From bb8f5e97e7cc7c435cbf1ec5bc16f1d5a46cc9e1 Mon Sep 17 00:00:00 2001
From: Michael Paquier <michael@paquier.xyz>
Date: Fri, 5 Dec 2025 10:14:39 +0900
Subject: [PATCH] Improve pg_dependencies.c and pg_ndistinct.c

---
 src/backend/utils/adt/pg_dependencies.c       |  42 ++--
 src/backend/utils/adt/pg_ndistinct.c          |  34 +--
 src/test/regress/expected/pg_dependencies.out | 196 +++++++++---------
 src/test/regress/expected/pg_ndistinct.out    | 160 +++++++-------
 4 files changed, 216 insertions(+), 216 deletions(-)

diff --git a/src/backend/utils/adt/pg_dependencies.c b/src/backend/utils/adt/pg_dependencies.c
index 56abb7441775..1552e03d1c1e 100644
--- a/src/backend/utils/adt/pg_dependencies.c
+++ b/src/backend/utils/adt/pg_dependencies.c
@@ -85,7 +85,7 @@ dependencies_object_start(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-					errdetail("Expected an object key."));
+					errdetail("A key was expected."));
 			break;
 
 		case DEPS_EXPECT_ATTNUM_LIST:
@@ -127,7 +127,7 @@ dependencies_object_start(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-					errdetail("Unexpected parse state: %d", (int) parse->state));
+					errdetail("Unexpected parse state has been found: %d.", (int) parse->state));
 			break;
 	}
 
@@ -153,7 +153,7 @@ dependencies_object_end(void *state)
 		errsave(parse->escontext,
 				errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-				errdetail("Unexpected parse state: %d", (int) parse->state));
+				errdetail("Unexpected parse state has been found: %d.", (int) parse->state));
 		return JSON_SEM_ACTION_FAILED;
 	}
 
@@ -162,7 +162,7 @@ dependencies_object_end(void *state)
 		errsave(parse->escontext,
 				errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-				errdetail("Item must contain \"%s\" key",
+				errdetail("Item must contain \"%s\" key.",
 						  PG_DEPENDENCIES_KEY_ATTRIBUTES));
 		return JSON_SEM_ACTION_FAILED;
 	}
@@ -226,7 +226,7 @@ dependencies_object_end(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-					errdetail("Item \"%s\" value %d found in the \"%s\" list.",
+					errdetail("Item \"%s\" with value %d has been found in the \"%s\" list.",
 							  PG_DEPENDENCIES_KEY_DEPENDENCY, parse->dependency,
 							  PG_DEPENDENCIES_KEY_ATTRIBUTES));
 			return JSON_SEM_ACTION_FAILED;
@@ -274,7 +274,7 @@ dependencies_array_start(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-					errdetail("Array found in unexpected place."));
+					errdetail("Array has been found at an unexpected location."));
 			return JSON_SEM_ACTION_FAILED;
 	}
 
@@ -329,7 +329,7 @@ dependencies_array_end(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-					errdetail("Array found in unexpected place."));
+					errdetail("Array has been found at an unexpected location."));
 			break;
 	}
 	return JSON_SEM_ACTION_FAILED;
@@ -446,7 +446,7 @@ dependencies_array_element_start(void *state, bool isnull)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-					errdetail("Unexpected array element."));
+					errdetail("Unexpected array element has been found."));
 			break;
 	}
 
@@ -494,12 +494,12 @@ dependencies_scalar(void *state, char *token, JsonTokenType tokentype)
 		case DEPS_EXPECT_ATTNUM:
 			attnum = pg_strtoint16_safe(token, (Node *) &escontext);
 
-			if (SOFT_ERROR_OCCURRED(&escontext))
+			if (escontext.error_occurred)
 			{
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-						errdetail("Invalid \"%s\" value.", PG_DEPENDENCIES_KEY_ATTRIBUTES));
+						errdetail("Key \"%s\" has an incorrect value.", PG_DEPENDENCIES_KEY_ATTRIBUTES));
 				return JSON_SEM_ACTION_FAILED;
 			}
 
@@ -512,7 +512,7 @@ dependencies_scalar(void *state, char *token, JsonTokenType tokentype)
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-						errdetail("Invalid \"%s\" element: %d.",
+						errdetail("Invalid \"%s\" element has been found: %d.",
 								  PG_DEPENDENCIES_KEY_ATTRIBUTES, attnum));
 				return JSON_SEM_ACTION_FAILED;
 			}
@@ -526,7 +526,7 @@ dependencies_scalar(void *state, char *token, JsonTokenType tokentype)
 					errsave(parse->escontext,
 							errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 							errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-							errdetail("Invalid \"%s\" element: %d cannot follow %d.",
+							errdetail("Invalid \"%s\" element has been found: %d cannot follow %d.",
 									  PG_DEPENDENCIES_KEY_ATTRIBUTES, attnum, prev));
 					return JSON_SEM_ACTION_FAILED;
 				}
@@ -539,12 +539,12 @@ dependencies_scalar(void *state, char *token, JsonTokenType tokentype)
 			parse->dependency = (AttrNumber)
 				pg_strtoint16_safe(token, (Node *) &escontext);
 
