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Administrator
h2database
Commits
f3ac8c41
提交
f3ac8c41
authored
2月 08, 2018
作者:
thomasmueller
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145b71b5
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正在显示
7 个修改的文件
包含
73 行增加
和
45 行删除
+73
-45
changelog.html
h2/src/docsrc/html/changelog.html
+29
-29
Aggregate.java
h2/src/main/org/h2/expression/Aggregate.java
+1
-1
AggregateDataMedian.java
h2/src/main/org/h2/expression/AggregateDataMedian.java
+21
-11
ConditionInParameter.java
h2/src/main/org/h2/expression/ConditionInParameter.java
+1
-1
AbstractBaseForCommonTableExpressions.java
...org/h2/test/db/AbstractBaseForCommonTableExpressions.java
+14
-1
TestDateTimeUtils.java
h2/src/test/org/h2/test/unit/TestDateTimeUtils.java
+4
-2
dictionary.txt
h2/src/tools/org/h2/build/doc/dictionary.txt
+3
-0
没有找到文件。
h2/src/docsrc/html/changelog.html
浏览文件 @
f3ac8c41
h2/src/main/org/h2/expression/Aggregate.java
浏览文件 @
f3ac8c41
...
...
@@ -311,7 +311,7 @@ public class Aggregate extends Expression {
return
v
;
}
case
MEDIAN:
{
return
AggregateDataMedian
.
getFromIndex
(
session
,
on
,
dataType
);
return
AggregateDataMedian
.
get
Result
FromIndex
(
session
,
on
,
dataType
);
}
default
:
DbException
.
throwInternalError
(
"type="
+
type
);
...
...
h2/src/main/org/h2/expression/AggregateDataMedian.java
浏览文件 @
f3ac8c41
...
...
@@ -49,6 +49,12 @@ class AggregateDataMedian extends AggregateData {
||
(
sortType
&
SortOrder
.
DESCENDING
)
!=
0
&&
(
sortType
&
SortOrder
.
NULLS_FIRST
)
==
0
;
}
/**
* Get the index (if any) for the column specified in the median aggregate.
*
* @param on the expression (usually a column expression)
* @return the index, or null
*/
static
Index
getMedianColumnIndex
(
Expression
on
)
{
if
(
on
instanceof
ExpressionColumn
)
{
ExpressionColumn
col
=
(
ExpressionColumn
)
on
;
...
...
@@ -68,8 +74,8 @@ class AggregateDataMedian extends AggregateData {
if
(!
index
.
isFirstColumn
(
column
))
{
continue
;
}
if
(
result
==
null
||
result
.
getColumns
().
length
>
index
.
getColumns
().
length
// Prefer index without nulls last for nullable columns
if
(
result
==
null
||
result
.
getColumns
().
length
>
index
.
getColumns
().
length
||
nullable
&&
isNullsLast
(
result
)
&&
!
isNullsLast
(
index
))
{
result
=
index
;
}
...
...
@@ -81,7 +87,15 @@ class AggregateDataMedian extends AggregateData {
return
null
;
}
static
Value
getFromIndex
(
Session
session
,
Expression
on
,
int
dataType
)
{
/**
* Get the result from the index.
*
* @param session the session
* @param on the expression
* @param dataType the data type
* @return the result
*/
static
Value
getResultFromIndex
(
Session
session
,
Expression
on
,
int
dataType
)
{
Index
index
=
getMedianColumnIndex
(
on
);
long
count
=
index
.
getRowCount
(
session
);
if
(
count
==
0
)
{
...
...
@@ -94,10 +108,8 @@ class AggregateDataMedian extends AggregateData {
if
(
expr
.
getColumn
().
isNullable
())
{
boolean
hasNulls
=
false
;
SearchRow
row
;
/*
* Try to skip nulls from the start first with the same cursor that will be used
* to read values.
*/
// Try to skip nulls from the start first with the same cursor that
// will be used to read values.
while
(
count
>
0
)
{
row
=
cursor
.
getSearchRow
();
if
(
row
==
null
)
{
...
...
@@ -113,10 +125,8 @@ class AggregateDataMedian extends AggregateData {
if
(
count
==
0
)
{
return
ValueNull
.
INSTANCE
;
}
/*
* If no nulls found and if index orders nulls last create a second cursor to
* count nulls at the end.
*/
// If no nulls found and if index orders nulls last create a second
// cursor to count nulls at the end.
if
(!
hasNulls
&&
isNullsLast
(
index
))
{
TableFilter
tableFilter
=
expr
.
getTableFilter
();
SearchRow
check
=
tableFilter
.
getTable
().
getTemplateSimpleRow
(
true
);
...
