diff options
| -rw-r--r-- | lib/arel/sql.rb | 107 |
1 files changed, 2 insertions, 105 deletions
diff --git a/lib/arel/sql.rb b/lib/arel/sql.rb index de0bece372..7e7dd0a80f 100644 --- a/lib/arel/sql.rb +++ b/lib/arel/sql.rb @@ -1,105 +1,2 @@ -module Arel - module Sql - module Quoting - delegate :quote_table_name, :quote_column_name, :quote, :to => :engine - end - - class Formatter - attr_reader :engine, :christener - - include Quoting - - def initialize(environment) - @christener, @engine = environment.christener, environment.engine - end - end - - class SelectClause < Formatter - def attribute(attribute) - relation_name = @christener.name_for(attribute.original_relation) - "#{quote_table_name(relation_name)}.#{quote_column_name(attribute.name)}" + (attribute.alias ? " AS #{quote(attribute.alias.to_s)}" : "") - end - - def select(select_sql, name) - "(#{select_sql}) AS #{quote_table_name(name.to_s)}" - end - - def value(value) - value - end - end - - class PassThrough < Formatter - def value(value) - value - end - end - - class WhereClause < PassThrough - end - - class OrderClause < PassThrough - def attribute(attribute) - relation_name = @christener.name_for(attribute.original_relation) - "#{quote_table_name(relation_name)}.#{quote_column_name(attribute.name)}" - end - end - - class WhereCondition < Formatter - def attribute(attribute) - relation_name = @christener.name_for(attribute.original_relation) - "#{quote_table_name(relation_name)}.#{quote_column_name(attribute.name)}" - end - - def value(value) - value.to_sql(self) - end - - def scalar(value, column = nil) - quote(value, column) - end - - def select(select_sql, name) - "(#{select_sql})" - end - end - - class SelectStatement < Formatter - def select(select_sql, name) - select_sql - end - end - - class TableReference < Formatter - def select(select_sql, name) - "(#{select_sql}) AS #{quote_table_name(name)}" - end - - def table(table) - aliaz = christener.name_for(table) - quote_table_name(table.name) + (table.name != aliaz ? " AS " + engine.quote_table_name(aliaz) : '') - end - end - - class Attribute < WhereCondition - def initialize(attribute) - @attribute, @christener, @engine = attribute, attribute.christener, attribute.engine - end - - def scalar(scalar) - quote(scalar, @attribute.column) - end - - def array(array) - "(" + array.collect { |e| e.to_sql(self) }.join(', ') + ")" - end - - def range(left, right) - "#{left} AND #{right}" - end - end - - class Value < WhereCondition - end - end -end
\ No newline at end of file +require 'arel/sql/formatters' +require 'arel/sql/christener'
\ No newline at end of file |