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Index changeset comments by changeset and date

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This commit is contained in:
Tom Hughes 2020-10-06 23:10:52 +01:00
parent 1946c84f71
commit 06a98ad983
2 changed files with 17 additions and 21 deletions
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8
db/migrate/20201006220807_add_changeset_index_to_changeset_comments.rb Normal file
View file

@ -0,0 +1,8 @@
class AddChangesetIndexToChangesetComments < ActiveRecord::Migration[6.0]
disable_ddl_transaction!
def change
remove_index :changeset_comments, [:author_id, :created_at]
add_index :changeset_comments, [:changeset_id, :created_at], :algorithm => :concurrently
end
end

30
db/structure.sql
View file

@ -1,5 +1,6 @@
SET statement_timeout = 0;
SET lock_timeout = 0;
SET idle_in_transaction_session_timeout = 0;
SET client_encoding = 'UTF8';
SET standard_conforming_strings = on;
SELECT pg_catalog.set_config('search_path', '', false);
@ -8,20 +9,6 @@ SET xmloption = content;
SET client_min_messages = warning;
SET row_security = off;
--
-- Name: plpgsql; Type: EXTENSION; Schema: -; Owner: -
--
CREATE EXTENSION IF NOT EXISTS plpgsql WITH SCHEMA pg_catalog;
--
-- Name: EXTENSION plpgsql; Type: COMMENT; Schema: -; Owner: -
--
COMMENT ON EXTENSION plpgsql IS 'PL/pgSQL procedural language';
--
-- Name: btree_gist; Type: EXTENSION; Schema: -; Owner: -
--
@ -190,7 +177,7 @@ $$;
--
CREATE FUNCTION public.xid_to_int4(t xid) RETURNS integer
LANGUAGE plpgsql STRICT
LANGUAGE plpgsql IMMUTABLE STRICT
AS $$
DECLARE
tl bigint;
@ -211,7 +198,7 @@ $$;
SET default_tablespace = '';
SET default_with_oids = false;
SET default_table_access_method = heap;
--
-- Name: acls; Type: TABLE; Schema: public; Owner: -
@ -321,8 +308,8 @@ ALTER SEQUENCE public.active_storage_blobs_id_seq OWNED BY public.active_storage
CREATE TABLE public.ar_internal_metadata (
key character varying NOT NULL,
value character varying,
created_at timestamp(6) without time zone NOT NULL,
updated_at timestamp(6) without time zone NOT NULL
created_at timestamp without time zone NOT NULL,
updated_at timestamp without time zone NOT NULL
);
@ -1322,9 +1309,9 @@ CREATE TABLE public.user_preferences (
CREATE TABLE public.user_roles (
id integer NOT NULL,
user_id bigint NOT NULL,
role public.user_role_enum NOT NULL,
created_at timestamp without time zone,
updated_at timestamp without time zone,
role public.user_role_enum NOT NULL,
granter_id bigint NOT NULL
);
@ -2256,10 +2243,10 @@ CREATE UNIQUE INDEX index_active_storage_blobs_on_key ON public.active_storage_b
--
-- Name: index_changeset_comments_on_author_id_and_created_at; Type: INDEX; Schema: public; Owner: -
-- Name: index_changeset_comments_on_changeset_id_and_created_at; Type: INDEX; Schema: public; Owner: -
--
CREATE INDEX index_changeset_comments_on_author_id_and_created_at ON public.changeset_comments USING btree (author_id, created_at);
CREATE INDEX index_changeset_comments_on_changeset_id_and_created_at ON public.changeset_comments USING btree (changeset_id, created_at);
--
@ -3146,6 +3133,7 @@ INSERT INTO "schema_migrations" (version) VALUES
('20190716173946'),
('20191120140058'),
('20201006213836'),
('20201006220807'),
('21'),
('22'),
('23'),