Class: DDQL::TokenType::Query

Inherits:
Operator show all
Defined in:
lib/ddql/token_type.rb

Constant Summary

Constants inherited from Operator

Operator::NULL_TYPES

Constants inherited from DDQL::TokenType

ALL, CURRENCY_LITERAL, FACTOR, FACTOR_PATTERN, INFIXOPERATOR, INTEGER_LITERAL, LBRACE, LPAREN, NESTED_CLOSER, NESTED_CLOSE_PATTERN, NESTED_OPENER, NESTED_OPEN_PATTERN, NUMERIC_LITERAL, POSTFIXOPERATOR, PREFIXOPERATOR, RBRACE, RPAREN, SCI_NUM_LITERAL, SCREEN, SPECIAL_MARKER, STRING_LITERAL, SUB_Q_ALIAS, SUB_Q_EXPR, SUB_Q_FIELDS, SUB_Q_GROUP, SUB_Q_TYPE, WHITESPACE

Instance Attribute Summary

Attributes inherited from DDQL::TokenType

#label, #name, #pattern

Instance Method Summary collapse

Methods inherited from Operator

#comparison?, #complex_comparison?, #math?, #parse, #simple_comparison?

Methods inherited from DDQL::TokenType

#==, all_types_pattern, #comparison?, #data_from, #factor?, #group?, #infix?, #interpret, #interpreted_data_from, #literal?, #match?, #parse, #postfix?, #prefix?, #screen?, #skipping!, #supports_post_processing?, #trimming!

Constructor Details

#initialize ⇒ Query

Returns a new instance of Query.


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# File 'lib/ddql/token_type.rb', line 371

def initialize
  super(name: :query, pattern: /(?<=\{)(?<subquery>[^{}]+)(?=\{|\})/)
end

Instance Method Details

#as_hash(data) ⇒ Object 


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# File 'lib/ddql/token_type.rb', line 375

def as_hash(data)
  _initialize if @sub_query_pattern.nil?
  tokens = Lexer.lex(data, pattern: @sub_query_pattern, available_types: @parts)
  {agg: {op_is: 'IS'}, right: {null_value_type: data.split(' ').last}}
end

#expression? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/ddql/token_type.rb', line 381

def expression?
  true
end