989d53ba3b
MySQL does not support GROUP_BY and HAVING on UPDATE, we need to use a Subquery. Co-authored-by: Rafael Mendonça França <rafael@franca.dev>
33 lines
657 B
Ruby
33 lines
657 B
Ruby
# frozen_string_literal: true
|
|
|
|
module Arel # :nodoc: all
|
|
class DeleteManager < Arel::TreeManager
|
|
include TreeManager::StatementMethods
|
|
|
|
def initialize(table = nil)
|
|
@ast = Nodes::DeleteStatement.new(table)
|
|
end
|
|
|
|
def from(relation)
|
|
@ast.relation = relation
|
|
self
|
|
end
|
|
|
|
def group(columns)
|
|
columns.each do |column|
|
|
column = Nodes::SqlLiteral.new(column) if String === column
|
|
column = Nodes::SqlLiteral.new(column.to_s) if Symbol === column
|
|
|
|
@ast.groups.push Nodes::Group.new column
|
|
end
|
|
|
|
self
|
|
end
|
|
|
|
def having(expr)
|
|
@ast.havings << expr
|
|
self
|
|
end
|
|
end
|
|
end
|