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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>
32 lines
657 B
Ruby
32 lines
657 B
Ruby
# frozen_string_literal: true
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module Arel # :nodoc: all
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class DeleteManager < Arel::TreeManager
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include TreeManager::StatementMethods
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def initialize(table = nil)
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@ast = Nodes::DeleteStatement.new(table)
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end
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def from(relation)
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@ast.relation = relation
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self
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end
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def group(columns)
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columns.each do |column|
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column = Nodes::SqlLiteral.new(column) if String === column
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column = Nodes::SqlLiteral.new(column.to_s) if Symbol === column
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@ast.groups.push Nodes::Group.new column
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end
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self
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end
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def having(expr)
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@ast.havings << expr
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self
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end
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end
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end
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