21 lines
557 B
Ruby
21 lines
557 B
Ruby
require 'qx'
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module UpdateOrder
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# data is an array of hashes of:
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# - id : id of row to update
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# - order: new order of row to update
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def self.with_data(table_name, data)
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vals = data.map{|h| "(#{h[:id].to_i}, #{h[:order].to_i})"}.join(", ")
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from_str = "(VALUES #{vals}) AS data(id, \"order\")"
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return Qx.update("#{table_name}")
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.set('"order"="data"."order"')
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.timestamps
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.from(from_str)
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.where("data.id=#{table_name}.id")
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.returning("#{table_name}.order", "#{table_name}.id")
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.execute
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end
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end
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