 module ActiveRecor8b7c:f320:99b9:690f:4595:cd17:293a:c069ConnectionAdapters8b7c:f320:99b9:690f:4595:cd17:293a:c069Quoting     Public Instance Methods    fetch_type_metadata(sql_type) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 67
def fetch_type_metadata(sql_type)
  cast_type = lookup_cast_type(sql_type)
  SqlTypeMetadata.new(
    sql_type: sql_type,
    type: cast_type.type,
    limit: cast_type.limit,
    precision: cast_type.precision,
    scale: cast_type.scale,
  )
end      quote(value, column = nil) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 9
      def quote(value, column = nil)
        # records are quoted as their primary key
        return value.quoted_id if value.respond_to?(:quoted_id)

        if column
          ActiveSupport8b7c:f320:99b9:690f:4595:cd17:293a:c069precation.warn("            Passing a column to `quote` has been deprecated. It is only used
            for type casting, which should be handled elsewhere. See
            https://github.com/rails/arel/commit/6160bfbda1d1781c3b08a33ec4955f170e95be11
            for more information.
".squish)
          value = type_cast_from_column(column, value)
        end

        _quote(value)
      end  Quotes the column value to help prevent SQL injection attacks.     quote_column_name(column_name) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 85
def quote_column_name(column_name)
  column_name.to_s
end  Quotes the column name. Defaults to no quoting.     quote_string(s) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 80
def quote_string(s)
  s.gsub('\'.freeze, '\&\&'.freeze).gsub("'".freeze, "''".freeze) # ' (for ruby-mode)
end  Quotes a string, escaping any ' (single quote) and \ (backslash) characters.     quote_table_name(table_name) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 90
def quote_table_name(table_name)
  quote_column_name(table_name)
end  Quotes the table name. Defaults to column name quoting.     quote_table_name_for_assignment(table, attr) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 102
def quote_table_name_for_assignment(table, attr)
  quote_table_name("#{table}.#{attr}")
end  Override to return the quoted table name for assignment. Defaults to table quoting. This works for mysql2 where table.column can be used to resolve ambiguity. We override this in the sqlite3 and postgresql adapters to use only the column name (as per syntax requirements).     quoted_date(value) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 133
def quoted_date(value)
  if value.acts_like?(:time)
    zone_conversion_method = ActiveRecor8b7c:f320:99b9:690f:4595:cd17:293a:c069Base.default_timezone == :utc ? :getutc : :getlocal

    if value.respond_to?(zone_conversion_method)
      value = value.send(zone_conversion_method)
    end
  end

  result = value.to_s(:db)
  if value.respond_to?(:usec) && value.usec > 0
    "#{result}.#{sprintf("%06d", value.usec)}"
  else
    result
  end
end  Quote date/time values for use in SQL input. Includes microseconds if the value is a Time responding to usec.     quoted_false() Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 123
def quoted_false
  "'f'".freeze
end      quoted_true() Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 115
def quoted_true
  "'t'".freeze
end      type_cast(value, column = nil) Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 29
def type_cast(value, column = nil)
  if value.respond_to?(:quoted_id) && value.respond_to?(:id)
    return value.id
  end

  if column
    value = type_cast_from_column(column, value)
  end

  _type_cast(value)
rescue TypeError
  to_type = column ? " to #{column.type}" : ""
  raise TypeError, "can't cast #{value.class}#{to_type}"
end  Cast a value to a type that the database understands. For example, SQLite does not understand dates, so this method will convert a Date to a String.     unquoted_false() Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 127
def unquoted_false
  'f'.freeze
end      unquoted_true() Show source  
 # File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 119
def unquoted_true
  't'.freeze
end     

    
{'path': 'public/docs/rails~5.0/activerecord/connectionadapters/quoting.html', 'source': 'DevDocs.IO'}