-			if (SOFT_ERROR_OCCURRED(&escontext))
+			if (escontext.error_occurred)
 			{
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-						errdetail("Invalid \"%s\" value.", PG_DEPENDENCIES_KEY_DEPENDENCY));
+						errdetail("Key \"%s\" has an incorrect value.", PG_DEPENDENCIES_KEY_DEPENDENCY));
 				return JSON_SEM_ACTION_FAILED;
 			}
 
@@ -557,7 +557,7 @@ dependencies_scalar(void *state, char *token, JsonTokenType tokentype)
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-						errdetail("Invalid \"%s\" value: %d.",
+						errdetail("Key \"%s\" has an incorrect value: %d.",
 								  PG_DEPENDENCIES_KEY_DEPENDENCY, parse->dependency));
 				return JSON_SEM_ACTION_FAILED;
 			}
@@ -569,12 +569,12 @@ dependencies_scalar(void *state, char *token, JsonTokenType tokentype)
 			parse->degree = float8in_internal(token, NULL, "double",
 											  token, (Node *) &escontext);
 
-			if (SOFT_ERROR_OCCURRED(&escontext))
+			if (escontext.error_occurred)
 			{
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-						errdetail("Invalid \"%s\" value.", PG_DEPENDENCIES_KEY_DEGREE));
+						errdetail("Key \"%s\" has an incorrect value.", PG_DEPENDENCIES_KEY_DEGREE));
 				return JSON_SEM_ACTION_FAILED;
 			}
 
@@ -585,7 +585,7 @@ dependencies_scalar(void *state, char *token, JsonTokenType tokentype)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", parse->str),
-					errdetail("Unexpected scalar."));
+					errdetail("Unexpected scalar has been found."));
 			break;
 	}
 
@@ -686,7 +686,7 @@ build_mvdependencies(DependenciesParseState *parse, char *str)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_dependencies: \"%s\"", str),
-					errdetail("Unexpected end state %d.", parse->state));
+					errdetail("Unexpected end state has been found: %d.", parse->state));
 			return NULL;
 	}
 
@@ -721,7 +721,7 @@ build_mvdependencies(DependenciesParseState *parse, char *str)
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_dependencies: \"%s\"", str),
-						errdetail("Duplicate \"%s\" array: [%s] with \"%s\": %d.",
+						errdetail("Duplicated \"%s\" array has been found: [%s] for key \"%s\" and value %d.",
 								  PG_DEPENDENCIES_KEY_ATTRIBUTES, attnum_list,
 								  PG_DEPENDENCIES_KEY_DEPENDENCY, attnum_dep));
 				pfree(mvdeps);
@@ -808,7 +808,7 @@ pg_dependencies_in(PG_FUNCTION_ARGS)
 		errsave(parse_state.escontext,
 				errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				errmsg("malformed pg_dependencies: \"%s\"", str),
-				errdetail("Must be valid JSON."));
+				errdetail("Input data must be valid JSON."));
 
 	PG_RETURN_NULL();
 }
diff --git a/src/backend/utils/adt/pg_ndistinct.c b/src/backend/utils/adt/pg_ndistinct.c
index 5292521b1695..9bf1546c8030 100644
--- a/src/backend/utils/adt/pg_ndistinct.c
+++ b/src/backend/utils/adt/pg_ndistinct.c
@@ -81,7 +81,7 @@ ndistinct_object_start(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-					errdetail("Expected an object key."));
+					errdetail("A key was expected."));
 			break;
 
 		case NDIST_EXPECT_ATTNUM_LIST:
@@ -114,7 +114,7 @@ ndistinct_object_start(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-					errdetail("Unexpected parse state: %d", (int) parse->state));
+					errdetail("Unexpected parse state has been found: %d.", (int) parse->state));
 			break;
 	}
 
@@ -140,7 +140,7 @@ ndistinct_object_end(void *state)
 		errsave(parse->escontext,
 				errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-				errdetail("Unexpected parse state: %d", (int) parse->state));
+				errdetail("Unexpected parse state has been found: %d.", (int) parse->state));
 		return JSON_SEM_ACTION_FAILED;
 	}
 
@@ -228,7 +228,7 @@ ndistinct_array_start(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-					errdetail("Array found in unexpected place."));
+					errdetail("Array has been found at an unexpected location."));
 			return JSON_SEM_ACTION_FAILED;
 	}
 
