Commit 3229c7a1 authored by rinpatch's avatar rinpatch
Browse files

Ensure fts is prefered over trigram and use union_all instead of union in user search query

parent 519a294d
Pipeline #9251 passed with stages
in 7 minutes and 33 seconds
......@@ -50,6 +50,7 @@ defmodule Pleroma.User do
field(:local, :boolean, default: true)
field(:follower_address, :string)
field(:search_rank, :float, virtual: true)
field(:search_type, :integer, virtual: true)
field(:tags, {:array, :string}, default: [])
field(:bookmarks, {:array, :string}, default: [])
field(:last_refreshed_at, :naive_datetime_usec)
......@@ -835,8 +836,8 @@ def search(query, resolve \\ false, for_user \\ nil) do
def search_query(query, for_user) do
fts_subquery = fts_search_subquery(query)
trigram_subquery = trigram_search_subquery(query)
union_query = from(s in trigram_subquery, union: ^fts_subquery)
distinct_query = from(s in subquery(union_query), distinct: s.id)
union_query = from(s in trigram_subquery, union_all: ^fts_subquery)
distinct_query = from(s in subquery(union_query), order_by: s.search_type, distinct: s.id)
from(s in subquery(boost_search_rank_query(distinct_query, for_user)),
order_by: [desc: s.search_rank],
......@@ -884,6 +885,7 @@ defp fts_search_subquery(term, query \\ User) do
from(
u in query,
select_merge: %{
search_type: ^0,
search_rank:
fragment(
"""
......@@ -916,6 +918,8 @@ defp trigram_search_subquery(term) do
from(
u in User,
select_merge: %{
# ^1 gives 'Postgrex expected a binary, got 1' for some weird reason
search_type: fragment("?", 1),
search_rank:
fragment(
"similarity(?, trim(? || ' ' || coalesce(?, '')))",
......
......@@ -879,7 +879,11 @@ test "finds a user by full or partial nickname" do
user = insert(:user, %{nickname: "john"})
Enum.each(["john", "jo", "j"], fn query ->
assert user == User.search(query) |> List.first() |> Map.put(:search_rank, nil)
assert user ==
User.search(query)
|> List.first()
|> Map.put(:search_rank, nil)
|> Map.put(:search_type, nil)
end)
end
......@@ -887,7 +891,11 @@ test "finds a user by full or partial name" do
user = insert(:user, %{name: "John Doe"})
Enum.each(["John Doe", "JOHN", "doe", "j d", "j", "d"], fn query ->
assert user == User.search(query) |> List.first() |> Map.put(:search_rank, nil)
assert user ==
User.search(query)
|> List.first()
|> Map.put(:search_rank, nil)
|> Map.put(:search_type, nil)
end)
end
......@@ -941,6 +949,7 @@ test "finds a user whose name is nil" do
User.search("lain@pleroma.soykaf.com")
|> List.first()
|> Map.put(:search_rank, nil)
|> Map.put(:search_type, nil)
end
test "does not yield false-positive matches" do
......@@ -958,7 +967,7 @@ test "works with URIs" do
user = User.get_by_ap_id("http://mastodon.example.org/users/admin")
assert length(results) == 1
assert user == result |> Map.put(:search_rank, nil)
assert user == result |> Map.put(:search_rank, nil) |> Map.put(:search_type, nil)
end
end
......
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