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Contents
class Card
module Query
class AbstractQuery
# shared methods for queries
module QueryHelper
def direct_subqueries
subqueries_with_fasten :direct
end
def subqueries_with_fasten fasten
list = []
subqueries.each do |s|
next unless Array.wrap(fasten).include? s.fasten
list << s
list += s.subqueries_with_fasten s.fasten
end
list
end
def table_alias
@table_alias ||= begin
if fasten == :direct
@superquery.table_alias
else
"#{table_prefix}#{next_table_suffix}"
end
end
end
def next_table_suffix
return root.next_table_suffix unless root?
@table_suffix = (@table_suffix || -1) + 1
end
def fld field_name
"#{table_alias}.#{field_name}"
end
def add_condition *args
@conditions <<
if args.size > 1
[args.shift, Query::Value.new(args.shift, self)]
else
args[0]
end
end
def current_conjunction
"AND"
end
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems