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HBASE-21620 Problem in scan query when using more than one column prefix filter in some cases 

Signed-off-by: Guanghao Zhang <zghao@apache.org>
Signed-off-by: Michael Stack <stack@apache.org>
Signed-off-by: Allan Yang <allan163@apache.org>
This commit is contained in:
openinx 2018-12-20 21:04:10 +08:00 committed by stack
parent 12786f80c1
commit e160b5ac8d
4 changed files with 140 additions and 39 deletions
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65
hbase-client/src/main/java/org/apache/hadoop/hbase/filter/FilterListWithOR.java
View File

@ -83,30 +83,40 @@ public class FilterListWithOR extends FilterListBase {
* next family for RegionScanner, INCLUDE_AND_NEXT_ROW is the same. so we should pass current cell
* to the filter, if row mismatch or row match but column family mismatch. (HBASE-18368)
* @see org.apache.hadoop.hbase.filter.Filter.ReturnCode
* @param subFilter which sub-filter to calculate the return code by using previous cell and
* previous return code.
* @param prevCell the previous cell passed to given sub-filter.
* @param currentCell the current cell which will pass to given sub-filter.
* @param prevCode the previous return code for given sub-filter.
* @return return code calculated by using previous cell and previous return code. null means can
* not decide which return code should return, so we will pass the currentCell to
* subFilter for getting currentCell's return code, and it won't impact the sub-filter's
* internal states.
*/
private boolean shouldPassCurrentCellToFilter(Cell prevCell, Cell currentCell,
ReturnCode prevCode) throws IOException {
private ReturnCode calculateReturnCodeByPrevCellAndRC(Filter subFilter, Cell currentCell,
Cell prevCell, ReturnCode prevCode) throws IOException {
if (prevCell == null || prevCode == null) {
return true;
return null;
}
switch (prevCode) {
case INCLUDE:
case SKIP:
return true;
return null;
case SEEK_NEXT_USING_HINT:
Cell nextHintCell = getNextCellHint(prevCell);
return nextHintCell == null || this.compareCell(currentCell, nextHintCell) >= 0;
Cell nextHintCell = subFilter.getNextCellHint(prevCell);
return nextHintCell != null && compareCell(currentCell, nextHintCell) < 0
? ReturnCode.SEEK_NEXT_USING_HINT : null;
case NEXT_COL:
case INCLUDE_AND_NEXT_COL:
// Once row changed, reset() will clear prevCells, so we need not to compare their rows
// because rows are the same here.
return !CellUtil.matchingColumn(prevCell, currentCell);
// Once row changed, reset() will clear prevCells, so we need not to compare their rows
// because rows are the same here.
return CellUtil.matchingColumn(prevCell, currentCell) ? ReturnCode.NEXT_COL : null;
case NEXT_ROW:
case INCLUDE_AND_SEEK_NEXT_ROW:
// As described above, rows are definitely the same, so we only compare the family.
return !CellUtil.matchingFamily(prevCell, currentCell);
// As described above, rows are definitely the same, so we only compare the family.
return CellUtil.matchingFamily(prevCell, currentCell) ? ReturnCode.NEXT_ROW : null;
default:
throw new IllegalStateException("Received code is not valid.");
throw new IllegalStateException("Received code is not valid.");
}
}
@ -240,7 +250,7 @@ public class FilterListWithOR extends FilterListBase {
private void updatePrevCellList(int index, Cell currentCell, ReturnCode currentRC) {
if (currentCell == null || currentRC == ReturnCode.INCLUDE || currentRC == ReturnCode.SKIP) {
// If previous return code is INCLUDE or SKIP, we should always pass the next cell to the
// corresponding sub-filter(need not test shouldPassCurrentCellToFilter() method), So we
// corresponding sub-filter(need not test calculateReturnCodeByPrevCellAndRC() method), So we
// need not save current cell to prevCellList for saving heap memory.
prevCellList.set(index, null);
} else {
@ -254,28 +264,27 @@ public class FilterListWithOR extends FilterListBase {
return ReturnCode.INCLUDE;
}
ReturnCode rc = null;
boolean everyFilterReturnHint = true;
for (int i = 0, n = filters.size(); i < n; i++) {
Filter filter = filters.get(i);
subFiltersIncludedCell.set(i, false);
Cell prevCell = this.prevCellList.get(i);
ReturnCode prevCode = this.prevFilterRCList.get(i);
if (filter.filterAllRemaining() || !shouldPassCurrentCellToFilter(prevCell, c, prevCode)) {
everyFilterReturnHint = false;
if (filter.filterAllRemaining()) {
continue;
}
ReturnCode localRC = filter.filterCell(c);
ReturnCode localRC = calculateReturnCodeByPrevCellAndRC(filter, c, prevCell, prevCode);
if (localRC == null) {
// Can not get return code based on previous cell and previous return code. In other words,
// we should pass the current cell to this sub-filter to get the return code, and it won't
// impact the sub-filter's internal state.
localRC = filter.filterCell(c);
}
// Update previous return code and previous cell for filter[i].
updatePrevFilterRCList(i, localRC);
updatePrevCellList(i, c, localRC);
if (localRC != ReturnCode.SEEK_NEXT_USING_HINT) {
everyFilterReturnHint = false;
}
rc = mergeReturnCode(rc, localRC);
// For INCLUDE* case, we need to update the transformed cell.
@ -284,15 +293,9 @@ public class FilterListWithOR extends FilterListBase {
subFiltersIncludedCell.set(i, true);
}
}
if (everyFilterReturnHint) {
return ReturnCode.SEEK_NEXT_USING_HINT;
} else if (rc == null) {
// Each sub-filter in filter list got true for filterAllRemaining().
return ReturnCode.SKIP;
} else {
return rc;
}
// Each sub-filter in filter list got true for filterAllRemaining(), if rc is null, so we should
// return SKIP.
return rc == null ? ReturnCode.SKIP : rc;
}
@Override

