diff --git a/src/test/regress/expected/euc_cn.out b/src/test/regress/expected/euc_cn.out
index 1a378d1589ba6bb239c4e929040d1fd4149943a3..b9944f48fd8c4b6c4a25fcee1026e9a6163d83b9 100644
--- a/src/test/regress/expected/euc_cn.out
+++ b/src/test/regress/expected/euc_cn.out
@@ -1,5 +1,5 @@
 QUERY: drop table ¼ÆËã»úÊõÓï;
-ERROR:  Relation ¼ÆËã»úÊõÓï does not exist!
+ERROR:  Relation '¼ÆËã»úÊõÓï' does not exist
 QUERY: create table ¼ÆËã»úÊõÓï(ÊõÓï text, ·ÖÀàºÅ varchar, ±¸×¢1A char(16));
 QUERY: create index ¼ÆËã»úÊõÓïindex1 on ¼ÆËã»úÊõÓï using btree(ÊõÓï);
 QUERY: create index ¼ÆËã»úÊõÓïindex2 on ¼ÆËã»úÊõÓï using btree(·ÖÀàºÅ);
diff --git a/src/test/regress/expected/euc_kr.out b/src/test/regress/expected/euc_kr.out
index f1643ffdc787499942da06f8153e9cefb48fba27..9d3ca8ce3dd364f429eee3cd47db5b7659a484e2 100644
--- a/src/test/regress/expected/euc_kr.out
+++ b/src/test/regress/expected/euc_kr.out
@@ -1,5 +1,5 @@
 QUERY: drop table ͪߩѦ¿ë¾î;
-ERROR:  Relation ͪߩѦ¿ë¾î does not exist!
+ERROR:  Relation 'ͪߩѦ¿ë¾î' does not exist
 QUERY: create table ͪߩѦ¿ë¾î (¿ë¾î text, ÝÂ×¾ÄÚµå varchar, ºñ°í1A¶ó±¸ char(16));
 QUERY: create index ͪߩѦ¿ë¾îindex1 on ͪߩѦ¿ë¾î using btree (¿ë¾î);
 QUERY: create index ͪߩѦ¿ë¾îindex2 on ͪߩѦ¿ë¾î using hash (ÝÂ×¾ÄÚµå);
diff --git a/src/test/regress/expected/euc_tw.out b/src/test/regress/expected/euc_tw.out
index b7846efe24d590a01c401604800a33b305ee0367..a7d2b940695d88ead7afd96fc5b42a8f0cc5001e 100644
--- a/src/test/regress/expected/euc_tw.out
+++ b/src/test/regress/expected/euc_tw.out
@@ -1,5 +1,5 @@
 QUERY: drop table ìÞÙ¸æñÕè;
-ERROR:  Relation ìÞÙ¸æñÕè does not exist!
+ERROR:  Relation 'ìÞÙ¸æñÕè' does not exist
 QUERY: create table ìÞÙ¸æñÕè (ÈçäÆɱ text, ÄüƳÍñó¤ varchar, ÇâÉß varchar(16));
 QUERY: create index ìÞÙ¸æñÕèindex1 on ìÞÙ¸æñÕè using btree (ÈçäÆɱ);
 QUERY: create index ìÞÙ¸æñÕèindex2 on ìÞÙ¸æñÕè using hash (ÄüƳÍñó¤);
diff --git a/src/test/regress/expected/mule_internal.out b/src/test/regress/expected/mule_internal.out
index c28f6356ab5829229076880507d1d8168ea23cd7..09f5489ee5fa01f04abc60fc2e305cbcfba6feac 100644
--- a/src/test/regress/expected/mule_internal.out
+++ b/src/test/regress/expected/mule_internal.out
@@ -1,5 +1,5 @@
 QUERY: drop table ’·×’»»’µ¡’ÍÑ’¸ì;
-ERROR:  Relation ’·×’»»’µ¡’ÍÑ’¸ì does not exist!
+ERROR:  Relation '’·×’»»’µ¡’ÍÑ’¸ì' does not exist
 QUERY: create table ’·×’»»’µ¡’ÍÑ’¸ì (’ÍÑ’¸ì text, ’ʬ’Îà’¥³’¡¼’¥É varchar, ’È÷’¹Í1A’¤À’¤è char(16));
 QUERY: create index ’·×’»»’µ¡’ÍÑ’¸ìindex1 on ’·×’»»’µ¡’ÍÑ’¸ì using btree (’ÍÑ’¸ì);
 QUERY: create index ’·×’»»’µ¡’ÍÑ’¸ìindex2 on ’·×’»»’µ¡’ÍÑ’¸ì using hash (’ʬ’Îà’¥³’¡¼’¥É);
@@ -86,7 +86,7 @@ QUERY: select *,substring(
 (3 rows)
 
 QUERY: drop table ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
-ERROR:  Relation ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï does not exist!
+ERROR:  Relation '‘¼Æ‘Ëã‘»ú‘Êõ‘Óï' does not exist
 QUERY: create table ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï(‘Êõ‘Óï text, ‘·Ö‘Àà‘ºÅ varchar, ‘±¸‘×¢1A char(16));
 QUERY: create index ‘¼Æ‘Ëã‘»ú‘Êõ‘Óïindex1 on ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï using btree(‘Êõ‘Óï);
 QUERY: create index ‘¼Æ‘Ëã‘»ú‘Êõ‘Óïindex2 on ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï using btree(‘·Ö‘Àà‘ºÅ);
@@ -173,7 +173,7 @@ QUERY: select *,substring(
 (3 rows)
 
 QUERY: drop table “ͪ“ß©“Ѧ“¿ë“¾î;
-ERROR:  Relation “ͪ“ß©“Ѧ“¿ë“¾î does not exist!
+ERROR:  Relation '“ͪ“ß©“Ѧ“¿ë“¾î' does not exist
 QUERY: create table “ͪ“ß©“Ѧ“¿ë“¾î (“¿ë“¾î text, “Ý“׾“ÄÚ“µå varchar, “ºñ“°í1A“¶ó“±¸ char(16));
 QUERY: create index “ͪ“ß©“Ѧ“¿ë“¾îindex1 on “ͪ“ß©“Ѧ“¿ë“¾î using btree (“¿ë“¾î);
 QUERY: create index “ͪ“ß©“Ѧ“¿ë“¾îindex2 on “ͪ“ß©“Ѧ“¿ë“¾î using hash (“Ý“׾“ÄÚ“µå);
@@ -260,7 +260,7 @@ QUERY: select *,substring(
 (3 rows)
 
 QUERY: drop table test;
-ERROR:  Relation test does not exist!
+ERROR:  Relation 'test' does not exist
 QUERY: create table test (t text);
 QUERY: insert into test values('ENGLISH');
 QUERY: insert into test values('FRANÇAIS');