Sha256: 91175deac2e9ae20e6b6aa53d674914ff25a16359cbf61b7522f009db78c65d5
Contents?: true
Size: 1.69 KB
Versions: 8
Compression:
Stored size: 1.69 KB
Contents
class Jvertica
class Row
attr_reader :labels, :values, :rownum
alias_method :keys, :labels
include Enumerable
def initialize(col_labels, col_labels_d, values, rownum)
@labels = col_labels
@labels_d = col_labels_d
@values = values
@rownum = rownum
end
def [](*idx)
return @values[*idx] if idx.length > 1
idx = idx.first
case idx
when Fixnum
raise RangeError.new("Index out of bound") if idx >= @values.length
@values[idx]
when String, Symbol
vidx = @labels_d.index(idx.to_s.downcase) or
raise NameError.new("Unknown column label: #{idx}")
@values[vidx]
else
@values[idx]
end
end
def each(&blk)
@values.each do |v|
yield v
end
end
def inspect
strs = []
@labels.each do |col|
strs << "#{col}: #{self[col] || '(null)'}"
end
'[' + strs.join(', ') + ']'
end
def to_a
@values
end
def join(sep = $OUTPUT_FIELD_SEPARATOR)
to_a.join(sep)
end
def eql?(other)
self.hash == other.hash
end
def hash
@labels.zip(@values).sort.hash
end
def to_h
Hash[@labels.zip(@values)]
end
alias :== :eql?
def method_missing(symb, *args)
if vidx = @labels_d.index(symb.to_s.downcase)
@values[vidx]
elsif @values.respond_to?(symb)
@values.send(symb, *args)
else
raise NoMethodError.new("undefined method or attribute `#{symb}'")
end
end
[:id, :tap, :gem, :display, :class, :method, :methods, :trust].select do |s|
method_defined?(s)
end.each do |m|
undef_method(m)
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems