Class: Arel::Nodes::Node
- Includes:
- FactoryMethods
- Defined in:
- lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb
Overview
Abstract base class for all AST nodes
Direct Known Subclasses
BindParam, Comment, CurrentRow, DeleteStatement, HomogeneousIn, InsertStatement, NodeExpression, SelectCore, UpdateStatement, Window
Instance Method Summary collapse
-
#and(right) ⇒ Object
Factory method to create an Nodes::And node.
- #equality? ⇒ Boolean
- #fetch_attribute ⇒ Object
- #invert ⇒ Object
-
#not ⇒ Object
Factory method to create a Nodes::Not node that has the recipient of the caller as a child.
-
#or(right) ⇒ Object
Factory method to create a Nodes::Grouping node that has an Nodes::Or node as a child.
-
#to_sql(engine = Table.engine) ⇒ Object
FIXME: this method should go away.
Methods included from FactoryMethods
#coalesce, #create_and, #create_false, #create_join, #create_on, #create_string_join, #create_table_alias, #create_true, #grouping, #lower
Instance Method Details
#and(right) ⇒ Object
Factory method to create an Nodes::And node.
26 27 28 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb', line 26 def and(right) Nodes::And.new [self, right] end |
#equality? ⇒ Boolean
48 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb', line 48 def equality?; false; end |
#fetch_attribute ⇒ Object
45 46 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb', line 45 def fetch_attribute end |
#invert ⇒ Object
30 31 32 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb', line 30 def invert Arel::Nodes::Not.new(self) end |
#not ⇒ Object
Factory method to create a Nodes::Not node that has the recipient of the caller as a child.
13 14 15 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb', line 13 def not Nodes::Not.new self end |
#or(right) ⇒ Object
Factory method to create a Nodes::Grouping node that has an Nodes::Or node as a child.
20 21 22 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb', line 20 def or(right) Nodes::Grouping.new Nodes::Or.new(self, right) end |
#to_sql(engine = Table.engine) ⇒ Object
FIXME: this method should go away. I don’t like people calling to_sql on non-head nodes. This forces us to walk the AST until we can find a node that has a “relation” member.
Maybe we should just use ‘Table.engine`? :’(
39 40 41 42 43 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/activerecord-7.0.4/lib/arel/nodes/node.rb', line 39 def to_sql(engine = Table.engine) collector = Arel::Collectors::SQLString.new collector = engine.connection.visitor.accept self, collector collector.value end |