2
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
View File

@ -690,7 +690,7 @@ public class StoreScanner extends NonReversedNonLazyKeyValueScanner
case SEEK_NEXT_USING_HINT:
Cell nextKV = matcher.getNextKeyHint(cell);
if (nextKV != null) {
if (nextKV != null && comparator.compare(nextKV, cell) > 0) {
seekAsDirection(nextKV);
NextState stateAfterSeekByHint = needToReturn(outResult);
if (stateAfterSeekByHint != null) {

62
hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterList.java
View File

@ -45,6 +45,7 @@ import org.junit.Assert;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
@ -604,15 +605,15 @@ public class TestFilterList {
3, Bytes.toBytes("value"));
assertEquals(ReturnCode.INCLUDE_AND_NEXT_COL, filterList01.filterCell(kv1));
assertEquals(ReturnCode.SKIP, filterList01.filterCell(kv2));
assertEquals(ReturnCode.SKIP, filterList01.filterCell(kv3));
assertEquals(ReturnCode.NEXT_COL, filterList01.filterCell(kv2));
assertEquals(ReturnCode.NEXT_COL, filterList01.filterCell(kv3));
FilterList filterList11 =
new FilterList(Operator.MUST_PASS_ONE, new ColumnPaginationFilter(1, 1));
assertEquals(ReturnCode.NEXT_COL, filterList11.filterCell(kv1));
assertEquals(ReturnCode.SKIP, filterList11.filterCell(kv2));
assertEquals(ReturnCode.SKIP, filterList11.filterCell(kv3));
assertEquals(ReturnCode.NEXT_COL, filterList11.filterCell(kv2));
assertEquals(ReturnCode.NEXT_COL, filterList11.filterCell(kv3));
}
@Test
@ -631,9 +632,9 @@ public class TestFilterList {
Bytes.toBytes("value"));
assertEquals(ReturnCode.SEEK_NEXT_USING_HINT, filterList.filterCell(kv1));
assertEquals(ReturnCode.SKIP, filterList.filterCell(kv2));
assertEquals(ReturnCode.SEEK_NEXT_USING_HINT, filterList.filterCell(kv2));
assertEquals(ReturnCode.INCLUDE_AND_NEXT_COL, filterList.filterCell(kv3));
assertEquals(ReturnCode.SKIP, filterList.filterCell(kv4));
assertEquals(ReturnCode.NEXT_COL, filterList.filterCell(kv4));
}
private static class MockFilter extends FilterBase {
@ -1072,5 +1073,54 @@ public class TestFilterList {
Assert.assertEquals(true, filter2.getTransformed());
Assert.assertEquals(true, filter3.getTransformed());
}
@Test
public void testFilterListWithORWhenPassingCellMismatchPreviousRC() throws IOException {
// Mainly test FilterListWithOR#calculateReturnCodeByPrevCellAndRC method with two sub-filters.
KeyValue kv1 = new KeyValue(Bytes.toBytes("row1"), Bytes.toBytes("fam"), Bytes.toBytes("a"),
100, Bytes.toBytes("value"));
KeyValue kv2 = new KeyValue(Bytes.toBytes("row1"), Bytes.toBytes("fam"), Bytes.toBytes("a"), 99,
Bytes.toBytes("value"));
KeyValue kv3 = new KeyValue(Bytes.toBytes("row1"), Bytes.toBytes("fam"), Bytes.toBytes("b"), 1,
Bytes.toBytes("value"));
KeyValue kv4 = new KeyValue(Bytes.toBytes("row1"), Bytes.toBytes("fan"), Bytes.toBytes("a"), 1,
Bytes.toBytes("value"));
Filter subFilter1 = Mockito.mock(FilterBase.class);
Mockito.when(subFilter1.filterCell(kv1)).thenReturn(ReturnCode.INCLUDE_AND_NEXT_COL);
Mockito.when(subFilter1.filterCell(kv2)).thenReturn(ReturnCode.NEXT_COL);
Mockito.when(subFilter1.filterCell(kv3)).thenReturn(ReturnCode.INCLUDE_AND_NEXT_COL);
Mockito.when(subFilter1.filterCell(kv4)).thenReturn(ReturnCode.INCLUDE_AND_NEXT_COL);
Filter subFilter2 = Mockito.mock(FilterBase.class);
Mockito.when(subFilter2.filterCell(kv1)).thenReturn(ReturnCode.SKIP);
Mockito.when(subFilter2.filterCell(kv2)).thenReturn(ReturnCode.NEXT_ROW);
Mockito.when(subFilter2.filterCell(kv3)).thenReturn(ReturnCode.NEXT_ROW);
Mockito.when(subFilter2.filterCell(kv4)).thenReturn(ReturnCode.INCLUDE_AND_SEEK_NEXT_ROW);
Filter filterList = new FilterList(Operator.MUST_PASS_ONE, subFilter1, subFilter2);
Assert.assertEquals(ReturnCode.INCLUDE, filterList.filterCell(kv1));
Assert.assertEquals(ReturnCode.NEXT_COL, filterList.filterCell(kv2));
Assert.assertEquals(ReturnCode.INCLUDE_AND_NEXT_COL, filterList.filterCell(kv3));
Assert.assertEquals(ReturnCode.INCLUDE_AND_NEXT_COL, filterList.filterCell(kv4));
// One sub-filter will filterAllRemaining but other sub-filter will return SEEK_HINT
subFilter1 = Mockito.mock(FilterBase.class);
Mockito.when(subFilter1.filterAllRemaining()).thenReturn(true);
Mockito.when(subFilter1.filterCell(kv1)).thenReturn(ReturnCode.NEXT_ROW);
subFilter2 = Mockito.mock(FilterBase.class);
Mockito.when(subFilter2.filterCell(kv1)).thenReturn(ReturnCode.SEEK_NEXT_USING_HINT);
filterList = new FilterList(Operator.MUST_PASS_ONE, subFilter1, subFilter2);
Assert.assertEquals(ReturnCode.SEEK_NEXT_USING_HINT, filterList.filterCell(kv1));
// Two sub-filter returns SEEK_NEXT_USING_HINT, then we should return SEEK_NEXT_USING_HINT.
subFilter1 = Mockito.mock(FilterBase.class);
Mockito.when(subFilter1.filterCell(kv1)).thenReturn(ReturnCode.SEEK_NEXT_USING_HINT);
subFilter2 = Mockito.mock(FilterBase.class);
Mockito.when(subFilter2.filterCell(kv1)).thenReturn(ReturnCode.SEEK_NEXT_USING_HINT);
filterList = new FilterList(Operator.MUST_PASS_ONE, subFilter1, subFilter2);
Assert.assertEquals(ReturnCode.SEEK_NEXT_USING_HINT, filterList.filterCell(kv1));
}
}