@@ -289,7 +289,7 @@ ndistinct_array_end(void *state)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-					errdetail("Array found in unexpected place."));
+					errdetail("Array has been found at an unexpected location."));
 			break;
 	}
 
@@ -387,7 +387,7 @@ ndistinct_array_element_start(void *state, bool isnull)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-					errdetail("Unexpected array element."));
+					errdetail("Unexpected array element has been found."));
 			break;
 	}
 
@@ -435,12 +435,12 @@ ndistinct_scalar(void *state, char *token, JsonTokenType tokentype)
 		case NDIST_EXPECT_ATTNUM:
 			attnum = pg_strtoint16_safe(token, (Node *) &escontext);
 
-			if (SOFT_ERROR_OCCURRED(&escontext))
+			if (escontext.error_occurred)
 			{
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-						errdetail("Invalid \"%s\" value.", PG_NDISTINCT_KEY_ATTRIBUTES));
+						errdetail("Key \"%s\" has an incorrect value.", PG_NDISTINCT_KEY_ATTRIBUTES));
 				return JSON_SEM_ACTION_FAILED;
 			}
 
@@ -453,7 +453,7 @@ ndistinct_scalar(void *state, char *token, JsonTokenType tokentype)
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-						errdetail("Invalid \"%s\" element: %d.",
+						errdetail("Invalid \"%s\" element has been found: %d.",
 								  PG_NDISTINCT_KEY_ATTRIBUTES, attnum));
 				return JSON_SEM_ACTION_FAILED;
 			}
@@ -467,7 +467,7 @@ ndistinct_scalar(void *state, char *token, JsonTokenType tokentype)
 					errsave(parse->escontext,
 							errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 							errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-							errdetail("Invalid \"%s\" element: %d cannot follow %d.",
+							errdetail("Invalid \"%s\" element has been found: %d cannot follow %d.",
 									  PG_NDISTINCT_KEY_ATTRIBUTES, attnum, prev));
 					return JSON_SEM_ACTION_FAILED;
 				}
@@ -485,7 +485,7 @@ ndistinct_scalar(void *state, char *token, JsonTokenType tokentype)
 			 */
 			parse->ndistinct = pg_strtoint32_safe(token, (Node *) &escontext);
 
-			if (!SOFT_ERROR_OCCURRED(&escontext))
+			if (!escontext.error_occurred)
 			{
 				parse->state = NDIST_EXPECT_KEY;
 				return JSON_SUCCESS;
@@ -494,7 +494,7 @@ ndistinct_scalar(void *state, char *token, JsonTokenType tokentype)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-					errdetail("Invalid \"%s\" value.",
+					errdetail("Key \"%s\" has an incorrect value.",
 							  PG_NDISTINCT_KEY_NDISTINCT));
 			break;
 
@@ -502,7 +502,7 @@ ndistinct_scalar(void *state, char *token, JsonTokenType tokentype)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", parse->str),
-					errdetail("Unexpected scalar."));
+					errdetail("Unexpected scalar has been found."));
 			break;
 	}
 
@@ -627,7 +627,7 @@ build_mvndistinct(NDistinctParseState *parse, char *str)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", str),
-					errdetail("Unexpected end state %d.", parse->state));
+					errdetail("Unexpected end state has been found: %d.", parse->state));
 			return NULL;
 	}
 
@@ -655,7 +655,7 @@ build_mvndistinct(NDistinctParseState *parse, char *str)
 				errsave(parse->escontext,
 						errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 						errmsg("malformed pg_ndistinct: \"%s\"", str),
-						errdetail("Duplicated \"%s\" array found: [%s]",
+						errdetail("Duplicated \"%s\" array has been found: [%s]",
 								  PG_NDISTINCT_KEY_ATTRIBUTES, s));
 				pfree(s);
 				return NULL;
@@ -705,7 +705,7 @@ build_mvndistinct(NDistinctParseState *parse, char *str)
 			errsave(parse->escontext,
 					errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 					errmsg("malformed pg_ndistinct: \"%s\"", str),
-					errdetail("\"%s\" array: [%s] must be a subset of array: [%s]",
+					errdetail("\"%s\" array [%s] must be a subset of array [%s].",
 							  PG_NDISTINCT_KEY_ATTRIBUTES,
 							  item_list, refitem_list));
 			pfree(item_list);
@@ -784,7 +784,7 @@ pg_ndistinct_in(PG_FUNCTION_ARGS)
 		errsave(parse_state.escontext,
 				errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				errmsg("malformed pg_ndistinct: \"%s\"", str),
-				errdetail("Must be valid JSON."));
+				errdetail("Input data must be valid JSON."));
 
