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https://github.com/LemmyNet/lemmy.git
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9c3efe32e7
* First pass at adding comment trees. - Extracted comment replies into its own table. - Added ltree column to comment - Added parent_id param to GetComments to fetch a tree branch - No paging / limiting yet * Adding child_count to comment_aggregates. * Adding parent comment update counts * Fix unit tests. * Comment tree paging mostly done. * Fix clippy * Fix drone tests wrong postgres version. * Fix unit tests. * Add back in delete in unit test. * Add postgres upgrade script. * Fixing some PR comments. * Move update ltree into Comment::create * Updating based on comments. * Fix send soft fail.
25 lines
901 B
SQL
25 lines
901 B
SQL
alter table comment add column parent_id integer;
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-- Constraints and index
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alter table comment add constraint comment_parent_id_fkey foreign key (parent_id) REFERENCES comment(id) ON UPDATE CASCADE ON DELETE CASCADE;
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create index idx_comment_parent on comment (parent_id);
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-- Update the parent_id column
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-- subpath(subpath(0, -1), -1) gets the immediate parent but it fails null checks
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update comment set parent_id = cast(ltree2text(nullif(subpath(nullif(subpath(path, 0, -1), '0'), -1), '0')) as INTEGER);
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alter table comment drop column path;
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alter table comment_aggregates drop column child_count;
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drop extension ltree;
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-- Add back in the read column
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alter table comment add column read boolean default false not null;
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update comment c set read = cr.read
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from comment_reply cr where cr.comment_id = c.id;
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create view comment_alias_1 as select * from comment;
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drop table comment_reply;
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