Is there a preferred method to select between using elog() and
errmsg_internal()?

Attached is a patch that converts some DEBUG messages to one of those
two to remove them from translation, but I'm not sure which one to pick
other than by random aesthetics.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
From 52f9f20d4141f8537da1a012a7ab99207a92e016 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <pete...@gmx.net>
Date: Tue, 2 May 2017 21:49:48 -0400
Subject: [PATCH] Remove DEBUG messages from translation

---
 contrib/amcheck/verify_nbtree.c            | 12 ++++++------
 src/backend/access/transam/multixact.c     | 10 +++++-----
 src/backend/access/transam/slru.c          |  6 ++----
 src/backend/access/transam/varsup.c        |  2 +-
 src/backend/access/transam/xlog.c          | 28 ++++++++++++++--------------
 src/backend/catalog/dependency.c           |  2 +-
 src/backend/catalog/index.c                |  5 ++---
 src/backend/commands/indexcmds.c           |  8 ++++----
 src/backend/commands/tablecmds.c           |  6 +++---
 src/backend/libpq/be-secure-openssl.c      |  2 +-
 src/backend/parser/parse_utilcmd.c         |  2 +-
 src/backend/postmaster/autovacuum.c        |  9 +++------
 src/backend/postmaster/bgworker.c          | 13 +++++--------
 src/backend/postmaster/checkpointer.c      |  5 ++---
 src/backend/postmaster/postmaster.c        |  2 +-
 src/backend/postmaster/syslogger.c         |  3 +--
 src/backend/replication/logical/launcher.c |  3 +--
 src/backend/replication/logical/worker.c   |  8 ++++----
 src/backend/replication/syncrep.c          |  4 ++--
 src/backend/replication/walsender.c        |  4 ++--
 src/backend/storage/lmgr/predicate.c       |  2 +-
 src/backend/storage/lmgr/proc.c            |  4 ++--
 src/backend/storage/smgr/md.c              |  6 +++---
 src/backend/tcop/postgres.c                |  6 +++---
 src/backend/utils/init/miscinit.c          |  3 +--
 25 files changed, 71 insertions(+), 84 deletions(-)

diff --git a/contrib/amcheck/verify_nbtree.c b/contrib/amcheck/verify_nbtree.c
index 9ae83dc839..ef5fc947ce 100644
--- a/contrib/amcheck/verify_nbtree.c
+++ b/contrib/amcheck/verify_nbtree.c
@@ -315,7 +315,7 @@ bt_check_every_level(Relation rel, bool readonly)
        if (metad->btm_fastroot != metad->btm_root)
                ereport(DEBUG1,
                                (errcode(ERRCODE_NO_DATA),
-                                errmsg("harmless fast root mismatch in index 
%s",
+                                errmsg_internal("harmless fast root mismatch 
in index %s",
                                                RelationGetRelationName(rel)),
                                 errdetail_internal("Fast root block %u (level 
%u) differs from true root block %u (level %u).",
                                                                        
metad->btm_fastroot, metad->btm_fastlevel,
@@ -415,8 +415,8 @@ bt_check_level_from_leftmost(BtreeCheckState *state, 
BtreeLevel level)
                        else
                                ereport(DEBUG1,
                                                (errcode(ERRCODE_NO_DATA),
-                                                errmsg("block %u of index 
\"%s\" ignored",
-                                                               current, 
RelationGetRelationName(state->rel))));
+                                                errmsg_internal("block %u of 
index \"%s\" ignored",
+                                                                               
 current, RelationGetRelationName(state->rel))));
                        goto nextpage;
                }
                else if (nextleveldown.leftmost == InvalidBlockNumber)
@@ -823,8 +823,8 @@ bt_right_page_check_scankey(BtreeCheckState *state)
                targetnext = opaque->btpo_next;
                ereport(DEBUG1,
                                (errcode(ERRCODE_NO_DATA),
-                                errmsg("level %u leftmost page of index \"%s\" 
was found deleted or half dead",
-                                               opaque->btpo.level, 
RelationGetRelationName(state->rel)),
+                                errmsg_internal("level %u leftmost page of 
index \"%s\" was found deleted or half dead",
+                                                                
opaque->btpo.level, RelationGetRelationName(state->rel)),
                                 errdetail_internal("Deleted page found when 
building scankey from right sibling.")));
 
