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h2/src/docsrc/html/changelog.html
浏览文件 @ f3ac8c41
......@@ -35,55 +35,55 @@ Change Log
</li>
<li>PR #798: Add partial support of DATE, TIME, and TIMESTAMP data types to PgServer
</li>
<li>PR #799: Use result of ArrayList.remove()
<li>PR #799: Use result of ArrayList.remove()
</li>
<li>PR #797: Add ceilingKey() and floorKey() to TransactionMap (version 2)
<li>PR #797: Add ceilingKey() and floorKey() to TransactionMap (version 2)
</li>
<li>PR #796: Add MDY to DateStyle in PgServerThread
<li>PR #796: Add MDY to DateStyle in PgServerThread
</li>
<li>PR #794: Sort files in generated jars
<li>PR #794: Sort files in generated jars
</li>
<li>PR #793: Change return type of Value.getBoolean() to boolean (unwrapped)
<li>PR #793: Change return type of Value.getBoolean() to boolean (unwrapped)
</li>
<li>PR #792: Inherit classpath from parent process
<li>PR #792: Inherit classpath from parent process
</li>
<li>PR #791: Switch to JaCoCo code coverage
<li>PR #791: Switch to JaCoCo code coverage
</li>
<li>PR #788: Update lists of keywords
<li>PR #788: Update lists of keywords
</li>
<li>PR #789: Map DATE in Oracle mode to ValueTimestamp
<li>PR #789: Map DATE in Oracle mode to ValueTimestamp
</li>
<li>PR #787: Assorted changes
<li>PR #787: Assorted changes
</li>
<li>PR #785: Optimize NULL handling in MVSecondaryIndex.add()
<li>PR #785: Optimize NULL handling in MVSecondaryIndex.add()
</li>
<li>PR #783: Add Bits implementation for Java 9 and later versions
<li>PR #783: Add Bits implementation for Java 9 and later versions
</li>
<li>PR #784: Hardcoded port numbers should not be used in unit tests
<li>PR #784: Hardcoded port numbers should not be used in unit tests
</li>
<li>PR #780: Close JavaFileManager after use.
<li>PR #780: Close JavaFileManager after use.
</li>
<li>PR #782: Leftover shared lock after release
<li>PR #782: Leftover shared lock after release
</li>
<li>PR #781: Locks left behind after commit
<li>PR #781: Locks left behind after commit
</li>
<li>PR #778: Reduce code duplication
<li>PR #778: Reduce code duplication
</li>
<li>PR #775: Fix building of documentation and zip
<li>PR #775: Fix building of documentation and zip
</li>
<li>PR #774: Assorted changes
<li>PR #774: Assorted changes
</li>
<li>PR #773: Better checks for arguments of partial LOB reading methods
<li>PR #773: Better checks for arguments of partial LOB reading methods
</li>
<li>PR #772: getBinaryStream() and getCharacterStream() with pos and length
</li>
<li>Issue #754: Make NUMERIC type read as NUMERIC
</li>
<li>PR #768: Add DataUtils.parseChecksummedMap()
<li>PR #768: Add DataUtils.parseChecksummedMap()
</li>
<li>PR #769: Do not copy result of DataUtils.parseMap() to a new maps
<li>PR #769: Do not copy result of DataUtils.parseMap() to a new maps
</li>
<li>PR #766: Minor clean up of DateTimeUtils
<li>PR #766: Minor clean up of DateTimeUtils
</li>
<li>PR #764: Make use of try-with-resources statement
</li>
......@@ -109,7 +109,7 @@ Change Log
</li>
<li>PR #750: Use AtomicIntegerArray and StandardCharsets
</li>
<li>PR #749: Fix some build checks in sources
<li>PR #749: Fix some build checks in sources
</li>
<li>Issue #740: TestWeb hangups if webSSL=true specified in configuration
</li>
......@@ -125,7 +125,7 @@ Change Log
</li>
<li>PR #738: Copy javadoc to *BackwardsCompat to fix building of documentation
</li>
<li>PR #735: Add support of java.time.Instant V2
<li>PR #735: Add support of java.time.Instant V2
</li>
<li>PR #733: Remove JPA/ORM configuration txt files as they're already integrated
</li>
......@@ -139,15 +139,15 @@ Change Log
</li>
<li>PR #726: Fixes in tests
</li>
<li>Issue #725: FilePathMem.tryLock() fails since Java 9
<li>Issue #725: FilePathMem.tryLock() fails since Java 9
</li>
<li>PR #723: Clean up LocalDateTimeUtils
<li>PR #723: Clean up LocalDateTimeUtils
</li>
<li>PR #724: Use StringBuilder instead of StringBuffer
<li>PR #724: Use StringBuilder instead of StringBuffer
</li>
<li>PR #720: DROP TABLE RESTRICT shouldn't drop foreign keys in other tables
</li>
<li>PR #722: Assorted minor changes
<li>PR #722: Assorted minor changes
</li>
<li>Issue #638: Oracle mode: incompatible regexp back-reference syntax
</li>
......
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.getResultFromIndex(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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