diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql/cast.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/cast.rb | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb deleted file mode 100644 index f7d734a2f1..0000000000 --- a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb +++ /dev/null @@ -1,156 +0,0 @@ -module ActiveRecord - module ConnectionAdapters - class PostgreSQLColumn < Column - module Cast - def string_to_time(string) - return string unless String === string - - case string - when 'infinity'; 1.0 / 0.0 - when '-infinity'; -1.0 / 0.0 - when / BC$/ - super("-" + string.sub(/ BC$/, "")) - else - super - end - end - - def hstore_to_string(object) - if Hash === object - object.map { |k,v| - "#{escape_hstore(k)}=>#{escape_hstore(v)}" - }.join ',' - else - object - end - end - - def string_to_hstore(string) - if string.nil? - nil - elsif String === string - Hash[string.scan(HstorePair).map { |k,v| - v = v.upcase == 'NULL' ? nil : v.gsub(/^"(.*)"$/,'\1').gsub(/\\(.)/, '\1') - k = k.gsub(/^"(.*)"$/,'\1').gsub(/\\(.)/, '\1') - [k,v] - }] - else - string - end - end - - def json_to_string(object) - if Hash === object - ActiveSupport::JSON.encode(object) - else - object - end - end - - def array_to_string(value, column, adapter, should_be_quoted = false) - casted_values = value.map do |val| - if String === val - if val == "NULL" - "\"#{val}\"" - else - quote_and_escape(adapter.type_cast(val, column, true)) - end - else - adapter.type_cast(val, column, true) - end - end - "{#{casted_values.join(',')}}" - end - - def string_to_json(string) - if String === string - ActiveSupport::JSON.decode(string) - else - string - end - end - - def string_to_cidr(string) - if string.nil? - nil - elsif String === string - IPAddr.new(string) - else - string - end - end - - def cidr_to_string(object) - if IPAddr === object - "#{object.to_s}/#{object.instance_variable_get(:@mask_addr).to_s(2).count('1')}" - else - object - end - end - - def string_to_array(string, oid) - parse_pg_array(string).map{|val| oid.type_cast val} - end - - def string_to_intrange(string) - if string.nil? - nil - elsif "empty" == string - (nil..nil) - elsif String === string && (matches = /^(\(|\[)([0-9]+),(\s?)([0-9]+)(\)|\])$/i.match(string)) - lower_bound = ("(" == matches[1] ? (matches[2].to_i + 1) : matches[2].to_i) - upper_bound = (")" == matches[5] ? (matches[4].to_i - 1) : matches[4].to_i) - (lower_bound..upper_bound) - else - string - end - end - - def intrange_to_string(object) - if object.nil? - nil - elsif Range === object - if [object.first, object.last].all? { |el| Integer === el } - "[#{object.first.to_i},#{object.exclude_end? ? object.last.to_i : object.last.to_i + 1})" - elsif [object.first, object.last].all? { |el| NilClass === el } - "empty" - else - nil - end - else - object - end - end - - private - - HstorePair = begin - quoted_string = /"[^"\\]*(?:\\.[^"\\]*)*"/ - unquoted_string = /(?:\\.|[^\s,])[^\s=,\\]*(?:\\.[^\s=,\\]*|=[^,>])*/ - /(#{quoted_string}|#{unquoted_string})\s*=>\s*(#{quoted_string}|#{unquoted_string})/ - end - - def escape_hstore(value) - if value.nil? - 'NULL' - else - if value == "" - '""' - else - '"%s"' % value.to_s.gsub(/(["\\])/, '\\\\\1') - end - end - end - - def quote_and_escape(value) - case value - when "NULL" - value - else - "\"#{value.gsub(/"/,"\\\"")}\"" - end - end - end - end - end -end |