Re: Logical Replication of sequences - Mailing list pgsql-hackers

From vignesh C
Subject Re: Logical Replication of sequences
Date
Msg-id CALDaNm3fAmDy4N8L06u3kPkYFDGBqPif-XBdqhTPjPZ2qoKgzQ@mail.gmail.com
Whole thread Raw
In response to Re: Logical Replication of sequences  (Peter Smith <smithpb2250@gmail.com>)
Responses Re: Logical Replication of sequences
Re: Logical Replication of sequences
List pgsql-hackers
On Thu, 24 Apr 2025 at 05:07, Peter Smith <smithpb2250@gmail.com> wrote:
>
> Hi Vignesh,
>
> Some review comments for patch v20250422-0003.
>
> ======
> src/backend/replication/logical/syncutils.c
>
> 1.
> +/*
> + * Exit routine for synchronization worker.
> + */
> +pg_noreturn void
> +SyncFinishWorker(void)
>
> Why does this have the pg_noreturn annotation? None of the other void
> functions do.

It indicates that the function will not return control flow to the
calling function after it finishes. This is not a new function, it was
just moved from tablesync.c
> ======
> src/include/replication/worker_internal.h
>
> 4.
> @@ -250,6 +252,7 @@ extern void logicalrep_worker_stop(Oid subid, Oid relid);
>  extern void logicalrep_pa_worker_stop(ParallelApplyWorkerInfo *winfo);
>  extern void logicalrep_worker_wakeup(Oid subid, Oid relid);
>  extern void logicalrep_worker_wakeup_ptr(LogicalRepWorker *worker);
> +pg_noreturn extern void SyncFinishWorker(void);
>
>  extern int logicalrep_sync_worker_count(Oid subid);
>
> @@ -259,9 +262,13 @@ extern void
> ReplicationOriginNameForLogicalRep(Oid suboid, Oid relid,
>  extern bool AllTablesyncsReady(void);
>  extern void UpdateTwoPhaseState(Oid suboid, char new_state);
>
> -extern void process_syncing_tables(XLogRecPtr current_lsn);
> -extern void invalidate_syncing_table_states(Datum arg, int cacheid,
> - uint32 hashvalue);
> +extern bool FetchRelationStates(bool *started_tx);
> +extern bool WaitForRelationStateChange(Oid relid, char expected_state);
> +extern void ProcessSyncingTablesForSync(XLogRecPtr current_lsn);
> +extern void ProcessSyncingTablesForApply(XLogRecPtr current_lsn);
> +extern void SyncProcessRelations(XLogRecPtr current_lsn);
> +extern void SyncInvalidateRelationStates(Datum arg, int cacheid,
> + uint32 hashvalue);
>
> ~
>
> 4a.
> Why does SyncFinishWorker have the pg_noreturn annotation? None of the
> other void functions do.

This is same as comment #1

The rest of the comments were fixed.
Also the comments from [1] and [2] are fixed in the attached v20250424 version.
[1] - https://www.postgresql.org/message-id/CAHut%2BPticXRg4_W%3Dd7H37DWPh5LNePbcQ5RKc3vUW5HCzAX_fg%40mail.gmail.com
[2] -
https://www.postgresql.org/message-id/CAHut%2BPtBhb89%2B1DAYUFc%3D1Ojkh1mHro%2Bg3UCqMZAQoSpPQoqZA%40mail.gmail.com

Regards,
Vignesh

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