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Administrator
h2database
Commits
39882408
提交
39882408
authored
2月 05, 2018
作者:
Evgenij Ryazanov
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差异文件
Add MEDIAN to help.csv and update initial capacity of Aggregate.AGGREGATES
上级
13796c1a
显示空白字符变更
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正在显示
2 个修改的文件
包含
16 行增加
和
3 行删除
+16
-3
help.csv
h2/src/docsrc/help/help.csv
+15
-2
Aggregate.java
h2/src/main/org/h2/expression/Aggregate.java
+1
-1
没有找到文件。
h2/src/docsrc/help/help.csv
浏览文件 @
39882408
...
@@ -498,7 +498,7 @@ qualified class name. The class must implement the interface
...
@@ -498,7 +498,7 @@ qualified class name. The class must implement the interface
Admin rights are required to execute this command.
Admin rights are required to execute this command.
This command commits an open transaction in this connection.
This command commits an open transaction in this connection.
","
","
CREATE AGGREGATE MEDIAN FOR ""com.acme.db.Median""
CREATE AGGREGATE
SIMPLE_
MEDIAN FOR ""com.acme.db.Median""
"
"
"Commands (DDL)","CREATE ALIAS","
"Commands (DDL)","CREATE ALIAS","
...
@@ -821,7 +821,7 @@ Drops an existing user-defined aggregate function.
...
@@ -821,7 +821,7 @@ Drops an existing user-defined aggregate function.
Admin rights are required to execute this command.
Admin rights are required to execute this command.
This command commits an open transaction in this connection.
This command commits an open transaction in this connection.
","
","
DROP AGGREGATE MEDIAN
DROP AGGREGATE
SIMPLE_
MEDIAN
"
"
"Commands (DDL)","DROP ALIAS","
"Commands (DDL)","DROP ALIAS","
...
@@ -2801,6 +2801,19 @@ Aggregates are only allowed in select statements.
...
@@ -2801,6 +2801,19 @@ Aggregates are only allowed in select statements.
VAR_SAMP(X)
VAR_SAMP(X)
"
"
"Functions (Aggregate)","MEDIAN","
MEDIAN( [ DISTINCT ] value )
","
The value separating the higher half of a values from the lower half.
Returns the middle value or an interpolated value between two middle values if number of values is even.
Interpolation is only supported for numeric, date, and time data types.
NULL values are ignored in the calculation.
If no rows are selected, the result is NULL.
Aggregates are only allowed in select statements.
","
MEDIAN(X)
"
"Functions (Numeric)","ABS","
"Functions (Numeric)","ABS","
ABS ( { numeric } )
ABS ( { numeric } )
","
","
...
...
h2/src/main/org/h2/expression/Aggregate.java
浏览文件 @
39882408
...
@@ -131,7 +131,7 @@ public class Aggregate extends Expression {
...
@@ -131,7 +131,7 @@ public class Aggregate extends Expression {
MEDIAN
MEDIAN
}
}
private
static
final
HashMap
<
String
,
AggregateType
>
AGGREGATES
=
new
HashMap
<>(
2
4
);
private
static
final
HashMap
<
String
,
AggregateType
>
AGGREGATES
=
new
HashMap
<>(
2
5
);
private
final
AggregateType
type
;
private
final
AggregateType
type
;
private
final
Select
select
;
private
final
Select
select
;
...
...
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