37 lines
1.5 KiB
SQL
37 lines
1.5 KiB
SQL
-- Plain SQL version of fix-srs-queries.sql for clients that don't support psql meta-commands
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-- Configure the two variables below before running (edit them in the file):
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-- set lookback_days = 365; set window_seconds = 10;
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-- Edit these values as needed
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-- Configure the two variables below before running (edit them in the file):
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-- set lookback_days = 365; set window_seconds = 10;
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-- Preview rows to be changed (edit values in the CTE if needed)
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WITH vars AS (
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SELECT 365::int AS lookback_days, 10::int AS window_seconds
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)
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SELECT id, item_key, course_id, stage, next_due_at, created_at
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FROM community.vocab_srs_item
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WHERE created_at >= now() - make_interval(days => (SELECT lookback_days FROM vars))
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AND (
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next_due_at = created_at
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OR abs(EXTRACT(EPOCH FROM (next_due_at - created_at))) <= (SELECT window_seconds FROM vars)
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)
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ORDER BY created_at ASC
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LIMIT 200;
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-- Conservative update: set next_due_at to next calendar day at 08:00
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WITH vars AS (
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SELECT 365::int AS lookback_days, 10::int AS window_seconds
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)
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UPDATE community.vocab_srs_item
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SET next_due_at = date_trunc('day', created_at + interval '1 day') + interval '8 hours'
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WHERE created_at >= now() - make_interval(days => (SELECT lookback_days FROM vars))
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AND (
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next_due_at = created_at
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OR abs(EXTRACT(EPOCH FROM (next_due_at - created_at))) <= (SELECT window_seconds FROM vars)
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)
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RETURNING id, item_key, course_id, stage, next_due_at, created_at;
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-- After running, re-run `node backend/scripts/diag-srs-stats.js` to validate counts.
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