Class: ActiveRecord::Refined::AST::JsonExcept

Inherits:

Node

• Object
• Node
• ActiveRecord::Refined::AST::JsonExcept

Includes:

JsonComparable, JsonSteps, Predications

Defined in:

lib/active_record/refined/ast.rb

Overview

Keys taken out of a JSON document. PostgreSQL subtracts them, the other two remove a path apiece.

Instance Attribute Summary

• #keys ⇒ Object readonly

  Returns the value of attribute keys.

• #operand ⇒ Object readonly

  Returns the value of attribute operand.

Instance Method Summary

• #initialize(operand, keys) ⇒ JsonExcept constructor

  A new instance of JsonExcept.

• #json_value? ⇒ Boolean
• #to_arel(table, model) ⇒ Object

Methods included from JsonComparable

#between?, #in?, #not_between?, #not_in?, #~

Methods included from JsonSteps

#check_steps, #dollar_path, #dollar_step, #escape_step, #steps_array

Methods included from Predications

#!=, #!~, #<, #<=, #==, #=~, #>, #>=, #between?, #bury, #casecmp?, #contains?, #dig, #dig_text, #distinct_from?, #end_with?, #except, #false?, #ilike?, #in?, #include?, #intersect?, #key?, #like?, #member?, #not_between?, #not_distinct_from?, #not_false?, #not_ilike?, #not_in?, #not_like?, #not_null?, #not_true?, #null?, #start_with?, #subset?, #superset?, #true?, #when

Methods inherited from Node

#as, #asc, #collate, #desc

Constructor Details

#initialize(operand, keys) ⇒ JsonExcept

Returns a new instance of JsonExcept.

# File 'lib/active_record/refined/ast.rb', line 1080

def initialize(operand, keys)
  @operand = operand
  @keys = check_keys(keys)
end

Instance Attribute Details

#keys ⇒ Object (readonly)

Returns the value of attribute keys.

# File 'lib/active_record/refined/ast.rb', line 1078

def keys
  @keys
end

#operand ⇒ Object (readonly)

Returns the value of attribute operand.

# File 'lib/active_record/refined/ast.rb', line 1078

def operand
  @operand
end

Instance Method Details

#json_value? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/active_record/refined/ast.rb', line 1085

def json_value?
  true
end

#to_arel(table, model) ⇒ Object

# File 'lib/active_record/refined/ast.rb', line 1089

def to_arel(table, model)
  Dialect.for(model).json_remove(
    to_arel_operand(operand, table, model),
    keys.map { |key| "$#{dollar_step(key)}" },
    steps_array(keys), model)
end