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fix: don't evaluate unknown types in basic operators

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Zach Daniel 2023-08-18 11:37:20 -04:00
parent e976956254
commit 6136ca693b
1 changed files with 32 additions and 13 deletions
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45
lib/ash/query/operator/basic.ex
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@ -1,20 +1,26 @@
defmodule Ash.Query.Operator.Basic do
require Decimal
@operators [
plus: [
symbol: :+,
no_nils: true
no_nils: true,
evaluate_types: :numbers
],
times: [
symbol: :*,
no_nils: true
no_nils: true,
evaluate_types: :numbers
],
minus: [
symbol: :-,
no_nils: true
no_nils: true,
evaluate_types: :numbers
],
div: [
symbol: :/,
no_nils: true
no_nils: true,
evaluate_types: :numbers
],
concat: [
symbol: :<>,
@ -110,15 +116,28 @@ defmodule Ash.Query.Operator.Basic do
{:known, Comp.greater_or_equal?(left, right)}
end
defp do_evaluate(op, left, right) do
if Decimal.is_decimal(left) || Decimal.is_decimal(right) do
case op do
:+ -> {:known, Decimal.add(to_decimal(left), to_decimal(right))}
:* -> {:known, Decimal.mult(to_decimal(left), to_decimal(right))}
:- -> {:known, Decimal.sub(to_decimal(left), to_decimal(right))}
:/ -> {:known, Decimal.div(to_decimal(left), to_decimal(right))}
end
else
defp do_evaluate(op, left, right)
when Decimal.is_decimal(left) or Decimal.is_decimal(right) do
case op do
:+ -> {:known, Decimal.add(to_decimal(left), to_decimal(right))}
:* -> {:known, Decimal.mult(to_decimal(left), to_decimal(right))}
:- -> {:known, Decimal.sub(to_decimal(left), to_decimal(right))}
:/ -> {:known, Decimal.div(to_decimal(left), to_decimal(right))}
end
end
if unquote(opts[:evaluate_types]) == :numbers do
defp do_evaluate(op, left, right)
when not ((is_integer(left) or is_float(left)) and
(is_integer(right) or is_float(right))) do
:unknown
end
defp do_evaluate(op, left, right) do
{:known, apply(Kernel, unquote(opts[:symbol]), [left, right])}
end
else
defp do_evaluate(op, left, right) do
{:known, apply(Kernel, unquote(opts[:symbol]), [left, right])}
end
end