Class: ActiveRecord::Refined::AST::Node

Inherits:

Object

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

Defined in:

lib/active_record/refined/ast.rb

Overview

An expression a block has built, whatever it was built from. The methods here are what every one takes; most subclasses add the conditions of Predications and the operators of Arithmetics.

Direct Known Subclasses

Aggregate, Arithmetic, As, Bitwise, BitwiseNot, Case, Case::When, Cast, Collate, Column, DatetimeValueFunction, Extract, Function, GroupingSets, JsonAggregate, JsonBuild, JsonExcept, JsonKeys, JsonLiteral, JsonPath, JsonSet, Operation, Ordering, Over, Predicate, Quantified, Sql, StringAggregate, Value

Instance Method Summary

• #as(alias_name, quote: true) ⇒ AST::As

  The expression under an alias, as BlockSyntax#as gives a column one.

• #asc ⇒ AST::Ordering

  An ascending ordering by the expression.

• #collate(name) ⇒ AST::Collate

  The expression under a collation, as BlockSyntax#collate.

• #desc ⇒ AST::Ordering

  A descending ordering by the expression.

Instance Method Details

#as(alias_name, quote: true) ⇒ AST::As

The expression under an alias, as BlockSyntax#as gives a column one.

Returns:

• (AST::As)

# File 'lib/active_record/refined/ast.rb', line 659

def as(alias_name, quote: true)
  As.new(self, alias_name, quote: quote)
end

#asc ⇒ AST::Ordering

An ascending ordering by the expression.

Returns:

• (AST::Ordering)

# File 'lib/active_record/refined/ast.rb', line 665

def asc
  Ordering.new(self, :asc)
end

#collate(name) ⇒ AST::Collate

The expression under a collation, as BlockSyntax#collate.

Returns:

• (AST::Collate)

# File 'lib/active_record/refined/ast.rb', line 677

def collate(name)
  Collate.new(self, name)
end

#desc ⇒ AST::Ordering

A descending ordering by the expression.

Returns:

• (AST::Ordering)

# File 'lib/active_record/refined/ast.rb', line 671

def desc
  Ordering.new(self, :desc)
end