From 7f0c49c58ab75bbd6b4dc44d47a8c4ab57db9d51 Mon Sep 17 00:00:00 2001 From: abcang Date: Sun, 25 Apr 2021 13:33:28 +0900 Subject: Improve tag search query (#16104) --- ...210421121431_add_case_insensitive_btree_index_to_tags.rb | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 db/migrate/20210421121431_add_case_insensitive_btree_index_to_tags.rb (limited to 'db/migrate') diff --git a/db/migrate/20210421121431_add_case_insensitive_btree_index_to_tags.rb b/db/migrate/20210421121431_add_case_insensitive_btree_index_to_tags.rb new file mode 100644 index 000000000..ed359e8cd --- /dev/null +++ b/db/migrate/20210421121431_add_case_insensitive_btree_index_to_tags.rb @@ -0,0 +1,13 @@ +class AddCaseInsensitiveBtreeIndexToTags < ActiveRecord::Migration[5.2] + disable_ddl_transaction! + + def up + safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower_btree ON tags (lower(name) text_pattern_ops)' } + remove_index :tags, name: 'index_tags_on_name_lower' + end + + def down + safety_assured { execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower ON tags (lower(name))' } + remove_index :tags, name: 'index_tags_on_name_lower_btree' + end +end -- cgit