Abstract base class for all AST nodes
Factory method to create an Nodes::And node.
# File lib/arel/nodes/node.rb, line 25 25: def and right 26: Nodes::And.new [self, right] 27: end
Iterate through AST, nodes will be yielded depth-first
# File lib/arel/nodes/node.rb, line 39 39: def each &block 40: return enum_for(:each) unless block_given? 41: 42: ::Arel::Visitors::DepthFirst.new(block).accept self 43: end
Factory method to create a Nodes::Not node that has the recipient of the caller as a child.
# File lib/arel/nodes/node.rb, line 12 12: def not 13: Nodes::Not.new self 14: end
Factory method to create a Nodes::Grouping node that has an Nodes::Or node as a child.
# File lib/arel/nodes/node.rb, line 19 19: def or right 20: Nodes::Grouping.new Nodes::Or.new(self, right) 21: end
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`? :’(
# File lib/arel/nodes/node.rb, line 34 34: def to_sql engine = Table.engine 35: engine.connection.visitor.accept self 36: end
Disabled; run with --debug to generate this.
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