perf: bring back index measurements.published_at (#286)

Our observability tooling needs to find the oldest measurement, which is expensive to do without an index. Signed-off-by: Miroslav Bajtoš <[email protected]>
CheckerNetwork · May 14, 2024 · ee260cf · ee260cf
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commit ee260cf
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diff --git a/migrations/050.do.index-measurements-by-time.sql b/migrations/050.do.index-measurements-by-time.sql
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+CREATE INDEX CONCURRENTLY measurements_finished_at ON measurements (finished_at);