Class: Cql::Model::Query::ComparisonExpression

Inherits:
Expression
  • Object
show all
Defined in:
lib/cql/model/query/comparison_expression.rb

Constant Summary collapse

OPERATORS =

Operators allowed in a where-clause lambda

{
  :==   => '=',
  :'!=' => '!=',
  :'>'  => '>',
  :'<'  => '<',
  :'>=' => '>=',
  :'<=' => '<=',
  :'in' => 'IN',
}.freeze
TYPECASTS =

Methods used to escape CQL column names that aren’t valid CQL identifiers

[
  :ascii,
  :bigint,
  :blob,
  :boolean,
  :counter,
  :decimal,
  :double,
  :float,
  :int,
  :text,
  :timestamp,
  :uuid,
  :timeuuid,
  :varchar,
  :varint
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(*params, &block) ⇒ ComparisonExpression

Returns a new instance of ComparisonExpression.



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# File 'lib/cql/model/query/comparison_expression.rb', line 37

def initialize(*params, &block)
  @left     = nil
  @operator = nil
  @right    = nil

  instance_exec(*params, &block) if block
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(token, *args) ⇒ Object 



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# File 'lib/cql/model/query/comparison_expression.rb', line 70

def method_missing(token, *args)
  __apply__(token, args)
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/cql/model/query/comparison_expression.rb', line 51

def inspect
  __build__
end

#to_s ⇒ Object 



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# File 'lib/cql/model/query/comparison_expression.rb', line 46

def to_s
  __build__
end