Message style tweaks

src/backend/commands/tablecmds.c

@@ -6751,7 +6751,8 @@ ATPrepAlterColumnType(List **wqueue,
 	else if (transform)
 		ereport(ERROR,
 				(errcode(ERRCODE_WRONG_OBJECT_TYPE),
-			  errmsg("ALTER TYPE USING is only supported on plain tables")));
+				 errmsg("\"%s\" is not a table",
+						RelationGetRelationName(rel))));
 
 	if (tab->relkind == RELKIND_COMPOSITE_TYPE ||
 		tab->relkind == RELKIND_FOREIGN_TABLE)

src/backend/parser/parse_utilcmd.c

@@ -1524,7 +1524,7 @@ transformIndexConstraint(Constraint *constraint, CreateStmtContext *cxt)
 		if (index_rel->rd_rel->relam != get_am_oid(DEFAULT_INDEX_TYPE, false))
 			ereport(ERROR,
 					(errcode(ERRCODE_WRONG_OBJECT_TYPE),
-					 errmsg("index \"%s\" is not a b-tree", index_name),
+					 errmsg("index \"%s\" is not a btree", index_name),
 					 parser_errposition(cxt->pstate, constraint->location)));
 
 		/* Must get indclass the hard way */

src/backend/port/win32/crashdump.c

@@ -105,7 +105,7 @@ crashDumpHandler(struct _EXCEPTION_POINTERS * pExceptionInfo)
 		hDll = LoadLibrary("dbghelp.dll");
 		if (hDll == NULL)
 		{
-			write_stderr("could not load dbghelp.dll, cannot write crashdump\n");
+			write_stderr("could not load dbghelp.dll, cannot write crash dump\n");
 			return EXCEPTION_CONTINUE_SEARCH;
 		}
 
@@ -113,7 +113,7 @@ crashDumpHandler(struct _EXCEPTION_POINTERS * pExceptionInfo)
 
 		if (pDump == NULL)
 		{
-			write_stderr("could not load required functions in dbghelp.dll, cannot write crashdump\n");
+			write_stderr("could not load required functions in dbghelp.dll, cannot write crash dump\n");
 			return EXCEPTION_CONTINUE_SEARCH;
 		}
 
@@ -144,16 +144,16 @@ crashDumpHandler(struct _EXCEPTION_POINTERS * pExceptionInfo)
 							  NULL);
 		if (dumpFile == INVALID_HANDLE_VALUE)
 		{
-			write_stderr("could not open crash dump file %s for writing: error code %u\n",
+			write_stderr("could not open crash dump file \"%s\" for writing: error code %u\n",
 						 dumpPath, (unsigned int) GetLastError());
 			return EXCEPTION_CONTINUE_SEARCH;
 		}
 
 		if ((*pDump) (selfProcHandle, selfPid, dumpFile, dumpType, &ExInfo,
 					  NULL, NULL))
-			write_stderr("wrote crash dump to %s\n", dumpPath);
+			write_stderr("wrote crash dump to file \"%s\"\n", dumpPath);
 		else
-			write_stderr("could not write crash dump to %s: error code %08x\n",
+			write_stderr("could not write crash dump to file \"%s\": error code %08x\n",
 						 dumpPath, (unsigned int) GetLastError());
 
 		CloseHandle(dumpFile);

src/backend/storage/lmgr/predicate.c

@@ -882,7 +882,7 @@ OldSerXidAdd(TransactionId xid, SerCommitSeqNo minConflictCommitSeqNo)
 			oldSerXidControl->warningIssued = true;
 			ereport(WARNING,
 					(errmsg("memory for serializable conflict tracking is nearly exhausted"),
-					 errhint("There may be an idle transaction or a forgotten prepared transaction causing this.")));
+					 errhint("There might be an idle transaction or a forgotten prepared transaction causing this.")));
 		}
 	}
 

src/backend/utils/adt/varlena.c

@@ -3937,7 +3937,7 @@ text_format_string_conversion(StringInfo buf, char conversion,
 		else if (conversion == 'I')
 			ereport(ERROR,
 					(errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
-					 errmsg("NULL cannot be escaped as an SQL identifier")));
+					 errmsg("null values cannot be formatted as an SQL identifier")));
 		return;
 	}
 

src/backend/utils/misc/guc.c

@@ -887,7 +887,7 @@ static struct config_bool ConfigureNamesBool[] =
 	},
 	{
 		{"restart_after_crash", PGC_SIGHUP, ERROR_HANDLING_OPTIONS,
-			gettext_noop("Reinitialize after backend crash."),
+			gettext_noop("Reinitialize server after backend crash."),
 			NULL
 		},
 		&restart_after_crash,
@@ -1378,7 +1378,7 @@ static struct config_bool ConfigureNamesBool[] =
 
 	{
 		{"hot_standby_feedback", PGC_SIGHUP, WAL_STANDBY_SERVERS,
-			gettext_noop("Allows feedback from a hot standby primary that will avoid query conflicts."),
+			gettext_noop("Allows feedback from a hot standby to the primary that will avoid query conflicts."),
 			NULL
 		},
 		&hot_standby_feedback,
@@ -1567,7 +1567,7 @@ static struct config_int ConfigureNamesInt[] =
 
 	{
 		{"wal_receiver_status_interval", PGC_SIGHUP, WAL_STANDBY_SERVERS,
-			gettext_noop("Sets the maximum interval between WAL receiver status reports to the master."),
+			gettext_noop("Sets the maximum interval between WAL receiver status reports to the primary."),
 			NULL,
 			GUC_UNIT_S
 		},
@@ -2965,7 +2965,7 @@ static struct config_string ConfigureNamesString[] =
 
 	{
 		{"synchronous_standby_names", PGC_SIGHUP, WAL_REPLICATION,
-			gettext_noop("List of potential standby names to synchronize with."),
+			gettext_noop("List of names of potential synchronous standbys."),
 			NULL,
 			GUC_LIST_INPUT
 		},

src/test/regress/expected/foreign_data.out

@@ -694,8 +694,8 @@ ALTER FOREIGN TABLE ft1 ALTER COLUMN c5 DROP DEFAULT;           -- ERROR
 ERROR:  "ft1" is not a table or view
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c6 SET NOT NULL;
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c7 DROP NOT NULL;
-ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10) using '0'; -- ERROR
-ERROR:  ALTER TYPE USING is only supported on plain tables
+ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10) USING '0'; -- ERROR
+ERROR:  "ft1" is not a table
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10);
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 SET DATA TYPE text;
 -- can't change the column type if it's used elsewhere

src/test/regress/expected/text.out

@@ -203,7 +203,7 @@ select format('INSERT INTO %I VALUES(%L,%L)', 'mytab', NULL, 'Hello');
 
 -- should fail, sql identifier cannot be NULL
 select format('INSERT INTO %I VALUES(%L,%L)', NULL, 10, 'Hello');
-ERROR:  NULL cannot be escaped as an SQL identifier
+ERROR:  null values cannot be formatted as an SQL identifier
 -- check positional placeholders
 select format('%1$s %3$s', 1, 2, 3);
  format 

src/test/regress/sql/foreign_data.sql

@@ -294,7 +294,7 @@ ALTER FOREIGN TABLE ft1 ALTER COLUMN c4 SET DEFAULT 0;          -- ERROR
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c5 DROP DEFAULT;           -- ERROR
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c6 SET NOT NULL;
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c7 DROP NOT NULL;
-ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10) using '0'; -- ERROR
+ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10) USING '0'; -- ERROR
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10);
 ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 SET DATA TYPE text;
 -- can't change the column type if it's used elsewhere