mirror of https://github.com/citusdata/citus.git
29 lines
916 B
SQL
29 lines
916 B
SQL
SET search_path = 'pg_catalog';
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CREATE VIEW citus.citus_lock_waits AS
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WITH
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unique_global_wait_edges AS
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(
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SELECT DISTINCT ON(waiting_global_pid, blocking_global_pid) * FROM citus_internal_global_blocked_processes()
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)
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SELECT
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waiting.global_pid as waiting_gpid,
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blocking.global_pid as blocking_gpid,
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waiting.pid AS waiting_pid,
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blocking.pid AS blocking_pid,
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waiting.query AS blocked_statement,
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blocking.query AS current_statement_in_blocking_process,
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waiting.nodeid AS waiting_nodeid,
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blocking.nodeid AS blocking_nodeid
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FROM
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unique_global_wait_edges
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JOIN
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citus_dist_stat_activity waiting ON (unique_global_wait_edges.waiting_global_pid = waiting.global_pid)
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JOIN
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citus_dist_stat_activity blocking ON (unique_global_wait_edges.blocking_global_pid = blocking.global_pid);
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ALTER VIEW citus.citus_lock_waits SET SCHEMA pg_catalog;
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GRANT SELECT ON pg_catalog.citus_lock_waits TO PUBLIC;
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RESET search_path;
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