                /* Be slightly more pro-active in freeing this memory, just in 
case */
@@ -950,7 +950,7 @@ bt_right_page_check_scankey(BtreeCheckState *state)
                 */
                ereport(DEBUG1,
                                (errcode(ERRCODE_NO_DATA),
-                                errmsg("%s block %u of index \"%s\" has no 
first data item",
+                                errmsg_internal("%s block %u of index \"%s\" 
has no first data item",
                                                P_ISLEAF(opaque) ? "leaf" : 
"internal", targetnext,
                                                
RelationGetRelationName(state->rel))));
                return NULL;
diff --git a/src/backend/access/transam/multixact.c 
b/src/backend/access/transam/multixact.c
index 682eef420b..3630a8f68c 100644
--- a/src/backend/access/transam/multixact.c
+++ b/src/backend/access/transam/multixact.c
@@ -2265,8 +2265,8 @@ SetMultiXactIdLimit(MultiXactId oldest_datminmxid, Oid 
oldest_datoid,
 
        /* Log the info */
        ereport(DEBUG1,
-                       (errmsg("MultiXactId wrap limit is %u, limited by 
database with OID %u",
-                                       multiWrapLimit, oldest_datoid)));
+                       (errmsg_internal("MultiXactId wrap limit is %u, limited 
by database with OID %u",
+                                                        multiWrapLimit, 
oldest_datoid)));
 
        /*
         * Computing the actual limits is only possible once the data directory 
is
@@ -2599,7 +2599,7 @@ SetOffsetVacuumLimit(bool is_startup)
 
                if (oldestOffsetKnown)
                        ereport(DEBUG1,
-                                       (errmsg("oldest MultiXactId member is 
at offset %u",
+                                       (errmsg_internal("oldest MultiXactId 
member is at offset %u",
                                                        oldestOffset)));
                else
                        ereport(LOG,
@@ -2628,8 +2628,8 @@ SetOffsetVacuumLimit(bool is_startup)
                                        (errmsg("MultiXact member wraparound 
protections are now enabled")));
 
                ereport(DEBUG1,
-                               (errmsg("MultiXact member stop limit is now %u 
based on MultiXact %u",
-                                               offsetStopLimit, 
oldestMultiXactId)));
+                               (errmsg_internal("MultiXact member stop limit 
is now %u based on MultiXact %u",
+                                                                
offsetStopLimit, oldestMultiXactId)));
        }
        else if (prevOldestOffsetKnown)
        {
diff --git a/src/backend/access/transam/slru.c 
b/src/backend/access/transam/slru.c
index d037c369a7..3287ef4d81 100644
--- a/src/backend/access/transam/slru.c
+++ b/src/backend/access/transam/slru.c
@@ -1250,8 +1250,7 @@ SlruInternalDeleteSegment(SlruCtl ctl, char *filename)
        char            path[MAXPGPATH];
 
        snprintf(path, MAXPGPATH, "%s/%s", ctl->Dir, filename);
-       ereport(DEBUG2,
-                       (errmsg("removing file \"%s\"", path)));
+       elog(DEBUG2, "removing file \"%s\"", path);
        unlink(path);
 }
 
@@ -1306,8 +1305,7 @@ SlruDeleteSegment(SlruCtl ctl, int segno)
                goto restart;
 
        snprintf(path, MAXPGPATH, "%s/%04X", ctl->Dir, segno);
-       ereport(DEBUG2,
-                       (errmsg("removing file \"%s\"", path)));
+       elog(DEBUG2, "removing file \"%s\"", path);
        unlink(path);
 
