Method: Arel::Nodes::BoundSqlLiteral#initialize

Defined in:
activerecord/lib/arel/nodes/bound_sql_literal.rb

#initialize(sql_with_placeholders, positional_binds, named_binds) ⇒ BoundSqlLiteral

Returns a new instance of BoundSqlLiteral.



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# File 'activerecord/lib/arel/nodes/bound_sql_literal.rb', line 8

def initialize(sql_with_placeholders, positional_binds, named_binds)
  has_positional = !(positional_binds.nil? || positional_binds.empty?)
  has_named = !(named_binds.nil? || named_binds.empty?)

  if has_positional
    if has_named
      raise BindError.new("cannot mix positional and named binds", sql_with_placeholders)
    end
    if positional_binds.size != (expected = sql_with_placeholders.count("?"))
      raise BindError.new("wrong number of bind variables (#{positional_binds.size} for #{expected})", sql_with_placeholders)
    end
  elsif has_named
    tokens_in_string = sql_with_placeholders.scan(/:(?<!::)([a-zA-Z]\w*)/).flatten.map(&:to_sym).uniq
    tokens_in_hash = named_binds.keys.map(&:to_sym).uniq

    if !(missing = (tokens_in_string - tokens_in_hash)).empty?
      if missing.size == 1
        raise BindError.new("missing value for #{missing.first.inspect}", sql_with_placeholders)
      else
        raise BindError.new("missing values for #{missing.inspect}", sql_with_placeholders)
      end
    end
  end

  @sql_with_placeholders = sql_with_placeholders
  if has_positional
    @positional_binds = positional_binds
    @named_binds = nil
  else
    @positional_binds = nil
    @named_binds = named_binds
  end
end