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#
#
# 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 DropAll < Command
def help
return <<-EOF
Drop all of the tables matching the given regex:
hbase> drop_all 't.*'
EOF
end
def command(regex)
regex = /^#{regex}$/ unless regex.is_a?(Regexp)
list = admin.list.grep(regex)
count = list.size
list.each do |table|
formatter.row([ table ])
end
puts "\nDrop the above #{count} tables (y/n)?" unless count == 0
answer = 'n'
answer = gets.chomp unless count == 0
puts "No tables matched the regex #{regex.to_s}" if count == 0
return unless answer =~ /y.*/i
failed = admin.drop_all(regex)
puts "#{count - failed.size} tables successfully dropped"
puts "#{failed.size} tables not dropped due to an exception: #{failed.join ','}" unless failed.size == 0
end
end
end
end
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