v4.3.0

Changelog 🛑🪜📎

[!] add built-in "Shutdown" task to stop pg_timetable session, closes #322 716be98 e4cd1b0
[!] refactor timetable.task as plain schema without tree-like dependencies, resolves #334 7ca9a44
[+] add job_exclusive parameter to timetable.add_job() cf20851
[+] add Scheduler.SendChain() and Scheduler.SendIntevalChain() methods 8216879
[+] add Scheduler.Shutdown() method e4cd1b0
[+] add scheduler.ShutdownStatus constant e4cd1b0
[+] add Scheduler.terminateChains() method e4cd1b0
[+] add Shutdown.sql sample e4cd1b0
[+] add Shutdown definition to the manual 716be98
[+] add Gitpod workspaces support, closes #351 (#352) d05c634 0321faa
[+] built-in "SendMail" task now can read attachments data from parameters by @ukolovda d7d227b
[+] bump jackc/pgconn to 1.10.1 181e26b
[+] bump jackc/pgtype to 1.9.0 181e26b
[+] increase chain channels capacity to prevent possible deadlock eba52fd
[+] "Open in Gitpod" button added 1240517
[*] add database migration and comments to functions 5882ffa
[*] add function comments to the migration script 6ce5823
[*] adopt TestSampeScripts() to the new Shutdown.sql sample 7d0e84b
[*] improve scheduler package coverage 6ee6c69
[*] prettify migrator tests 022046d
[*] rename PgEngine.MustCommitTransaction() to PgEngine.CommitTransaction() e4cd1b0
[*] rename PgEngine.MustRollbackTransaction() to PgEngine.RollbackTransaction() e4cd1b0
[*] rewrite samples according to the new schema ec378cd
[-] fix "cannot stop chain execution with timetable.notify_chain_stop()", closes #332 2c36ef6
[-] fix failed migration to plain ordering if task table was not empty, fixes #344 17a2055
[-] fix query in PgEngine.GetChainParamValues() 26d9b90
[-] fix task marked as successful even if retCode != 0 and IgnoreError is False, fixes #336 bad99d0
[-] implement non-blocking channel sending to avoid deadlock 56dd433
[-] increase connConfig.MaxConns property value to avoid deadlock, fixed #350 3cf7b7a

Full Changelog: v4.2.0...v4.3.0