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Restructure migration_timescaledb

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With this restructuration we adjust the FK before we make the messages2
table a hypertable.

Fingers crossed that'll help

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>
This commit is contained in:
Pierre-Yves Chibon 2021-02-09 17:20:54 +01:00
parent c5ea7e4010
commit 9971f132fb
1 changed files with 42 additions and 30 deletions
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72
scripts/migration_timescaledb.sql
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@ -37,6 +37,9 @@ CREATE SEQUENCE public.messages2_id_seq
NO MAXVALUE
CACHE 1;
ALTER TABLE messages2
ADD CONSTRAINT messages2_pkey PRIMARY KEY (id, "timestamp");
ALTER TABLE public.messages2 OWNER TO datanommer;
ALTER TABLE public.messages2_id_seq OWNER TO datanommer;
-- ALTER SEQUENCE public.messages2_id_seq OWNED BY public.messages2.id;
@ -44,6 +47,36 @@ ALTER TABLE ONLY public.messages2 ALTER COLUMN id SET DEFAULT nextval('public.me
GRANT SELECT ON TABLE public.messages2 TO datagrepper;
GRANT SELECT ON SEQUENCE public.messages2_id_seq TO datagrepper;
-- user_messages2
CREATE TABLE user_messages2 (LIKE user_messages INCLUDING DEFAULTS INCLUDING ALL);
ALTER TABLE user_messages ADD "timestamp" timestamp without time zone;
ALTER TABLE user_messages2 ALTER "timestamp" SET NOT NULL;
ALTER TABLE user_messages2 DROP CONSTRAINT user_messages2_pkey;
ALTER TABLE user_messages2
ADD CONSTRAINT user_messages2_pkey PRIMARY KEY (username, msg, "timestamp");
ALTER TABLE user_messages2
ADD CONSTRAINT user_messages2_username_fkey
FOREIGN KEY (username) REFERENCES "user"(name) MATCH FULL;
ALTER TABLE user_messages2
ADD CONSTRAINT user_messages2_msg_fkey
FOREIGN KEY (msg, "timestamp") REFERENCES messages2(id, "timestamp") MATCH FULL;
-- package_messages2
CREATE TABLE package_messages2 (LIKE package_messages INCLUDING DEFAULTS INCLUDING ALL);
ALTER TABLE package_messages2 ADD "timestamp" timestamp without time zone;
ALTER TABLE package_messages2 ALTER "timestamp" SET NOT NULL;
ALTER TABLE package_messages2 DROP CONSTRAINT package_messages2_pkey;
ALTER TABLE package_messages2
ADD CONSTRAINT package_messages2_pkey PRIMARY KEY (package, msg, "timestamp");
ALTER TABLE package_messages2
ADD CONSTRAINT package_messages_package_fkey
FOREIGN KEY (package) REFERENCES package(name) MATCH FULL;
ALTER TABLE package_messages2
ADD CONSTRAINT package_messages2_msg_fkey
FOREIGN KEY (msg, "timestamp") REFERENCES messages2(id, "timestamp") MATCH FULL;
-- Convert the timestamp to the hypertable
SELECT create_hypertable('messages2', 'timestamp');
@ -53,6 +86,15 @@ SELECT create_hypertable('messages2', 'timestamp');
INSERT INTO messages2 (i,"timestamp",certificate,signature,topic,_msg,category,source_name,source_version,msg_id,_headers,username,crypto)
SELECT i,"timestamp",certificate,signature,topic,_msg,category,source_name,source_version,msg_id,_headers,username,crypto FROM messages ORDER BY messages.id;
INSERT INTO user_messages2 (username, msg,"timestamp")
SELECT user_messages.username, user_messages.msg, messages2.timestamp
from user_messages, messages2 where messages2.id = user_messages.msg;
INSERT INTO package_messages2 (package, msg,"timestamp")
SELECT package_messages.package, package_messages.msg, messages2.timestamp
from package_messages, messages2 where messages2.id = package_messages2.msg;
-- Create the indexes ones the data is in
CREATE INDEX index_msg2_category ON public.messages2 USING btree (category);
@ -64,44 +106,14 @@ CREATE INDEX messages2_datanommer_timestamp_topic_idx ON public.messages2 USING
-- Adjust user_messages
ALTER TABLE user_messages DROP CONSTRAINT user_messages_msg_fkey;
ALTER TABLE user_messages ADD "timestamp" timestamp without time zone;
UPDATE user_messages
SET "timestamp" = messages2.timestamp
FROM messages2
WHERE messages2.id = user_messages.msg;
ALTER TABLE user_messages ADD "timestamp" timestamp without time zone;
UPDATE user_messages
SET "timestamp" = messages2.timestamp
FROM messages2
WHERE user_messages.timestamp is NULL AND messages2.id = user_messages.msg;
ALTER TABLE user_messages ALTER "timestamp" SET NOT NULL;
ALTER TABLE user_messages
ADD CONSTRAINT user_messages_msg_fkey
FOREIGN KEY (msg, "timestamp") REFERENCES messages2(id, "timestamp") MATCH FULL;
-- Adjust package_messages
ALTER TABLE package_messages DROP CONSTRAINT package_messages_msg_fkey;
ALTER TABLE package_messages ADD "timestamp" timestamp without time zone;
UPDATE package_messages
SET "timestamp" = messages2.timestamp
FROM messages2
WHERE messages2.id = package_messages.msg;
ALTER TABLE user_messages ADD "timestamp" timestamp without time zone;
UPDATE user_messages
SET "timestamp" = messages2.timestamp
FROM messages2
WHERE user_messages.timestamp is NULL AND messages2.id = user_messages.msg;
ALTER TABLE user_messages ALTER "timestamp" SET NOT NULL;
ALTER TABLE package_messages
ADD CONSTRAINT package_messages_msg_fkey
FOREIGN KEY (msg, "timestamp") REFERENCES messages2(id, "timestamp") MATCH FULL;