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Optimizing person_content_combined migration. (#5819)

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Dessalines 2025-06-26 03:40:21 -04:00 committed by GitHub
parent cc61b70b29
commit 78fc703ebd
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1 changed files with 18 additions and 15 deletions
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33
migrations/2024-12-05-233704_add_person_content_combined_table/up.sql
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@ -5,9 +5,7 @@ CREATE TABLE person_content_combined (
id serial PRIMARY KEY,
published timestamptz NOT NULL,
post_id int UNIQUE REFERENCES post ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
comment_id int UNIQUE REFERENCES COMMENT ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
-- Make sure only one of the columns is not null
CHECK (num_nonnulls (post_id, comment_id) = 1)
comment_id int UNIQUE REFERENCES COMMENT ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE
);
CREATE INDEX idx_person_content_combined_published ON person_content_combined (published DESC, id DESC);
@ -32,19 +30,11 @@ FROM
CREATE TABLE person_saved_combined (
id serial PRIMARY KEY,
saved timestamptz NOT NULL,
person_id int NOT NULL REFERENCES person ON UPDATE CASCADE ON DELETE CASCADE,
post_id int REFERENCES post ON UPDATE CASCADE ON DELETE CASCADE,
comment_id int REFERENCES COMMENT ON UPDATE CASCADE ON DELETE CASCADE,
UNIQUE (person_id, post_id),
UNIQUE (person_id, comment_id),
-- Make sure only one of the columns is not null
CHECK (num_nonnulls (post_id, comment_id) = 1)
person_id int NOT NULL REFERENCES person ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
post_id int REFERENCES post ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE,
comment_id int REFERENCES COMMENT ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE
);
CREATE INDEX idx_person_saved_combined_published ON person_saved_combined (saved DESC, id DESC);
CREATE INDEX idx_person_saved_combined ON person_saved_combined (person_id);
-- Updating the history
INSERT INTO person_saved_combined (saved, person_id, post_id, comment_id)
SELECT
@ -67,7 +57,20 @@ FROM
WHERE
saved IS NOT NULL;
CREATE INDEX idx_person_saved_combined_published ON person_saved_combined (saved DESC, id DESC);
CREATE INDEX idx_person_saved_combined ON person_saved_combined (person_id);
ALTER TABLE person_saved_combined
ALTER CONSTRAINT person_saved_combined_person_id_fkey NOT DEFERRABLE,
ALTER CONSTRAINT person_saved_combined_post_id_fkey NOT DEFERRABLE,
ALTER CONSTRAINT person_saved_combined_comment_id_fkey NOT DEFERRABLE,
ADD CONSTRAINT person_saved_combined_person_id_post_id_key UNIQUE (person_id, post_id),
ADD CONSTRAINT person_saved_combined_person_id_comment_id_key UNIQUE (person_id, comment_id),
ADD CONSTRAINT person_saved_combined_check CHECK (num_nonnulls (post_id, comment_id) = 1);
ALTER TABLE person_content_combined
ALTER CONSTRAINT person_content_combined_post_id_fkey NOT DEFERRABLE,
ALTER CONSTRAINT person_content_combined_comment_id_fkey NOT DEFERRABLE;
ALTER CONSTRAINT person_content_combined_comment_id_fkey NOT DEFERRABLE,
ADD CONSTRAINT person_content_combined_check CHECK (num_nonnulls (post_id, comment_id) = 1);