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19 lines
864 B
MySQL
19 lines
864 B
MySQL
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CREATE FUNCTION reverse_timestamp_sort (t timestamp with time zone)
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RETURNS bigint
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AS $$
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BEGIN
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RETURN (-1000000 * EXTRACT(EPOCH FROM t))::bigint;
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END;
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$$
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LANGUAGE plpgsql
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IMMUTABLE PARALLEL SAFE;
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CREATE INDEX idx_post_aggregates_community_published_asc ON public.post_aggregates USING btree (community_id, featured_local DESC, reverse_timestamp_sort (published) DESC);
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CREATE INDEX idx_post_aggregates_featured_community_published_asc ON public.post_aggregates USING btree (community_id, featured_community DESC, reverse_timestamp_sort (published) DESC);
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CREATE INDEX idx_post_aggregates_featured_local_published_asc ON public.post_aggregates USING btree (featured_local DESC, reverse_timestamp_sort (published) DESC);
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CREATE INDEX idx_post_aggregates_published_asc ON public.post_aggregates USING btree (reverse_timestamp_sort (published) DESC);
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