 	PG_RETURN_NULL();
 }
diff --git a/src/test/regress/expected/pg_dependencies.out b/src/test/regress/expected/pg_dependencies.out
index 5c6fe6675173..04641f81d13f 100644
--- a/src/test/regress/expected/pg_dependencies.out
+++ b/src/test/regress/expected/pg_dependencies.out
@@ -4,7 +4,7 @@ SELECT 'null'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "null"
 LINE 1: SELECT 'null'::pg_dependencies;
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '{"a": 1}'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "{"a": 1}"
 LINE 1: SELECT '{"a": 1}'::pg_dependencies;
@@ -26,9 +26,9 @@ LINE 1: SELECT '[null]'::pg_dependencies;
                ^
 DETAIL:  Item list elements cannot be null.
 SELECT * FROM pg_input_error_info('null', 'pg_dependencies');
-              message              |       detail       | hint | sql_error_code 
------------------------------------+--------------------+------+----------------
- malformed pg_dependencies: "null" | Unexpected scalar. |      | 22P02
+              message              |              detail               | hint | sql_error_code 
+-----------------------------------+-----------------------------------+------+----------------
+ malformed pg_dependencies: "null" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('{"a": 1}', 'pg_dependencies');
@@ -129,44 +129,44 @@ SELECT '[{"attributes" : ["\ud83d",3], "dependency" : 4, "degree": 0.250}]'::pg_
 ERROR:  malformed pg_dependencies: "[{"attributes" : ["\ud83d",3], "dependency" : 4, "degree": 0.250}]"
 LINE 1: SELECT '[{"attributes" : ["\ud83d",3], "dependency" : 4, "de...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT '[{"attributes" : [2,3], "dependency" : "\ud83d", "degree": 0.250}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : "\ud83d", "degree": 0.250}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : "\ud83d", "de...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT '[{"attributes" : [2,3], "dependency" : 4, "degree": "\ud83d"}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": "\ud83d"}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : 4, "degree": ...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT '[{"\ud83d" : [2,3], "dependency" : 4, "degree": 0.250}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"\ud83d" : [2,3], "dependency" : 4, "degree": 0.250}]"
 LINE 1: SELECT '[{"\ud83d" : [2,3], "dependency" : 4, "degree": 0.25...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT * FROM pg_input_error_info('[{"attributes" : ["\ud83d",3], "dependency" : 4, "degree": 0.250}]', 'pg_dependencies');
-                                             message                                             |       detail        | hint | sql_error_code 
--------------------------------------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : ["\ud83d",3], "dependency" : 4, "degree": 0.250}]" | Must be valid JSON. |      | 22P02
+                                             message                                             |             detail             | hint | sql_error_code 
+-------------------------------------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : ["\ud83d",3], "dependency" : 4, "degree": 0.250}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : "\ud83d", "degree": 0.250}]', 'pg_dependencies');
-                                             message                                             |       detail        | hint | sql_error_code 
--------------------------------------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : "\ud83d", "degree": 0.250}]" | Must be valid JSON. |      | 22P02
+                                             message                                             |             detail             | hint | sql_error_code 
+-------------------------------------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : "\ud83d", "degree": 0.250}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : 4, "degree": "\ud83d"}]', 'pg_dependencies');
-                                           message                                           |       detail        | hint | sql_error_code 
----------------------------------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": "\ud83d"}]" | Must be valid JSON. |      | 22P02
+                                           message                                           |             detail             | hint | sql_error_code 
+---------------------------------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": "\ud83d"}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"\ud83d" : [2,3], "dependency" : 4, "degree": 0.250}]', 'pg_dependencies');
-                                       message                                        |       detail        | hint | sql_error_code 
---------------------------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_dependencies: "[{"\ud83d" : [2,3], "dependency" : 4, "degree": 0.250}]" | Must be valid JSON. |      | 22P02
+                                       message                                        |             detail             | hint | sql_error_code 
+--------------------------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_dependencies: "[{"\ud83d" : [2,3], "dependency" : 4, "degree": 0.250}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 -- Valid keys, invalid values
@@ -174,7 +174,7 @@ SELECT '[{"attributes" : null, "dependency" : 4, "degree": 1.000}]'::pg_dependen
 ERROR:  malformed pg_dependencies: "[{"attributes" : null, "dependency" : 4, "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : null, "dependency" : 4, "degree": 1...
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '[{"attributes" : [2,null], "dependency" : 4, "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,null], "dependency" : 4, "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,null], "dependency" : 4, "degree...
@@ -184,51 +184,51 @@ SELECT '[{"attributes" : [2,3], "dependency" : null, "degree": 1.000}]'::pg_depe
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : null, "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : null, "degree...
                ^
-DETAIL:  Invalid "dependency" value.
+DETAIL:  Key "dependency" has an incorrect value.
 SELECT '[{"attributes" : [2,"a"], "dependency" : 4, "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,"a"], "dependency" : 4, "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,"a"], "dependency" : 4, "degree"...
                ^
-DETAIL:  Invalid "attributes" value.
+DETAIL:  Key "attributes" has an incorrect value.
 SELECT '[{"attributes" : [2,3], "dependency" : "a", "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : "a", "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : "a", "degree"...
                ^
-DETAIL:  Invalid "dependency" value.
+DETAIL:  Key "dependency" has an incorrect value.
 SELECT '[{"attributes" : [2,3], "dependency" : [], "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [], "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : [], "degree":...
                ^
-DETAIL:  Array found in unexpected place.
+DETAIL:  Array has been found at an unexpected location.
 SELECT '[{"attributes" : [2,3], "dependency" : [null], "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [null], "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : [null], "degr...
                ^
-DETAIL:  Array found in unexpected place.
+DETAIL:  Array has been found at an unexpected location.
 SELECT '[{"attributes" : [2,3], "dependency" : [1,null], "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [1,null], "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : [1,null], "de...
                ^
-DETAIL:  Array found in unexpected place.
+DETAIL:  Array has been found at an unexpected location.
 SELECT '[{"attributes" : 1, "dependency" : 4, "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : 1, "dependency" : 4, "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : 1, "dependency" : 4, "degree": 1.00...
