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module Groonga
module Sharding
class LogicalParametersCommand < Command
register("logical_parameters",
[
"range_index",
])
def run_body(input)
range_index = parse_range_index(input[:range_index])
parameters = [
:range_index,
]
writer.map("parameters", parameters.size) do
parameters.each do |name|
writer.write(name.to_s)
writer.write(Parameters.__send__(name))
end
end
Parameters.range_index = range_index if range_index
end
private
def parse_range_index(value)
case value
when nil
nil
when "auto"
:auto
when "always"
:always
when "never"
:never
else
message = "[logical_parameters][range_index] "
message << "must be auto, always or never: <#{value}>"
raise InvalidArgument, message
end
end
end
end
end
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