non-null values.
...
...
@@ -3486,7 +3486,7 @@ COUNT(*)
"
"Functions (Aggregate)","GROUP_CONCAT","
GROUP_CONCAT ( [ DISTINCT ] string
GROUP_CONCAT ( [ DISTINCT
|ALL
] string
[ ORDER BY { expression [ ASC | DESC ] } [,...] ]
[ SEPARATOR expression ] )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
...
...
@@ -3501,7 +3501,7 @@ GROUP_CONCAT(NAME ORDER BY ID SEPARATOR ', ')
"
"Functions (Aggregate)","ARRAY_AGG","
ARRAY_AGG ( [ DISTINCT ] string
ARRAY_AGG ( [ DISTINCT
|ALL
] string
[ ORDER BY { expression [ ASC | DESC ] } [,...] ] )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
...
...
@@ -3538,7 +3538,7 @@ MIN(NAME)
"
"Functions (Aggregate)","SUM","
SUM( [ DISTINCT ] { numeric } )
SUM( [ DISTINCT
|ALL
] { numeric } )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The sum of all values.
...
...
@@ -3564,7 +3564,7 @@ SELECT SELECTIVITY(FIRSTNAME), SELECTIVITY(NAME) FROM TEST WHERE ROWNUM()<20000
"
"Functions (Aggregate)","STDDEV_POP","
STDDEV_POP( [ DISTINCT ] numeric )
STDDEV_POP( [ DISTINCT
|ALL
] numeric )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The population standard deviation.
...
...
@@ -3576,7 +3576,7 @@ STDDEV_POP(X)
"
"Functions (Aggregate)","STDDEV_SAMP","
STDDEV_SAMP( [ DISTINCT ] numeric )
STDDEV_SAMP( [ DISTINCT
|ALL
] numeric )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The sample standard deviation.
...
...
@@ -3588,7 +3588,7 @@ STDDEV(X)
"
"Functions (Aggregate)","VAR_POP","
VAR_POP( [ DISTINCT ] numeric )
VAR_POP( [ DISTINCT
|ALL
] numeric )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The population variance (square of the population standard deviation).
...
...
@@ -3600,7 +3600,7 @@ VAR_POP(X)
"
"Functions (Aggregate)","VAR_SAMP","
VAR_SAMP( [ DISTINCT ] numeric )
VAR_SAMP( [ DISTINCT
|ALL
] numeric )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The sample variance (square of the sample standard deviation).
...
...
@@ -3612,7 +3612,7 @@ VAR_SAMP(X)
"
"Functions (Aggregate)","MEDIAN","
MEDIAN( [ DISTINCT ] value )
MEDIAN( [ DISTINCT
|ALL
] value )
[FILTER (WHERE expression)] [OVER windowNameOrSpecification]
","
The value separating the higher half of a values from the lower half.
...
...
h2/src/main/org/h2/command/Parser.java
浏览文件 @
9042e61e
...
...
@@ -2949,7 +2949,7 @@ public class Parser {
if
(
readIf
(
ASTERISK
))
{
r
=
new
Aggregate
(
AggregateType
.
COUNT_ALL
,
null
,
currentSelect
,
false
);
}
else
{
boolean
distinct
=
read
If
(
DISTINCT
);
boolean
distinct
=
read
DistinctAgg
(
);
Expression
on
=
readExpression
();
if
(
on
instanceof
Wildcard
&&
!
distinct
)
{
// PostgreSQL compatibility: count(t.*)
...
...
@@ -2960,7 +2960,7 @@ public class Parser {
}
break
;
case
GROUP_CONCAT:
{
boolean
distinct
=
read
If
(
DISTINCT
);
boolean
distinct
=
read
DistinctAgg
(
);
if
(
equalsToken
(
"GROUP_CONCAT"
,
aggregateName
))
{
r
=
new
Aggregate
(
AggregateType
.
GROUP_CONCAT
,
readExpression
(),
currentSelect
,
distinct
);
if
(
readIf
(
ORDER
))
{
...
...
@@ -2985,7 +2985,7 @@ public class Parser {
break
;
}
case
ARRAY_AGG:
{
boolean
distinct
=
read
If
(
DISTINCT
);
boolean
distinct
=
read
DistinctAgg
(
);
r
=
new
Aggregate
(
AggregateType
.
ARRAY_AGG
,
readExpression
(),
currentSelect
,
distinct
);
if
(
readIf
(
ORDER
))
{
read
(
"BY"
);
...
...
@@ -3020,7 +3020,7 @@ public class Parser {
break
;
}
default
:
boolean
distinct
=
read
If
(
DISTINCT
);
boolean
distinct
=
read
DistinctAgg
(
);
r
=
new
Aggregate
(
aggregateType
,
readExpression
(),
currentSelect
,
distinct
);
break
;
}
...
...
@@ -3078,7 +3078,7 @@ public class Parser {
}
private
JavaAggregate
readJavaAggregate
(
UserAggregate
aggregate
)
{
boolean
distinct
=
read
If
(
DISTINCT
);
boolean
distinct
=
read
DistinctAgg
(
);
ArrayList
<
Expression
>
params
=
Utils
.
newSmallArrayList
();
do
{
params
.
add
(
readExpression
());
...
...
@@ -3089,6 +3089,14 @@ public class Parser {
return
agg
;
}
private
boolean
readDistinctAgg
()
{
if
(
readIf
(
DISTINCT
))
{
return
true
;
}
readIf
(
ALL
);
return
false
;
}
private
void
readFilterAndOver
(
AbstractAggregate
aggregate
)
{
if
(
readIf
(
"FILTER"
))
{
read
(
OPEN_PAREN
);
...
...
h2/src/test/org/h2/test/scripts/functions/aggregate/sum.sql
浏览文件 @
9042e61e
...
...
@@ -26,6 +26,15 @@ select sum(v), sum(v) filter (where v >= 4) from test where v <= 10;
>
55
49
>
rows
:
1
insert
into
test
values
(
1
),
(
2
),
(
8
);
>
update
count
:
3
select
sum
(
v
),
sum
(
all
v
),
sum
(
distinct
v
)
from
test
;
>
SUM
(
V
)
SUM
(
V
)
SUM
(
DISTINCT
V
)
>
------ ------ ---------------
>
89
89
78
>
rows
:
1
drop
table
test
;
>
ok
...
...
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