        LWLockRelease(shared->ControlLock);
diff --git a/src/backend/access/transam/varsup.c 
b/src/backend/access/transam/varsup.c
index 15e05591b7..02c4194999 100644
--- a/src/backend/access/transam/varsup.c
+++ b/src/backend/access/transam/varsup.c
@@ -364,7 +364,7 @@ SetTransactionIdLimit(TransactionId oldest_datfrozenxid, 
Oid oldest_datoid)
 
        /* Log the info */
        ereport(DEBUG1,
-                       (errmsg("transaction ID wrap limit is %u, limited by 
database with OID %u",
+                       (errmsg_internal("transaction ID wrap limit is %u, 
limited by database with OID %u",
                                        xidWrapLimit, oldest_datoid)));
 
        /*
diff --git a/src/backend/access/transam/xlog.c 
b/src/backend/access/transam/xlog.c
index 3654543919..1f4405541f 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -2738,10 +2738,10 @@ UpdateMinRecoveryPoint(XLogRecPtr lsn, bool force)
                        minRecoveryPointTLI = newMinRecoveryPointTLI;
 
                        ereport(DEBUG2,
-                                       (errmsg("updated min recovery point to 
%X/%X on timeline %u",
-                                                       (uint32) 
(minRecoveryPoint >> 32),
-                                                       (uint32) 
minRecoveryPoint,
-                                                       
newMinRecoveryPointTLI)));
+                                       (errmsg_internal("updated min recovery 
point to %X/%X on timeline %u",
+                                                                        
(uint32) (minRecoveryPoint >> 32),
+                                                                        
(uint32) minRecoveryPoint,
+                                                                        
newMinRecoveryPointTLI)));
                }
        }
        LWLockRelease(ControlFileLock);
@@ -3993,7 +3993,7 @@ RemoveXlogFile(const char *segname, XLogRecPtr 
PriorRedoPtr, XLogRecPtr endptr)
                                                           true, recycleSegNo, 
true))
        {
                ereport(DEBUG2,
-                               (errmsg("recycled write-ahead log file \"%s\"",
+                               (errmsg_internal("recycled write-ahead log file 
\"%s\"",
                                                segname)));
                CheckpointStats.ckpt_segs_recycled++;
                /* Needn't recheck that slot on future iterations */
@@ -4005,7 +4005,7 @@ RemoveXlogFile(const char *segname, XLogRecPtr 
PriorRedoPtr, XLogRecPtr endptr)
                int                     rc;
 
                ereport(DEBUG2,
-                               (errmsg("removing write-ahead log file \"%s\"",
+                               (errmsg_internal("removing write-ahead log file 
\"%s\"",
                                                segname)));
 
 #ifdef WIN32
@@ -6387,8 +6387,8 @@ StartupXLOG(void)
                        memcpy(&checkPoint, XLogRecGetData(xlogreader), 
sizeof(CheckPoint));
                        wasShutdown = ((record->xl_info & ~XLR_INFO_MASK) == 
XLOG_CHECKPOINT_SHUTDOWN);
                        ereport(DEBUG1,
-                                       (errmsg("checkpoint record is at %X/%X",
-                                                       (uint32) (checkPointLoc 
>> 32), (uint32) checkPointLoc)));
+                                       (errmsg_internal("checkpoint record is 
at %X/%X",
+                                                                        
(uint32) (checkPointLoc >> 32), (uint32) checkPointLoc)));
                        InRecovery = true;      /* force recovery even if 
SHUTDOWNED */
 
                        /*
@@ -6515,8 +6515,8 @@ StartupXLOG(void)
                if (record != NULL)
                {
                        ereport(DEBUG1,
-                                       (errmsg("checkpoint record is at %X/%X",
-                                                       (uint32) (checkPointLoc 
>> 32), (uint32) checkPointLoc)));
+                                       (errmsg_internal("checkpoint record is 
at %X/%X",
+                                                                        
(uint32) (checkPointLoc >> 32), (uint32) checkPointLoc)));
                }
                else if (StandbyMode)
                {
@@ -6883,7 +6883,7 @@ StartupXLOG(void)
                        int                     nxids;
 