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '[{"attributes" : "a", "dependency" : 4, "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : "a", "dependency" : 4, "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : "a", "dependency" : 4, "degree": 1....
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '[{"attributes" : [2,3], "dependency" : 4, "degree": NaN}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": NaN}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : 4, "degree": ...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT * FROM pg_input_error_info('[{"attributes" : null, "dependency" : 4, "degree": 1.000}]', 'pg_dependencies');
-                                         message                                         |       detail       | hint | sql_error_code 
------------------------------------------------------------------------------------------+--------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : null, "dependency" : 4, "degree": 1.000}]" | Unexpected scalar. |      | 22P02
+                                         message                                         |              detail               | hint | sql_error_code 
+-----------------------------------------------------------------------------------------+-----------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : null, "dependency" : 4, "degree": 1.000}]" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,null], "dependency" : 4, "degree": 1.000}]', 'pg_dependencies');
@@ -238,57 +238,57 @@ SELECT * FROM pg_input_error_info('[{"attributes" : [2,null], "dependency" : 4,
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : null, "degree": 1.000}]', 'pg_dependencies');
-                                           message                                           |           detail            | hint | sql_error_code 
----------------------------------------------------------------------------------------------+-----------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : null, "degree": 1.000}]" | Invalid "dependency" value. |      | 22P02
+                                           message                                           |                  detail                  | hint | sql_error_code 
+---------------------------------------------------------------------------------------------+------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : null, "degree": 1.000}]" | Key "dependency" has an incorrect value. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,"a"], "dependency" : 4, "degree": 1.000}]', 'pg_dependencies');
-                                          message                                           |           detail            | hint | sql_error_code 
---------------------------------------------------------------------------------------------+-----------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,"a"], "dependency" : 4, "degree": 1.000}]" | Invalid "attributes" value. |      | 22P02
+                                          message                                           |                  detail                  | hint | sql_error_code 
+--------------------------------------------------------------------------------------------+------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,"a"], "dependency" : 4, "degree": 1.000}]" | Key "attributes" has an incorrect value. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : "a", "degree": 1.000}]', 'pg_dependencies');
-                                          message                                           |           detail            | hint | sql_error_code 
---------------------------------------------------------------------------------------------+-----------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : "a", "degree": 1.000}]" | Invalid "dependency" value. |      | 22P02
+                                          message                                           |                  detail                  | hint | sql_error_code 
+--------------------------------------------------------------------------------------------+------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : "a", "degree": 1.000}]" | Key "dependency" has an incorrect value. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : [], "degree": 1.000}]', 'pg_dependencies');
-                                          message                                          |              detail              | hint | sql_error_code 
--------------------------------------------------------------------------------------------+----------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [], "degree": 1.000}]" | Array found in unexpected place. |      | 22P02
+                                          message                                          |                     detail                      | hint | sql_error_code 
+-------------------------------------------------------------------------------------------+-------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [], "degree": 1.000}]" | Array has been found at an unexpected location. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : [null], "degree": 1.000}]', 'pg_dependencies');
-                                            message                                            |              detail              | hint | sql_error_code 
------------------------------------------------------------------------------------------------+----------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [null], "degree": 1.000}]" | Array found in unexpected place. |      | 22P02
+                                            message                                            |                     detail                      | hint | sql_error_code 
+-----------------------------------------------------------------------------------------------+-------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [null], "degree": 1.000}]" | Array has been found at an unexpected location. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : [1,null], "degree": 1.000}]', 'pg_dependencies');
-                                             message                                             |              detail              | hint | sql_error_code 
--------------------------------------------------------------------------------------------------+----------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [1,null], "degree": 1.000}]" | Array found in unexpected place. |      | 22P02
+                                             message                                             |                     detail                      | hint | sql_error_code 
+-------------------------------------------------------------------------------------------------+-------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : [1,null], "degree": 1.000}]" | Array has been found at an unexpected location. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : 1, "dependency" : 4, "degree": 1.000}]', 'pg_dependencies');
-                                       message                                        |       detail       | hint | sql_error_code 
---------------------------------------------------------------------------------------+--------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : 1, "dependency" : 4, "degree": 1.000}]" | Unexpected scalar. |      | 22P02
+                                       message                                        |              detail               | hint | sql_error_code 
+--------------------------------------------------------------------------------------+-----------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : 1, "dependency" : 4, "degree": 1.000}]" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : "a", "dependency" : 4, "degree": 1.000}]', 'pg_dependencies');
-                                        message                                         |       detail       | hint | sql_error_code 
-----------------------------------------------------------------------------------------+--------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : "a", "dependency" : 4, "degree": 1.000}]" | Unexpected scalar. |      | 22P02
+                                        message                                         |              detail               | hint | sql_error_code 
+----------------------------------------------------------------------------------------+-----------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : "a", "dependency" : 4, "degree": 1.000}]" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : 4, "degree": NaN}]', 'pg_dependencies');
-                                        message                                         |       detail        | hint | sql_error_code 
-----------------------------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": NaN}]" | Must be valid JSON. |      | 22P02
+                                        message                                         |             detail             | hint | sql_error_code 
+----------------------------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": NaN}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 SELECT '[{"attributes": [], "dependency": 2, "degree": 1}]' ::pg_dependencies;
@@ -317,22 +317,22 @@ SELECT '[{"dependency" : 4, "degree": "1.2"}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"dependency" : 4, "degree": "1.2"}]"
 LINE 1: SELECT '[{"dependency" : 4, "degree": "1.2"}]'::pg_dependenc...
                ^
-DETAIL:  Item must contain "attributes" key
+DETAIL:  Item must contain "attributes" key.
 SELECT '[{"attributes" : [1,2,3,4,5,6,7], "dependency" : 0, "degree": "1.2"}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [1,2,3,4,5,6,7], "dependency" : 0, "degree": "1.2"}]"
 LINE 1: SELECT '[{"attributes" : [1,2,3,4,5,6,7], "dependency" : 0, ...
                ^
-DETAIL:  Invalid "dependency" value: 0.
+DETAIL:  Key "dependency" has an incorrect value: 0.
 SELECT '[{"attributes" : [1,2,3,4,5,6,7], "dependency" : -9, "degree": "1.2"}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [1,2,3,4,5,6,7], "dependency" : -9, "degree": "1.2"}]"
 LINE 1: SELECT '[{"attributes" : [1,2,3,4,5,6,7], "dependency" : -9,...
                ^
-DETAIL:  Invalid "dependency" value: -9.
+DETAIL:  Key "dependency" has an incorrect value: -9.
 SELECT '[{"attributes": [1,2], "dependency": 2, "degree": 1}]' ::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes": [1,2], "dependency": 2, "degree": 1}]"
 LINE 1: SELECT '[{"attributes": [1,2], "dependency": 2, "degree": 1}...
                ^
-DETAIL:  Item "dependency" value 2 found in the "attributes" list.
+DETAIL:  Item "dependency" with value 2 has been found in the "attributes" list.
 SELECT '[{"attributes" : [1, {}], "dependency" : 1, "degree": "1.2"}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [1, {}], "dependency" : 1, "degree": "1.2"}]"
 LINE 1: SELECT '[{"attributes" : [1, {}], "dependency" : 1, "degree"...
@@ -352,29 +352,29 @@ SELECT '[{"attributes" : [1,2], "dependency" : 1, "degree": "a"}]'::pg_dependenc
 ERROR:  malformed pg_dependencies: "[{"attributes" : [1,2], "dependency" : 1, "degree": "a"}]"
 LINE 1: SELECT '[{"attributes" : [1,2], "dependency" : 1, "degree": ...
                ^
-DETAIL:  Invalid "degree" value.
+DETAIL:  Key "degree" has an incorrect value.
 SELECT * FROM pg_input_error_info('[{"dependency" : 4, "degree": "1.2"}]', 'pg_dependencies');
-                              message                               |               detail               | hint | sql_error_code 
---------------------------------------------------------------------+------------------------------------+------+----------------
- malformed pg_dependencies: "[{"dependency" : 4, "degree": "1.2"}]" | Item must contain "attributes" key |      | 22P02
+                              message                               |               detail                | hint | sql_error_code 
+--------------------------------------------------------------------+-------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"dependency" : 4, "degree": "1.2"}]" | Item must contain "attributes" key. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [1,2,3,4,5,6,7], "dependency" : 0, "degree": "1.2"}]', 'pg_dependencies');
-                                              message                                               |             detail             | hint | sql_error_code 
-----------------------------------------------------------------------------------------------------+--------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [1,2,3,4,5,6,7], "dependency" : 0, "degree": "1.2"}]" | Invalid "dependency" value: 0. |      | 22P02
+                                              message                                               |                   detail                    | hint | sql_error_code 
+----------------------------------------------------------------------------------------------------+---------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [1,2,3,4,5,6,7], "dependency" : 0, "degree": "1.2"}]" | Key "dependency" has an incorrect value: 0. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [1,2,3,4,5,6,7], "dependency" : -9, "degree": "1.2"}]', 'pg_dependencies');
-                                               message                                               |             detail              | hint | sql_error_code 
------------------------------------------------------------------------------------------------------+---------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [1,2,3,4,5,6,7], "dependency" : -9, "degree": "1.2"}]" | Invalid "dependency" value: -9. |      | 22P02
+                                               message                                               |                    detail                    | hint | sql_error_code 
+-----------------------------------------------------------------------------------------------------+----------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [1,2,3,4,5,6,7], "dependency" : -9, "degree": "1.2"}]" | Key "dependency" has an incorrect value: -9. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes": [1,2], "dependency": 2, "degree": 1}]' , 'pg_dependencies');
-                                      message                                       |                          detail                           | hint | sql_error_code 
-------------------------------------------------------------------------------------+-----------------------------------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes": [1,2], "dependency": 2, "degree": 1}]" | Item "dependency" value 2 found in the "attributes" list. |      | 22P02
+                                      message                                       |                                 detail                                  | hint | sql_error_code 
+------------------------------------------------------------------------------------+-------------------------------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes": [1,2], "dependency": 2, "degree": 1}]" | Item "dependency" with value 2 has been found in the "attributes" list. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [1, {}], "dependency" : 1, "degree": "1.2"}]', 'pg_dependencies');
@@ -396,9 +396,9 @@ SELECT * FROM pg_input_error_info('[{"attributes" : [1,2], "dependency" : 3, "de
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [1,2], "dependency" : 1, "degree": "a"}]', 'pg_dependencies');
-                                        message                                         |         detail          | hint | sql_error_code 
-----------------------------------------------------------------------------------------+-------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [1,2], "dependency" : 1, "degree": "a"}]" | Invalid "degree" value. |      | 22P02
+                                        message                                         |                detail                | hint | sql_error_code 
+----------------------------------------------------------------------------------------+--------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [1,2], "dependency" : 1, "degree": "a"}]" | Key "degree" has an incorrect value. |      | 22P02
 (1 row)
 
