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e298ecd532
We shouldnt reuse job ids to make it easy to recognize the job log entries for a job. We also need to keep the old job around to not break loading dumps from older versions.
115 lines
2.9 KiB
PL/PgSQL
115 lines
2.9 KiB
PL/PgSQL
-- This file and its contents are licensed under the Apache License 2.0.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-APACHE for a copy of the license.
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-- A retention policy is set up for the table _timescaledb_internal.job_errors (Error Log Retention Policy [2])
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-- By default, it will run once a month and and drop rows older than a month.
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CREATE OR REPLACE FUNCTION _timescaledb_functions.policy_job_stat_history_retention(job_id integer, config JSONB) RETURNS integer
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LANGUAGE PLPGSQL AS
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$BODY$
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DECLARE
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drop_after INTERVAL;
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numrows INTEGER;
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BEGIN
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drop_after := config->>'drop_after';
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DELETE
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FROM _timescaledb_internal.bgw_job_stat_history
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WHERE execution_finish < (now() - drop_after);
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GET DIAGNOSTICS numrows = ROW_COUNT;
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RETURN numrows;
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END;
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$BODY$ SET search_path TO pg_catalog, pg_temp;
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CREATE OR REPLACE FUNCTION _timescaledb_functions.policy_job_stat_history_retention_check(config JSONB) RETURNS VOID
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LANGUAGE PLPGSQL AS
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$BODY$
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BEGIN
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IF config IS NULL THEN
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RAISE EXCEPTION 'config cannot be NULL, and must contain drop_after';
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END IF;
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IF config->>'drop_after' IS NULL THEN
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RAISE EXCEPTION 'drop_after interval not provided';
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END IF ;
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END;
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$BODY$ SET search_path TO pg_catalog, pg_temp;
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-- this is the previous job that was created for the same purpose
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-- which has scheduled set to false. We need to keep it around to
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-- not break loading dumps from older versions.
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INSERT INTO _timescaledb_config.bgw_job (
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id,
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application_name,
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schedule_interval,
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max_runtime,
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max_retries,
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retry_period,
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proc_schema,
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proc_name,
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owner,
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scheduled,
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config,
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check_schema,
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check_name,
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fixed_schedule,
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initial_start
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)
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VALUES
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(
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2,
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'Error Log Retention Policy [2]',
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INTERVAL '1 month',
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INTERVAL '1 hour',
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-1,
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INTERVAL '1h',
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'_timescaledb_functions',
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'policy_job_error_retention',
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pg_catalog.quote_ident(current_role)::regrole,
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false,
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'{"drop_after":"1 month"}',
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'_timescaledb_functions',
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'policy_job_error_retention_check',
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false,
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'2000-01-01 00:00:00+00'::timestamptz
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) ON CONFLICT (id) DO NOTHING;
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INSERT INTO _timescaledb_config.bgw_job (
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id,
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application_name,
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schedule_interval,
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max_runtime,
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max_retries,
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retry_period,
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proc_schema,
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proc_name,
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owner,
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scheduled,
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config,
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check_schema,
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check_name,
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fixed_schedule,
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initial_start
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)
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VALUES
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(
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3,
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'Job History Log Retention Policy [3]',
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INTERVAL '1 month',
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INTERVAL '1 hour',
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-1,
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INTERVAL '1h',
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'_timescaledb_functions',
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'policy_job_stat_history_retention',
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pg_catalog.quote_ident(current_role)::regrole,
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true,
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'{"drop_after":"1 month"}',
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'_timescaledb_functions',
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'policy_job_stat_history_retention_check',
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true,
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'2000-01-01 00:00:00+00'::timestamptz
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) ON CONFLICT (id) DO NOTHING;
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