                        ereport(DEBUG1,
-                                       (errmsg("initializing for hot 
standby")));
+                                       (errmsg_internal("initializing for hot 
standby")));
 
                        InitRecoveryTransactionEnvironment();
 
@@ -8646,7 +8646,7 @@ CreateCheckPoint(int flags)
                        LWLockRelease(CheckpointLock);
                        END_CRIT_SECTION();
                        ereport(DEBUG1,
-                                       (errmsg("checkpoint skipped due to an 
idle system")));
+                                       (errmsg_internal("checkpoint skipped 
due to an idle system")));
                        return;
                }
        }
@@ -9105,7 +9105,7 @@ CreateRestartPoint(int flags)
        if (!RecoveryInProgress())
        {
                ereport(DEBUG2,
-                               (errmsg("skipping restartpoint, recovery has 
already ended")));
+                               (errmsg_internal("skipping restartpoint, 
recovery has already ended")));
                LWLockRelease(CheckpointLock);
                return false;
        }
@@ -9128,7 +9128,7 @@ CreateRestartPoint(int flags)
                lastCheckPoint.redo <= ControlFile->checkPointCopy.redo)
        {
                ereport(DEBUG2,
-                               (errmsg("skipping restartpoint, already 
performed at %X/%X",
+                               (errmsg_internal("skipping restartpoint, 
already performed at %X/%X",
                                                (uint32) (lastCheckPoint.redo 
>> 32),
                                                (uint32) lastCheckPoint.redo)));
 
diff --git a/src/backend/catalog/dependency.c b/src/backend/catalog/dependency.c
index 6fffc290fa..087dcd5892 100644
--- a/src/backend/catalog/dependency.c
+++ b/src/backend/catalog/dependency.c
@@ -894,7 +894,7 @@ reportDependentObjects(const ObjectAddresses *targetObjects,
                         * log_min_messages are different.
                         */
                        ereport(DEBUG2,
-                                       (errmsg("drop auto-cascades to %s",
+                                       (errmsg_internal("drop auto-cascades to 
%s",
                                                        objDesc)));
                }
                else if (behavior == DROP_RESTRICT)
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index d25b39bb54..86d08bfe1a 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -2020,10 +2020,9 @@ index_build(Relation heapRelation,
        Assert(PointerIsValid(indexRelation->rd_amroutine->ambuild));
        Assert(PointerIsValid(indexRelation->rd_amroutine->ambuildempty));
 
-       ereport(DEBUG1,
-                       (errmsg("building index \"%s\" on table \"%s\"",
+       elog(DEBUG1, "building index \"%s\" on table \"%s\"",
                                        RelationGetRelationName(indexRelation),
-                                       
RelationGetRelationName(heapRelation))));
+                                       RelationGetRelationName(heapRelation));
 
        /*
         * Switch to the table owner's userid, so that any index functions are 
run
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index 620704ec49..1bb726596c 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -649,10 +649,10 @@ DefineIndex(Oid relationId,
                }
 
                ereport(DEBUG1,
-                               (errmsg("%s %s will create implicit index 
\"%s\" for table \"%s\"",
-                                               is_alter_table ? "ALTER TABLE / 
ADD" : "CREATE TABLE /",
-                                               constraint_type,
-                                               indexRelationName, 
RelationGetRelationName(rel))));
+                               (errmsg_internal("%s %s will create implicit 
index \"%s\" for table \"%s\"",
+                                                                is_alter_table 
? "ALTER TABLE / ADD" : "CREATE TABLE /",
+                                                                
constraint_type,
+                                                                
indexRelationName, RelationGetRelationName(rel))));
        }
 
