eomiks opened a new pull request #4282:
URL: https://github.com/apache/hbase/pull/4282
HBASE-26895
on hbase shell,
'delete' or 'deleteall' for the whole columnFamily is not working properly.
```
hbase(main):026:0* put 'test', 'r1', 'f:1', 'a'
Took 0.0233 seconds
hbase(main):029:0> delete 'test', 'r1', 'f'
Took 0.0070 seconds
hbase(main):030:0> get 'test', 'r1'
COLUMN CELL
f:1
timestamp=1648114865022, value=a
1 row(s)
hbase(main):038:0> deleteall 'test', 'r1', 'f'
Took 0.0059 seconds
hbase(main):039:0> get 'test', 'r1'
COLUMN CELL
f:1
timestamp=1648114865022, value=a
1 row(s)
```
looking inside of hbase-shell,
all delete/deleteall on hbase shell are converted to
delete.addColumn/addColumns.
thus, delete/deleteall request without columnQualifier converted to 'null'
qualifier deletion. (since
[HBASE-15616](https://issues.apache.org/jira/browse/HBASE-15616), null
columnQualifier is possible)
```ruby
if column && all_version
family, qualifier = parse_column_name(column)
d.addColumns(family, qualifier, timestamp)
elsif column && !all_version
family, qualifier = parse_column_name(column)
d.addColumn(family, qualifier, timestamp)
end
```
According to the description of help 'deleteall' and
[HBASE-9549](https://issues.apache.org/jira/browse/HBASE-9549)
> "Users of the shell, MapReduce, REST, and Thrift who wish to interact with
an entire column family must use "family" instead of "family:" (notice the
omitted ':'). Including the ':' will be interpreted as an interaction with the
empty qualifier in the "family" column family."
a column expression without ':' means whole family.
so in these cases, it's deletion request for the columnFamily,
and we should use addFamily/addFamilyVersion instead of addColumn/addColumns
for deletion.
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