 -- Funky degree values, which do not fail.
@@ -422,7 +422,7 @@ SELECT '[{"attributes" : [2], "dependency" : 4, "degree": "inf"}]'::pg_dependenc
 
 SELECT '[{"attributes" : [2], "dependency" : 4, "degree": "-inf"}]'::pg_dependencies::text::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes": [2], "dependency": 4, "degree": -Infinity}]"
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 -- Duplicated keys
 SELECT '[{"attributes" : [2,3], "attributes": [1,2], "dependency" : 4, "degree": 1.000}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "attributes": [1,2], "dependency" : 4, "degree": 1.000}]"
@@ -462,22 +462,22 @@ SELECT '[{"attributes" : [0,2], "dependency" : 4, "degree": 0.500}]'::pg_depende
 ERROR:  malformed pg_dependencies: "[{"attributes" : [0,2], "dependency" : 4, "degree": 0.500}]"
 LINE 1: SELECT '[{"attributes" : [0,2], "dependency" : 4, "degree": ...
                ^
-DETAIL:  Invalid "attributes" element: 0.
+DETAIL:  Invalid "attributes" element has been found: 0.
 SELECT '[{"attributes" : [-7,-9], "dependency" : 4, "degree": 0.500}]'::pg_dependencies;
 ERROR:  malformed pg_dependencies: "[{"attributes" : [-7,-9], "dependency" : 4, "degree": 0.500}]"
 LINE 1: SELECT '[{"attributes" : [-7,-9], "dependency" : 4, "degree"...
                ^
-DETAIL:  Invalid "attributes" element: -9.
+DETAIL:  Invalid "attributes" element has been found: -9.
 SELECT * FROM pg_input_error_info('[{"attributes" : [0,2], "dependency" : 4, "degree": 0.500}]', 'pg_dependencies');
-                                         message                                          |              detail              | hint | sql_error_code 
-------------------------------------------------------------------------------------------+----------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [0,2], "dependency" : 4, "degree": 0.500}]" | Invalid "attributes" element: 0. |      | 22P02
+                                         message                                          |                     detail                      | hint | sql_error_code 
+------------------------------------------------------------------------------------------+-------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [0,2], "dependency" : 4, "degree": 0.500}]" | Invalid "attributes" element has been found: 0. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [-7,-9], "dependency" : 4, "degree": 0.500}]', 'pg_dependencies');
-                                          message                                           |              detail               | hint | sql_error_code 
---------------------------------------------------------------------------------------------+-----------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [-7,-9], "dependency" : 4, "degree": 0.500}]" | Invalid "attributes" element: -9. |      | 22P02
+                                          message                                           |                      detail                      | hint | sql_error_code 
+--------------------------------------------------------------------------------------------+--------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [-7,-9], "dependency" : 4, "degree": 0.500}]" | Invalid "attributes" element has been found: -9. |      | 22P02
 (1 row)
 