        /*
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 7859ef13ac..ee1781febe 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -4436,11 +4436,11 @@ ATRewriteTable(AlteredTableInfo *tab, Oid OIDNewHeap, 
LOCKMODE lockmode)
 
                if (newrel)
                        ereport(DEBUG1,
-                                       (errmsg("rewriting table \"%s\"",
+                                       (errmsg_internal("rewriting table 
\"%s\"",
                                                        
RelationGetRelationName(oldrel))));
                else
                        ereport(DEBUG1,
-                                       (errmsg("verifying table \"%s\"",
+                                       (errmsg_internal("verifying table 
\"%s\"",
                                                        
RelationGetRelationName(oldrel))));
 
                if (newrel)
@@ -8180,7 +8180,7 @@ validateForeignKeyConstraint(char *conname,
        Snapshot        snapshot;
 
        ereport(DEBUG1,
-                       (errmsg("validating foreign key constraint \"%s\"", 
conname)));
+                       (errmsg_internal("validating foreign key constraint 
\"%s\"", conname)));
 
        /*
         * Build a trigger call structure; we'll need it either way.
diff --git a/src/backend/libpq/be-secure-openssl.c 
b/src/backend/libpq/be-secure-openssl.c
index 694f76afa6..a2fd64dda1 100644
--- a/src/backend/libpq/be-secure-openssl.c
+++ b/src/backend/libpq/be-secure-openssl.c
@@ -578,7 +578,7 @@ be_tls_open_server(Port *port)
        }
 
        ereport(DEBUG2,
-                       (errmsg("SSL connection from \"%s\"",
+                       (errmsg_internal("SSL connection from \"%s\"",
                                        port->peer_cn ? port->peer_cn : 
"(anonymous)")));
 
        /* set up debugging/info callback */
diff --git a/src/backend/parser/parse_utilcmd.c 
b/src/backend/parser/parse_utilcmd.c
index 87cb4188a3..1be13efff7 100644
--- a/src/backend/parser/parse_utilcmd.c
+++ b/src/backend/parser/parse_utilcmd.c
@@ -432,7 +432,7 @@ generateSerialExtraStmts(CreateStmtContext *cxt, ColumnDef 
*column,
        }
 
        ereport(DEBUG1,
-                       (errmsg("%s will create implicit sequence \"%s\" for 
serial column \"%s.%s\"",
+                       (errmsg_internal("%s will create implicit sequence 
\"%s\" for serial column \"%s.%s\"",
                                        cxt->stmtType, sname,
                                        cxt->relation->relname, 
column->colname)));
 
diff --git a/src/backend/postmaster/autovacuum.c 
b/src/backend/postmaster/autovacuum.c
index 00b1e823af..45b3d0c560 100644
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -448,8 +448,7 @@ AutoVacLauncherMain(int argc, char *argv[])
        /* Identify myself via ps */
        init_ps_display("autovacuum launcher process", "", "", "");
 
-       ereport(DEBUG1,
-                       (errmsg("autovacuum launcher started")));
+       elog(DEBUG1, "autovacuum launcher started");
 
        if (PostAuthDelay)
                pg_usleep(PostAuthDelay * 1000000L);
@@ -835,8 +834,7 @@ AutoVacLauncherMain(int argc, char *argv[])
 
        /* Normal exit from the autovac launcher is here */
 shutdown:
-       ereport(DEBUG1,
-                       (errmsg("autovacuum launcher shutting down")));
+       elog(DEBUG1, "autovacuum launcher shutting down");
        AutoVacuumShmem->av_launcherpid = 0;
 
        proc_exit(0);                           /* done */
@@ -1703,8 +1701,7 @@ AutoVacWorkerMain(int argc, char *argv[])
                InitPostgres(NULL, dbid, NULL, InvalidOid, dbname);
                SetProcessingMode(NormalProcessing);
                set_ps_display(dbname, false);
-               ereport(DEBUG1,
-                               (errmsg("autovacuum: processing database 
\"%s\"", dbname)));
+               elog(DEBUG1, "autovacuum: processing database \"%s\"", dbname);
 
                if (PostAuthDelay)
                        pg_usleep(PostAuthDelay * 1000000L);
diff --git a/src/backend/postmaster/bgworker.c 
b/src/backend/postmaster/bgworker.c
index 28af6f0f07..3617436e50 100644
--- a/src/backend/postmaster/bgworker.c
+++ b/src/backend/postmaster/bgworker.c
@@ -389,9 +389,8 @@ BackgroundWorkerStateChange(void)
                rw->rw_terminate = false;
 
