54 lines
1.5 KiB
Elixir
54 lines
1.5 KiB
Elixir
|
defmodule BdfrBrowser.Repo.Migrations.AddPostCommentFulltextSearch do
|
||
|
|
use Ecto.Migration
|
||
|
|
|
||
|
|
def up do
|
||
|
|
# Posts
|
||
|
|
execute """
|
||
|
|
ALTER TABLE posts
|
||
|
|
ADD COLUMN searchable_content tsvector
|
||
|
|
GENERATED ALWAYS AS (
|
||
|
|
setweight(to_tsvector('english', coalesce(title, '')), 'A') ||
|
||
|
|
setweight(to_tsvector('german', coalesce(title, '')), 'A') ||
|
||
|
|
setweight(to_tsvector('english', coalesce(selftext, '')), 'B') ||
|
||
|
|
setweight(to_tsvector('german', coalesce(selftext, '')), 'B') ||
|
||
|
|
setweight(to_tsvector('simple', coalesce(author, '')), 'C')
|
||
|
|
) STORED;
|
||
|
|
"""
|
||
|
|
|
||
|
|
execute """
|
||
|
|
CREATE INDEX posts_searchable_content_index ON posts USING gin(searchable_content);
|
||
|
|
"""
|
||
|
|
|
||
|
|
# Comments
|
||
|
|
execute """
|
||
|
|
ALTER TABLE comments
|
||
|
|
ADD COLUMN searchable_content tsvector
|
||
|
|
GENERATED ALWAYS AS (
|
||
|
|
setweight(to_tsvector('english', coalesce(body, '')), 'A') ||
|
||
|
|
setweight(to_tsvector('german', coalesce(body, '')), 'A') ||
|
||
|
|
setweight(to_tsvector('simple', coalesce(author, '')), 'B')
|
||
|
|
) STORED;
|
||
|
|
"""
|
||
|
|
|
||
|
|
execute """
|
||
|
|
CREATE INDEX comments_searchable_content_index ON comments USING gin(searchable_content);
|
||
|
|
"""
|
||
|
|
end
|
||
|
|
|
||
|
|
def down do
|
||
|
|
# Posts
|
||
|
|
drop index("posts", [:searchable_content])
|
||
|
|
|
||
|
|
alter table(:posts) do
|
||
|
|
remove :searchable_content
|
||
|
|
end
|
||
|
|
|
||
|
|
# Comments
|
||
|
|
drop index("comments", [:searchable_content])
|
||
|
|
|
||
|
|
alter table(:comments) do
|
||
|
|
remove :searchable_content
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|