mirror of
https://github.com/ClusterCockpit/cc-backend
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11 lines
448 B
SQL
11 lines
448 B
SQL
-- Migration 12: Add covering index for grouped stats queries
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-- Column order: cluster (equality), hpc_user (GROUP BY), start_time (range scan)
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-- Includes aggregated columns to avoid main table lookups entirely.
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DROP INDEX IF EXISTS jobs_cluster_starttime_user_stats;
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CREATE INDEX IF NOT EXISTS jobs_cluster_user_starttime_stats
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ON job (cluster, hpc_user, start_time, duration, job_state, num_nodes, num_hwthreads, num_acc);
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PRAGMA optimize;
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