                /* Log it! */
-               ereport(DEBUG1,
-                               (errmsg("registering background worker \"%s\"",
-                                               rw->rw_worker.bgw_name)));
+               elog(DEBUG1, "registering background worker \"%s\"",
+                                               rw->rw_worker.bgw_name);
 
                slist_push_head(&BackgroundWorkerList, &rw->rw_lnode);
        }
@@ -421,9 +420,8 @@ ForgetBackgroundWorker(slist_mutable_iter *cur)
 
        slot->in_use = false;
 
-       ereport(DEBUG1,
-                       (errmsg("unregistering background worker \"%s\"",
-                                       rw->rw_worker.bgw_name)));
+       elog(DEBUG1, "unregistering background worker \"%s\"",
+                                       rw->rw_worker.bgw_name);
 
        slist_delete_current(cur);
        free(rw);
@@ -852,8 +850,7 @@ RegisterBackgroundWorker(BackgroundWorker *worker)
        static int      numworkers = 0;
 
        if (!IsUnderPostmaster)
-               ereport(DEBUG1,
-                               (errmsg("registering background worker \"%s\"", 
worker->bgw_name)));
+               elog(DEBUG1, "registering background worker \"%s\"", 
worker->bgw_name);
 
        if (!process_shared_preload_libraries_in_progress &&
                strcmp(worker->bgw_library_name, "postgres") != 0)
diff --git a/src/backend/postmaster/checkpointer.c 
b/src/backend/postmaster/checkpointer.c
index e48ebd557f..492af4582a 100644
--- a/src/backend/postmaster/checkpointer.c
+++ b/src/backend/postmaster/checkpointer.c
@@ -1279,9 +1279,8 @@ CompactCheckpointerRequestQueue(void)
                        continue;
                CheckpointerShmem->requests[preserve_count++] = 
CheckpointerShmem->requests[n];
        }
-       ereport(DEBUG1,
-                       (errmsg("compacted fsync request queue from %d entries 
to %d entries",
-                                       CheckpointerShmem->num_requests, 
preserve_count)));
+       elog(DEBUG1, "compacted fsync request queue from %d entries to %d 
entries",
+                CheckpointerShmem->num_requests, preserve_count);
        CheckpointerShmem->num_requests = preserve_count;
 
        /* Cleanup. */
diff --git a/src/backend/postmaster/postmaster.c 
b/src/backend/postmaster/postmaster.c
index 95180b2ef5..e585103325 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -5634,7 +5634,7 @@ do_start_bgworker(RegisteredBgWorker *rw)
        }
 
        ereport(DEBUG1,
-                       (errmsg("starting background worker process \"%s\"",
+                       (errmsg_internal("starting background worker process 
\"%s\"",
                                        rw->rw_worker.bgw_name)));
 
 #ifdef EXEC_BACKEND
diff --git a/src/backend/postmaster/syslogger.c 
b/src/backend/postmaster/syslogger.c
index 3255b42c7d..0e2c1dd412 100644
--- a/src/backend/postmaster/syslogger.c
+++ b/src/backend/postmaster/syslogger.c
@@ -498,8 +498,7 @@ SysLoggerMain(int argc, char *argv[])
                         * seeing this message on the real stderr is annoying - 
so we make
                         * it DEBUG1 to suppress in normal use.
                         */
-                       ereport(DEBUG1,
-                                       (errmsg("logger shutting down")));
+                       elog(DEBUG1, "logger shutting down");
 
