HBASE-10229-Support OperationAttributes in Increment and Append in Shell (Ram)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1553623 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
ramkrishna 2013-12-27 04:19:43 +00:00
parent d3451214f3
commit 9459b605b0
5 changed files with 93 additions and 9 deletions

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@ -169,13 +169,38 @@ EOF
#----------------------------------------------------------------------------------------------
# Increment a counter atomically
def _incr_internal(row, column, value = nil)
def _incr_internal(row, column, value = nil, args={})
if value.kind_of?(Hash)
value = 1
end
value ||= 1
incr = org.apache.hadoop.hbase.client.Increment.new(row.to_s.to_java_bytes)
family, qualifier = parse_column_name(column)
if qualifier.nil?
raise ArgumentError, "Failed to provide both column family and column qualifier for incr"
end
@table.incrementColumnValue(row.to_s.to_java_bytes, family, qualifier, value)
if args.any?
attributes = args[ATTRIBUTES]
set_attributes(incr, attributes) if attributes
end
incr.addColumn(family, qualifier, value)
@table.increment(incr)
end
#----------------------------------------------------------------------------------------------
# appends the value atomically
def _append_internal(row, column, value, args={})
append = org.apache.hadoop.hbase.client.Append.new(row.to_s.to_java_bytes)
family, qualifier = parse_column_name(column)
if qualifier.nil?
raise ArgumentError, "Failed to provide both column family and column qualifier for append"
end
if args.any?
attributes = args[ATTRIBUTES]
set_attributes(append, attributes) if attributes
end
append.add(family, qualifier, value.to_s.to_java_bytes)
@table.append(append)
end
#----------------------------------------------------------------------------------------------

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@ -284,6 +284,7 @@ Shell.load_command_group(
scan
truncate
truncate_preserve
append
]
)

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@ -0,0 +1,50 @@
#
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
module Shell
module Commands
class Append < Command
def help
return <<-EOF
Appends a cell 'value' at specified table/row/column coordinates.
hbase> append 't1', 'r1', 'c1', 'value', ATTRIBUTES=>{'mykey'=>'myvalue'}
The same commands also can be run on a table reference. Suppose you had a reference
t to table 't1', the corresponding command would be:
hbase> t.append 'r1', 'c1', 'value', ATTRIBUTES=>{'mykey'=>'myvalue'}
EOF
end
def command(table, row, column, value, args={})
append(table(table), row, column, value, args)
end
def append(table, row, column, value, args={})
format_simple_command do
table._append_internal(row, column, value, args)
end
end
end
end
end
#add incr comamnd to Table
::Hbase::Table.add_shell_command("append")

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@ -29,23 +29,26 @@ To increment a cell value in table 't1' at row 'r1' under column
hbase> incr 't1', 'r1', 'c1'
hbase> incr 't1', 'r1', 'c1', 1
hbase> incr 't1', 'r1', 'c1', 10
hbase> incr 't1', 'r1', 'c1', 10, ATTRIBUTES=>{'mykey'=>'myvalue'}
hbase> incr 't1', 'r1', 'c1', ATTRIBUTES=>{'mykey'=>'myvalue'}
The same commands also can be run on a table reference. Suppose you had a reference
t to table 't1', the corresponding command would be:
hbase> t.incr 'r1', 'c1'
hbase> t.incr 'r1', 'c1', 1
hbase> t.incr 'r1', 'c1', 10
hbase> t.incr 'r1', 'c1', 10, ATTRIBUTES=>{'mykey'=>'myvalue'}
EOF
end
def command(table, row, column, value)
incr(table(table), row, column, value)
def command(table, row, column, value = nil, args = {})
incr(table(table), row, column, value, args)
end
def incr(table, row, column, value = nil)
cnt = table._incr_internal(row, column, value)
puts "COUNTER VALUE = #{cnt}"
def incr(table, row, column, value = nil, args={})
format_simple_command do
table._incr_internal(row, column, value, args)
end
end
end
end

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@ -188,6 +188,11 @@ module Hbase
#-------------------------------------------------------------------------------
define_test "append should work with value" do
@test_table.append("123", 'x:cnt2', '123')
end
#-------------------------------------------------------------------------------
define_test "get_counter should work with integer keys" do
@test_table.incr(12345, 'x:cnt')
assert_kind_of(Fixnum, @test_table._get_counter_internal(12345, 'x:cnt'))