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https://issues.apache.org/jira/browse/HBASE-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-1234:
-------------------------
Attachment: hbase-1234-v7.patch
v7 fixes most tests but also disables filter tests, compaction, thrift, and
atomic increment unit tests because these do not pass yet.
Here are notes on changes.
{code}
Disabled the filter tests. Filter interface has changed. Filters need
to be updated. Will do in separate issue.
Disabled TestAtomicIncrement. Will fix in separate issue.
Disabled TestCompaction and the thrift unit tests.
M b/src/java/org/apache/hadoop/hbase/HMerge.java
Update to deal with results that are List<KeyValue>
M b/src/java/org/apache/hadoop/hbase/HRegionInfo.java
(getComparator) Added.
M b/src/java/org/apache/hadoop/hbase/HStoreKey.java
Deprecated.
M b/src/java/org/apache/hadoop/hbase/HTableDescriptor.java
Changed map of families. No longer do we do encoding of
family name. Instead we do a special comparator, one
that compares only the family portion of the column
name.
A b/src/java/org/apache/hadoop/hbase/KeyValue.java
KeyValue does what HStoreKey used to.
M b/src/java/org/apache/hadoop/hbase/client/HConnectionManager.java
Fixed comments.
M b/src/java/org/apache/hadoop/hbase/client/MetaScanner.java
Formatting.
M b/src/java/org/apache/hadoop/hbase/filter/ColumnValueFilter.java
M b/src/java/org/apache/hadoop/hbase/filter/PageRowFilter.java
M b/src/java/org/apache/hadoop/hbase/filter/PrefixRowFilter.java
M b/src/java/org/apache/hadoop/hbase/filter/RegExpRowFilter.java
M b/src/java/org/apache/hadoop/hbase/filter/RowFilterInterface.java
M b/src/java/org/apache/hadoop/hbase/filter/RowFilterSet.java
M b/src/java/org/apache/hadoop/hbase/filter/StopRowFilter.java
M b/src/java/org/apache/hadoop/hbase/filter/WhileMatchRowFilter.java
Filter interface changed; now we take buffer with offset and
length. Deprecated the old. Filters not finished. Need work.
M b/src/java/org/apache/hadoop/hbase/io/Cell.java
(createCells): Added. Method that converts List<KeyValue> to Cells.
This method should be temporary... should go away eventually.
(createSingleCellArray): Added. Temporary method.
M b/src/java/org/apache/hadoop/hbase/io/HalfHFileReader.java
Updated to deal with KeyValue keys.
M b/src/java/org/apache/hadoop/hbase/io/HbaseMapWritable.java
Formatting.
M b/src/java/org/apache/hadoop/hbase/io/Reference.java
Deal with KeyValue keys.
M b/src/java/org/apache/hadoop/hbase/io/RowResult.java
(createRowResultArray, createRowResult): Temporary convertion
methods to go from List<KeyValue> to RowResult.
M b/src/java/org/apache/hadoop/hbase/io/hfile/HFile.java
Add method that takes a KeyValue. Add methods that
take buffer + offset + length (rather than just buffer).
M b/src/java/org/apache/hadoop/hbase/io/hfile/HFileScanner.java
Add methods that take buffer + offset + length (rather than just buffer).
M b/src/java/org/apache/hadoop/hbase/master/BaseScanner.java
Redo. Deal with KeyValue.
M b/src/java/org/apache/hadoop/hbase/regionserver/HLog.java
Deal with KeyValue. Move the row component from Key to edit value.
M b/src/java/org/apache/hadoop/hbase/regionserver/HLogEdit.java
Removed extaneous isDeleted stuff -- stuff that no longer applies
now delete is attribute of key rather than special cell value.
Add handling of KeyValue.
M b/src/java/org/apache/hadoop/hbase/regionserver/HLogKey.java
HLK no longer has row in it.
M b/src/java/org/apache/hadoop/hbase/regionserver/HRegion.java
Use skip list for Set of stores. No need of sync when iterating.
Use new comparators checking row and row+column matches.
Add in new methods to check version count and to not add values
Add in new methods to check version count and to not add values
already present in results. Add handling of KeyValue.
(getKeys): Removed. Doesn't make sense now key and value
bundled up together.
M b/src/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
Use new comparators. Deal with KeyValue.
M b/src/java/org/apache/hadoop/hbase/regionserver/InternalScanner.java
Change interface to take KeyValue.
M b/src/java/org/apache/hadoop/hbase/regionserver/Memcache.java
Deal in KeyValue. Use SkipList so don't have to lock to iterate tailsets.
Renamed internalGetFull as getFull. Removed getKeys. Use getFull
instead.
M b/src/java/org/apache/hadoop/hbase/regionserver/Store.java
Deal with KeyValue. Use new comparators.
Use skip lists for reconstruction cache, etc.
Make body of getFull and get agree with whats in Memcache -- call same
methods. Remove getKeys. Do getFull instead (Did same thing).
Remove methods like rowMatches and matching columns and use
comparators instead.
M b/src/java/org/apache/hadoop/hbase/regionserver/StoreFile.java
M b/src/java/org/apache/hadoop/hbase/regionserver/StoreFileScanner.java
M b/src/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java
Removed HSK. Use KV instead.
M
b/src/java/org/apache/hadoop/hbase/regionserver/tableindexed/IndexedRegion.java
M
b/src/java/org/apache/hadoop/hbase/regionserver/transactional/TransactionalHLogManager.java
M
b/src/java/org/apache/hadoop/hbase/regionserver/transactional/TransactionalRegion.java
M
b/src/java/org/apache/hadoop/hbase/regionserver/transactional/TransactionalRegionServer.java
Use KeyValue instead. Changes to agree with base class changes.
M b/src/java/org/apache/hadoop/hbase/util/Bytes.java
Add license. Some bug fixes and added methods (By Jon Gray), methods to
do ByteBuffer stuff.
M b/src/java/org/apache/hadoop/hbase/util/Merge.java
M b/src/java/org/apache/hadoop/hbase/util/MetaUtils.java
Update to KeyValue.
D b/src/java/org/apache/hadoop/hbase/util/TestBytes.java
Removed.
M b/src/test/org/apache/hadoop/hbase/HBaseTestCase.java
Updates to deal with KeyValue changes.
A b/src/test/org/apache/hadoop/hbase/TestKeyValue.java
New test for KeyValue.
> Change HBase StoreKey format
> ----------------------------
>
> Key: HBASE-1234
> URL: https://issues.apache.org/jira/browse/HBASE-1234
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: stack
> Assignee: stack
> Fix For: 0.20.0
>
> Attachments: 1234-v2.patch, 1234-v5.patch, 1234.patch,
> hbase-1234-v6.patch, hbase-1234-v7.patch
>
>
> HBASE-859 cleaned up keys removing the need of HRegionInfo being in the
> context comparing keys. This issue is about changing the format. Work done
> in HBASE-859 means changes have been localized to HStoreKey, in particular to
> comparators and parse routines. We should do this now since 0.20.0 will
> require rewriting all data.
> Things to consider:
> <row> <columnfamily> <columnqualifier> <timestamp> <keytype>
> Or leave off columnfamily altogether and just write it once into the hfile
> metadata (All key compares are done in the Store context so columnfamily can
> be safely left out of the equation; its only when the key rises above Store
> that the columnfamily needs appending).
> keytype is probably a byte. Types are delete cell, delete row, delete family,
> delete column? What else? Where should we put it? At the end? How should
> type sort? Or should it not be part of sort so its just the order at which
> we encounter the key?
> How are we going to support keys that go in out of chronological order?
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