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Contents
module Groonga
class IndexColumn
private :estimate_size_for_term_id
private :estimate_size_for_query
private :estimate_size_for_lexicon_cursor
# Estimate the number of matched records for term ID or query.
#
# @overload estimate_size(:term => term)
# @param term [Record] the term as a Record
# @return [Integer] the number of matched records for the term ID.
#
# @overload estimate_size(:term_id => term_id)
# @return [Integer] the number of matched records for the term ID.
#
# @overload estimate_size(:query => query)
# @return [Integer] the number of matched records for the query.
#
# @overload estimate_size(:lexicon_cursor => lexicon_cursor)
# @return [Integer] the number of matched records for the lexicon cursor.
#
def estimate_size(parameters)
term = parameters[:term]
if term
# TODO: Validate lexicon
return estimate_size_for_term_id(term.id)
end
term_id = parameters[:term_id]
if term_id
return estimate_size_for_term_id(term_id)
end
query = parameters[:query]
if query
return estimate_size_for_query(query, parameters)
end
lexicon_cursor = parameters[:lexicon_cursor]
if lexicon_cursor
return estimate_size_for_lexicon_cursor(lexicon_cursor)
end
message =
"must specify :term_id, :query, :lexicon_cursor: #{parameters.inspect}"
raise InvalidArgument, message
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems