59 lines
980 B
Ruby
59 lines
980 B
Ruby
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# frozen_string_literal: true
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module Arel
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class UpdateManager < Arel::TreeManager
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def initialize
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super
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@ast = Nodes::UpdateStatement.new
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@ctx = @ast
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end
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def take limit
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@ast.limit = Nodes::Limit.new(Nodes.build_quoted(limit)) if limit
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self
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end
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def key= key
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@ast.key = Nodes.build_quoted(key)
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end
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def key
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@ast.key
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end
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def order *expr
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@ast.orders = expr
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self
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end
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###
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# UPDATE +table+
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def table table
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@ast.relation = table
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self
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end
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def wheres= exprs
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@ast.wheres = exprs
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end
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def where expr
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@ast.wheres << expr
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self
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end
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def set values
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if String === values
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@ast.values = [values]
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else
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@ast.values = values.map { |column,value|
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Nodes::Assignment.new(
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Nodes::UnqualifiedColumn.new(column),
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value
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)
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}
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end
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self
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end
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end
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end
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