                        /*
                         * Normal exit from the syslogger is here.  Note that we
diff --git a/src/backend/replication/logical/launcher.c 
b/src/backend/replication/logical/launcher.c
index d165d518e1..7ae5effcbf 100644
--- a/src/backend/replication/logical/launcher.c
+++ b/src/backend/replication/logical/launcher.c
@@ -794,8 +794,7 @@ ApplyLauncherMain(Datum main_arg)
 {
        TimestampTz last_start_time = 0;
 
-       ereport(DEBUG1,
-                       (errmsg("logical replication launcher started")));
+       elog(DEBUG1, "logical replication launcher started");
 
        before_shmem_exit(logicalrep_launcher_onexit, (Datum) 0);
 
diff --git a/src/backend/replication/logical/worker.c 
b/src/backend/replication/logical/worker.c
index 0d48dfa494..42f0365c30 100644
--- a/src/backend/replication/logical/worker.c
+++ b/src/backend/replication/logical/worker.c
@@ -841,10 +841,10 @@ apply_handle_delete(StringInfo s)
        else
        {
                /* The tuple to be deleted could not be found. */
-               ereport(DEBUG1,
-                               (errmsg("logical replication could not find row 
for delete "
-                                               "in replication target %s",
-                                               
RelationGetRelationName(rel->localrel))));
+               elog(DEBUG1,
+                        "logical replication could not find row for delete "
+                        "in replication target %s",
+                        RelationGetRelationName(rel->localrel));
        }
 
        /* Cleanup. */
diff --git a/src/backend/replication/syncrep.c 
b/src/backend/replication/syncrep.c
index 77e80f1612..765b3863fd 100644
--- a/src/backend/replication/syncrep.c
+++ b/src/backend/replication/syncrep.c
@@ -396,8 +396,8 @@ SyncRepInitConfig(void)
                MyWalSnd->sync_standby_priority = priority;
                LWLockRelease(SyncRepLock);
                ereport(DEBUG1,
-                               (errmsg("standby \"%s\" now has synchronous 
standby priority %u",
-                                               application_name, priority)));
+                               (errmsg_internal("standby \"%s\" now has 
synchronous standby priority %u",
+                                                                
application_name, priority)));
        }
 }
 
diff --git a/src/backend/replication/walsender.c 
b/src/backend/replication/walsender.c
index 9a2babef1e..dabddbb5fe 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -2153,8 +2153,8 @@ WalSndLoop(WalSndSendDataCallback send_data)
                        if (MyWalSnd->state == WALSNDSTATE_CATCHUP)
                        {
                                ereport(DEBUG1,
-                                               (errmsg("standby \"%s\" has now 
caught up with primary",
-                                                               
application_name)));
+                                               (errmsg_internal("standby 
\"%s\" has now caught up with primary",
+                                                                               
 application_name)));
                                WalSndSetState(WALSNDSTATE_STREAMING);
                        }
 
diff --git a/src/backend/storage/lmgr/predicate.c 
b/src/backend/storage/lmgr/predicate.c
index 74e4b35837..0b8ba55b20 100644
--- a/src/backend/storage/lmgr/predicate.c
+++ b/src/backend/storage/lmgr/predicate.c
@@ -1556,7 +1556,7 @@ GetSafeSnapshot(Snapshot origSnapshot)
                /* else, need to retry... */
                ereport(DEBUG2,
                                (errcode(ERRCODE_T_R_SERIALIZATION_FAILURE),
-                                errmsg("deferrable snapshot was unsafe; trying 
a new one")));
+                                errmsg_internal("deferrable snapshot was 
unsafe; trying a new one")));
                ReleasePredicateLocks(false);
        }
 
diff --git a/src/backend/storage/lmgr/proc.c b/src/backend/storage/lmgr/proc.c
index bfa84992ea..07257a2766 100644
--- a/src/backend/storage/lmgr/proc.c
+++ b/src/backend/storage/lmgr/proc.c
@@ -1308,8 +1308,8 @@ ProcSleep(LOCALLOCK *locallock, LockMethod 
lockMethodTable)
 
