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Contents
module Sunspot
module Query
#
# Abstract class for function queries.
#
class FunctionQuery
include RSolr::Char
end
#
# Function query which represents a constant.
#
class ConstantFunctionQuery < FunctionQuery
def initialize(constant)
@constant = constant
end
def to_s
Type.to_literal(@constant)
end
end
#
# Function query which represents a field.
#
class FieldFunctionQuery < FunctionQuery
def initialize(field)
@field = field
end
def to_s
"#{escape(@field.indexed_name)}"
end
end
#
# Function query which represents an actual function invocation.
# Takes a function name and arguments as parameters.
# Arguments are in turn FunctionQuery objects.
#
class FunctionalFunctionQuery < FunctionQuery
def initialize(function_name, function_args)
@function_name, @function_args = function_name, function_args
end
def to_s
params = @function_args.map { |arg| arg.to_s }.join(",")
"#{@function_name}(#{params})"
end
end
end
end
Version data entries
43 entries across 43 versions & 11 rubygems