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Versions: 21
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Contents
module ActiveRecord
module Associations
class JoinDependency
class JoinPart
def aliased_primary_key
# CPK
# "#{aliased_prefix}_r0"
base_klass.composite? ?
primary_key.inject([]) {|aliased_keys, key| aliased_keys << "#{ aliased_prefix }_r#{aliased_keys.length}"} :
"#{ aliased_prefix }_r0"
end
def record_id(row)
# CPK
# row[aliased_primary_key]
base_klass.composite? ?
aliased_primary_key.map {|key| row[key]}.to_composite_keys :
row[aliased_primary_key]
end
def column_names_with_alias
unless @column_names_with_alias
@column_names_with_alias = []
# CPK
#([primary_key] + (column_names - [primary_key])).each_with_index do |column_name, i|
keys = base_klass.composite? ? primary_key.map(&:to_s) : [primary_key]
(keys + (column_names - keys)).each_with_index do |column_name, i|
@column_names_with_alias << [column_name, "#{aliased_prefix}_r#{i}"]
end
end
@column_names_with_alias
end
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems