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be stricter about boolean optimization

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byte[] 2019-12-15 11:19:34 -05:00
parent 8a7ca9dbcb
commit 627dfbefdb
1 changed files with 10 additions and 4 deletions
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12
lib/search/parser.ex
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@ -274,19 +274,25 @@ defmodule Search.Parser do
end
# Flattens the child of a disjunction or conjunction to improve performance.
defp flatten_disjunction_child(this_child, %{bool: %{should: next_child}}),
defp flatten_disjunction_child(this_child, %{bool: %{should: next_child}} = child)
when child == %{bool: %{should: next_child}} and is_list(next_child),
do: %{bool: %{should: [this_child | next_child]}}
defp flatten_disjunction_child(this_child, next_child),
do: %{bool: %{should: [this_child, next_child]}}
defp flatten_conjunction_child(this_child, %{bool: %{must: next_child}}),
defp flatten_conjunction_child(this_child, %{bool: %{must: next_child}} = child)
when child == %{bool: %{must: next_child}} and is_list(next_child),
do: %{bool: %{must: [this_child | next_child]}}
defp flatten_conjunction_child(this_child, next_child),
do: %{bool: %{must: [this_child, next_child]}}
# Flattens the child of a negation to eliminate double negation.
defp flatten_negation_child(%{bool: %{must_not: next_child}}),
defp flatten_negation_child(%{bool: %{must_not: next_child}} = child)
when child == %{bool: %{must_not: next_child}} and is_map(next_child),
do: next_child
defp flatten_negation_child(next_child),
do: %{bool: %{must_not: next_child}}
end