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Only kill sync workers at commit time in subscription DDL

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This allows a transaction abort to avoid killing those workers.

Author: Petr Jelinek <petr.jelinek@2ndquadrant.com>
This commit is contained in:
Peter Eisentraut
2017-08-04 21:14:35 -04:00
parent ff98a5e1e4
commit 7e174fa793
5 changed files with 117 additions and 6 deletions
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1
src/include/replication/logicallauncher.h
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@@ -22,6 +22,7 @@ extern Size ApplyLauncherShmemSize(void);
extern void ApplyLauncherShmemInit(void);
extern void ApplyLauncherWakeupAtCommit(void);
extern bool XactManipulatesLogicalReplicationWorkers(void);
extern void AtEOXact_ApplyLauncher(bool isCommit);
extern bool IsLogicalLauncher(void);

2
src/include/replication/worker_internal.h
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@@ -71,9 +71,11 @@ extern bool in_remote_transaction;
extern void logicalrep_worker_attach(int slot);
extern LogicalRepWorker *logicalrep_worker_find(Oid subid, Oid relid,
bool only_running);
extern List *logicalrep_workers_find(Oid subid, bool only_running);
extern void logicalrep_worker_launch(Oid dbid, Oid subid, const char *subname,
Oid userid, Oid relid);
extern void logicalrep_worker_stop(Oid subid, Oid relid);
extern void logicalrep_worker_stop_at_commit(Oid subid, Oid relid);
extern void logicalrep_worker_wakeup(Oid subid, Oid relid);
extern void logicalrep_worker_wakeup_ptr(LogicalRepWorker *worker);