Class: Believer::WhereClause

Inherits:
Object
  • Object
show all
Includes:
CqlHelper
Defined in:
lib/believer/where_clause.rb

Constant Summary

Constants included from CqlHelper

CqlHelper::CQL_TIMESTAMP_FORMAT

Instance Method Summary collapse

Methods included from CqlHelper

#escape_special_chars, #to_cql_literal, #to_cql_properties, #to_hex_literal

Constructor Details

#initialize(*args) ⇒ WhereClause

Returns a new instance of WhereClause.



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# File 'lib/believer/where_clause.rb', line 6

def initialize(*args)
  if args.any?
    if args[0].is_a?(Hash)
      @value_map = args[0]
    else
      @where_string = args[0]
      @bindings = args.slice(1, args.length - 1)
    end
  end
end

Instance Method Details

#to_cql ⇒ Object 



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# File 'lib/believer/where_clause.rb', line 17

def to_cql
  if @value_map && @value_map.any?
    return @value_map.keys.map {|k| create_expression(k, @value_map[k])}.join(' AND ')
  end
  binding_index = 0
  ws = @where_string.gsub(/\?/) { |match|
    rep_val = to_cql_literal(@bindings[binding_index])
    binding_index += 1
    rep_val
  }
  ws
end