...
@@ -196,7 +206,7 @@ class AggregateDataMedian extends AggregateData {
return
getMedian
(
a
[
idx
-
1
],
v1
,
dataType
,
mode
);
}
static
Value
getMedian
(
Value
v0
,
Value
v1
,
int
dataType
,
CompareMode
mode
)
{
private
static
Value
getMedian
(
Value
v0
,
Value
v1
,
int
dataType
,
CompareMode
mode
)
{
if
(
v0
.
compareTo
(
v1
,
mode
)
==
0
)
{
return
v0
.
convertTo
(
dataType
);
}
...
...
h2/src/main/org/h2/expression/ConditionInParameter.java
浏览文件 @
f3ac8c41
...
...
@@ -57,7 +57,7 @@ public class ConditionInParameter extends Condition {
private
Expression
left
;
final
Parameter
parameter
;
private
final
Parameter
parameter
;
/**
* Create a new {@code = ANY(?)} condition.
...
...
h2/src/test/org/h2/test/db/AbstractBaseForCommonTableExpressions.java
浏览文件 @
f3ac8c41
...
...
@@ -17,7 +17,20 @@ import org.h2.test.TestBase;
*/
public
abstract
class
AbstractBaseForCommonTableExpressions
extends
TestBase
{
protected
void
testRepeatedQueryWithSetup
(
int
maxRetries
,
String
[]
expectedRowData
,
String
[]
expectedColumnNames
,
/**
* Test a query.
*
* @param maxRetries the number of times the query is run
* @param expectedRowData the expected result data
* @param expectedColumnNames the expected columns of the result
* @param expectedNumberOfRows the expected number of rows
* @param setupSQL the SQL statement used for setup
* @param withQuery the query
* @param closeAndReopenDatabaseConnectionOnIteration whether the connection
* should be re-opened each time
* @param expectedColumnTypes the expected datatypes of the result
*/
void
testRepeatedQueryWithSetup
(
int
maxRetries
,
String
[]
expectedRowData
,
String
[]
expectedColumnNames
,
int
expectedNumberOfRows
,
String
setupSQL
,
String
withQuery
,
int
closeAndReopenDatabaseConnectionOnIteration
,
String
[]
expectedColumnTypes
)
throws
SQLException
{
...
...
h2/src/test/org/h2/test/unit/TestDateTimeUtils.java
浏览文件 @
f3ac8c41
...
...
@@ -63,7 +63,8 @@ public class TestDateTimeUtils extends TestBase {
int
isoDow
=
(
dow
+
5
)
%
7
+
1
;
assertEquals
(
isoDow
,
DateTimeUtils
.
getIsoDayOfWeek
(
dateValue
));
assertEquals
(
gc
.
get
(
Calendar
.
WEEK_OF_YEAR
),
DateTimeUtils
.
getWeekOfYear
(
dateValue
,
gc
.
getFirstDayOfWeek
()
-
1
,
gc
.
getMinimalDaysInFirstWeek
()));
DateTimeUtils
.
getWeekOfYear
(
dateValue
,
gc
.
getFirstDayOfWeek
()
-
1
,
gc
.
getMinimalDaysInFirstWeek
()));
}
}
...
...
@@ -83,7 +84,8 @@ public class TestDateTimeUtils extends TestBase {
gc
.
clear
();
gc
.
setTimeInMillis
(
i
*
86400000L
);
assertEquals
(
gc
.
get
(
Calendar
.
DAY_OF_YEAR
),
DateTimeUtils
.
getDayOfYear
(
dateValue
));
assertEquals
(
gc
.
get
(
Calendar
.
WEEK_OF_YEAR
),
DateTimeUtils
.
getWeekOfYear
(
dateValue
,
firstDay
-
1
,
minimalDays
));
assertEquals
(
gc
.
get
(
Calendar
.
WEEK_OF_YEAR
),
DateTimeUtils
.
getWeekOfYear
(
dateValue
,
firstDay
-
1
,
minimalDays
));
assertEquals
(
gc
.
getWeekYear
(),
DateTimeUtils
.
getWeekYear
(
dateValue
,
firstDay
-
1
,
minimalDays
));
}
}
...
...
h2/src/tools/org/h2/build/doc/dictionary.txt
浏览文件 @
f3ac8c41
...
...
@@ -763,3 +763,6 @@ assorted reimplemented hangups confirmation predefined
mdy destfile hclf forbids spellchecking selfdestruct expects accident jacocoagent cli historic mitigate
jacoco xdata invokes sourcefiles classfiles duplication crypto stacktraces prt directions handled overly asm hardcoded
interpolated thead
die weekdiff osx subprocess dow proleptic
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