50
hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterListOnMini.java
View File

@ -21,6 +21,7 @@ import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.*;
import org.apache.hadoop.hbase.filter.FilterList.Operator;
import org.apache.hadoop.hbase.testclassification.FilterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
@ -28,7 +29,6 @@ import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@ -90,4 +90,52 @@ public class TestFilterListOnMini {
Assert.assertEquals(2, rr.size());
}
}
/**
* Test case for HBASE-21620
*/
@Test
public void testColumnPrefixFilterConcatWithOR() throws Exception {
TableName tn = TableName.valueOf(name.getMethodName());
byte[] cf1 = Bytes.toBytes("f1");
byte[] row = Bytes.toBytes("row");
byte[] value = Bytes.toBytes("value");
String[] columns = new String[]{
"1544768273917010001_lt",
"1544768273917010001_w_1",
"1544768723910010001_ca_1",
"1544768723910010001_lt",
"1544768723910010001_ut_1",
"1544768723910010001_w_5",
"1544769779710010001_lt",
"1544769779710010001_w_5",
"1544769883529010001_lt",
"1544769883529010001_w_5",
"1544769915805010001_lt",
"1544769915805010001_w_5",
"1544779883529010001_lt",
"1544770422942010001_lt",
"1544770422942010001_w_5"
};
Table table = TEST_UTIL.createTable(tn, cf1);
for (int i = 0; i < columns.length; i++) {
Put put = new Put(row).addColumn(cf1, Bytes.toBytes(columns[i]), value);
table.put(put);
}
Scan scan = new Scan();
scan.withStartRow(row).withStopRow(row, true)
.setFilter(new FilterList(Operator.MUST_PASS_ONE,
new ColumnPrefixFilter(Bytes.toBytes("1544770422942010001_")),
new ColumnPrefixFilter(Bytes.toBytes("1544769883529010001_"))));
ResultScanner scanner = table.getScanner(scan);
Result result;
int resultCount = 0;
int cellCount = 0;
while ((result = scanner.next()) != null) {
cellCount += result.listCells().size();
resultCount++;
}
Assert.assertEquals(resultCount, 1);
Assert.assertEquals(cellCount, 4);
}
}