                                /* send the autovacuum worker Back to Old Kent 
Road */
                                ereport(DEBUG1,
-                                               (errmsg("sending cancel to 
blocking autovacuum PID %d",
-                                                               pid),
+                                               (errmsg_internal("sending 
cancel to blocking autovacuum PID %d",
+                                                                               
 pid),
                                                 errdetail_log("%s", 
logbuf.data)));
 
                                if (kill(pid, SIGINT) < 0)
diff --git a/src/backend/storage/smgr/md.c b/src/backend/storage/smgr/md.c
index 65e0abe9ec..3f6b05cb45 100644
--- a/src/backend/storage/smgr/md.c
+++ b/src/backend/storage/smgr/md.c
@@ -1279,8 +1279,8 @@ mdsync(void)
                                        else
                                                ereport(DEBUG1,
                                                                
(errcode_for_file_access(),
-                                                                errmsg("could 
not fsync file \"%s\" but retrying: %m",
-                                                                               
path)));
+                                                                
errmsg_internal("could not fsync file \"%s\" but retrying: %m",
+                                                                               
                 path)));
                                        pfree(path);
 
                                        /*
@@ -1442,7 +1442,7 @@ register_dirty_segment(SMgrRelation reln, ForkNumber 
forknum, MdfdVec *seg)
                        return;                         /* passed it off 
successfully */
 
                ereport(DEBUG1,
-                               (errmsg("could not forward fsync request 
because request queue is full")));
+                               (errmsg_internal("could not forward fsync 
request because request queue is full")));
 
                if (FileSync(seg->mdfd_vfd, WAIT_EVENT_DATA_FILE_SYNC) < 0)
                        ereport(ERROR,
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index b8d860ebdb..87d07c670b 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -343,7 +343,7 @@ SocketBackend(StringInfo inBuf)
                        whereToSendOutput = DestNone;
                        ereport(DEBUG1,
                                        
(errcode(ERRCODE_CONNECTION_DOES_NOT_EXIST),
-                                        errmsg("unexpected EOF on client 
connection")));
+                                        errmsg_internal("unexpected EOF on 
client connection")));
                }
                return qtype;
        }
@@ -379,7 +379,7 @@ SocketBackend(StringInfo inBuf)
                                                whereToSendOutput = DestNone;
                                                ereport(DEBUG1,
                                                                
(errcode(ERRCODE_CONNECTION_DOES_NOT_EXIST),
-                                                                
errmsg("unexpected EOF on client connection")));
+                                                                
errmsg_internal("unexpected EOF on client connection")));
                                        }
                                        return EOF;
                                }
@@ -406,7 +406,7 @@ SocketBackend(StringInfo inBuf)
                                                whereToSendOutput = DestNone;
                                                ereport(DEBUG1,
                                                                
(errcode(ERRCODE_CONNECTION_DOES_NOT_EXIST),
-                                                                
errmsg("unexpected EOF on client connection")));
+                                                                
errmsg_internal("unexpected EOF on client connection")));
                                        }
                                        return EOF;
                                }
diff --git a/src/backend/utils/init/miscinit.c 
b/src/backend/utils/init/miscinit.c
index afbf8f8691..811940d341 100644
--- a/src/backend/utils/init/miscinit.c
+++ b/src/backend/utils/init/miscinit.c
@@ -1470,8 +1470,7 @@ load_libraries(const char *libraries, const char 
*gucname, bool restricted)
                        filename = expanded;
                }
                load_file(filename, restricted);
-               ereport(DEBUG1,
-                               (errmsg("loaded library \"%s\"", filename)));
+               elog(DEBUG1, "loaded library \"%s\"", filename);
                if (expanded)
                        pfree(expanded);
        }
-- 
2.13.3

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