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Versions: 44
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Contents
module Bizside
class QueryBuilder
attr_reader :sql, :params
def initialize
@sql = ''
@params = []
@indent = 0
end
def append(*args)
if args.size == 1
if args[0].is_a?(Array)
append(*args[0])
elsif args[0].is_a?(QueryBuilder)
append(args[0].to_array)
else
append_sql(args[0])
end
else
args.each_with_index do |arg, i|
if i == 0
append_sql(arg)
else
@params << arg
end
end
end
self
end
def and(*args)
append_sql('and (')
if block_given?
@indent += 1
yield self
@indent -= 1
else
append(*args)
end
append_sql(')')
end
def or(*args)
append_sql('or (')
if block_given?
@indent += 1
yield self
@indent -= 1
else
append(*args)
end
append_sql(')')
end
def to_array
[@sql] + @params
end
def to_a
to_array
end
private
def append_sql(sql)
@indent.times { @sql << ' ' }
@sql << sql
@sql << "\n"
end
end
end
Version data entries
44 entries across 44 versions & 1 rubygems