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[+] add more job control functions #721

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Merged
pashagolub merged 2 commits into from
Oct 1, 2025
Merged

[+] add more job control functions #721

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806748a
[+] add more job control functions
pashagolub Oct 1, 2025
71338e0
add schema migration
pashagolub Oct 1, 2025
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6 changes: 6 additions & 0 deletions internal/pgengine/migration.go
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,12 @@ var Migrations func() migrator.Option = func() migrator.Option {
return ExecuteMigrationScript(ctx, tx, "00629.sql")
},
},
&migrator.Migration{
Name: "00721 Add more job control functions",
Func: func(ctx context.Context, tx pgx.Tx) error {
return ExecuteMigrationScript(ctx, tx, "00721.sql")
},
},
// adding new migration here, update "timetable"."migration" in "sql/init.sql"
// and "dbapi" variable in main.go!

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26 changes: 21 additions & 5 deletions internal/pgengine/sql/job_functions.sql
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Expand Up @@ -125,6 +125,14 @@ $$ LANGUAGE SQL;

COMMENT ON FUNCTION timetable.move_task_down IS 'Switch the order of the task execution with a following task within the chain';

-- delete_task() will delete the task from a chain
CREATE OR REPLACE FUNCTION timetable.delete_task(IN task_id BIGINT) RETURNS boolean AS $$
WITH del_task AS (DELETE FROM timetable.task WHERE task_id = $1 RETURNING task_id)
SELECT EXISTS(SELECT 1 FROM del_task)
$$ LANGUAGE SQL;

COMMENT ON FUNCTION timetable.delete_task IS 'Delete the task from a chain';

-- delete_job() will delete the chain and its tasks from the system
CREATE OR REPLACE FUNCTION timetable.delete_job(IN job_name TEXT) RETURNS boolean AS $$
WITH del_chain AS (DELETE FROM timetable.chain WHERE chain.chain_name = $1 RETURNING chain_id)
Expand All @@ -133,10 +141,18 @@ $$ LANGUAGE SQL;

COMMENT ON FUNCTION timetable.delete_job IS 'Delete the chain and its tasks from the system';

-- delete_task() will delete the task from a chain
CREATE OR REPLACE FUNCTION timetable.delete_task(IN task_id BIGINT) RETURNS boolean AS $$
WITH del_task AS (DELETE FROM timetable.task WHERE task_id = $1 RETURNING task_id)
SELECT EXISTS(SELECT 1 FROM del_task)
-- pause_job() will pause the chain (set live = false)
CREATE OR REPLACE FUNCTION timetable.pause_job(IN job_name TEXT) RETURNS boolean AS $$
WITH upd_chain AS (UPDATE timetable.chain SET live = false WHERE chain.chain_name = $1 RETURNING chain_id)
SELECT EXISTS(SELECT 1 FROM upd_chain)
$$ LANGUAGE SQL;

COMMENT ON FUNCTION timetable.pause_job IS 'Pause the chain (set live = false)';

-- resume_job() will resume the chain (set live = true)
CREATE OR REPLACE FUNCTION timetable.resume_job(IN job_name TEXT) RETURNS boolean AS $$
WITH upd_chain AS (UPDATE timetable.chain SET live = true WHERE chain.chain_name = $1 RETURNING chain_id)
SELECT EXISTS(SELECT 1 FROM upd_chain)
$$ LANGUAGE SQL;

COMMENT ON FUNCTION timetable.delete_task IS 'Delete the task from a chain';
COMMENT ON FUNCTION timetable.resume_job IS 'Resume the chain (set live = true)';
15 changes: 15 additions & 0 deletions internal/pgengine/sql/migrations/00721.sql
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@@ -0,0 +1,15 @@
-- pause_job() will pause the chain (set live = false)
CREATE OR REPLACE FUNCTION timetable.pause_job(IN job_name TEXT) RETURNS boolean AS $$
WITH upd_chain AS (UPDATE timetable.chain SET live = false WHERE chain.chain_name = $1 RETURNING chain_id)
SELECT EXISTS(SELECT 1 FROM upd_chain)
$$ LANGUAGE SQL;

COMMENT ON FUNCTION timetable.pause_job IS 'Pause the chain (set live = false)';

-- resume_job() will resume the chain (set live = true)
CREATE OR REPLACE FUNCTION timetable.resume_job(IN job_name TEXT) RETURNS boolean AS $$
WITH upd_chain AS (UPDATE timetable.chain SET live = true WHERE chain.chain_name = $1 RETURNING chain_id)
SELECT EXISTS(SELECT 1 FROM upd_chain)
$$ LANGUAGE SQL;

COMMENT ON FUNCTION timetable.resume_job IS 'Resume the chain (set live = true)';
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