 -- Duplicated attributes
@@ -485,11 +485,11 @@ SELECT '[{"attributes" : [2,2], "dependency" : 4, "degree": 0.500}]'::pg_depende
 ERROR:  malformed pg_dependencies: "[{"attributes" : [2,2], "dependency" : 4, "degree": 0.500}]"
 LINE 1: SELECT '[{"attributes" : [2,2], "dependency" : 4, "degree": ...
                ^
-DETAIL:  Invalid "attributes" element: 2 cannot follow 2.
+DETAIL:  Invalid "attributes" element has been found: 2 cannot follow 2.
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,2], "dependency" : 4, "degree": 0.500}]', 'pg_dependencies');
-                                         message                                          |                      detail                      | hint | sql_error_code 
-------------------------------------------------------------------------------------------+--------------------------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,2], "dependency" : 4, "degree": 0.500}]" | Invalid "attributes" element: 2 cannot follow 2. |      | 22P02
+                                         message                                          |                             detail                              | hint | sql_error_code 
+------------------------------------------------------------------------------------------+-----------------------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,2], "dependency" : 4, "degree": 0.500}]" | Invalid "attributes" element has been found: 2 cannot follow 2. |      | 22P02
 (1 row)
 
 -- Duplicated attribute lists.
@@ -499,13 +499,13 @@ ERROR:  malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "d
          {"attributes" : [2,3], "dependency" : 4, "degree": 1.000}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "dependency" : 4, "degree": ...
                ^
-DETAIL:  Duplicate "attributes" array: [2, 3] with "dependency": 4.
+DETAIL:  Duplicated "attributes" array has been found: [2, 3] for key "dependency" and value 4.
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "dependency" : 4, "degree": 1.000},
          {"attributes" : [2,3], "dependency" : 4, "degree": 1.000}]', 'pg_dependencies');
-                                         message                                         |                           detail                           | hint | sql_error_code 
------------------------------------------------------------------------------------------+------------------------------------------------------------+------+----------------
- malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": 1.000},+| Duplicate "attributes" array: [2, 3] with "dependency": 4. |      | 22P02
-          {"attributes" : [2,3], "dependency" : 4, "degree": 1.000}]"                    |                                                            |      | 
+                                         message                                         |                                         detail                                         | hint | sql_error_code 
+-----------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------+------+----------------
+ malformed pg_dependencies: "[{"attributes" : [2,3], "dependency" : 4, "degree": 1.000},+| Duplicated "attributes" array has been found: [2, 3] for key "dependency" and value 4. |      | 22P02
+          {"attributes" : [2,3], "dependency" : 4, "degree": 1.000}]"                    |                                                                                        |      | 
 (1 row)
 
 -- Valid inputs
diff --git a/src/test/regress/expected/pg_ndistinct.out b/src/test/regress/expected/pg_ndistinct.out
index 736954b9301c..e03cacd25c24 100644
--- a/src/test/regress/expected/pg_ndistinct.out
+++ b/src/test/regress/expected/pg_ndistinct.out
@@ -4,7 +4,7 @@ SELECT 'null'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "null"
 LINE 1: SELECT 'null'::pg_ndistinct;
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '{"a": 1}'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "{"a": 1}"
 LINE 1: SELECT '{"a": 1}'::pg_ndistinct;
@@ -26,9 +26,9 @@ LINE 1: SELECT '[null]'::pg_ndistinct;
                ^
 DETAIL:  Item list elements cannot be null.
 SELECT * FROM pg_input_error_info('null', 'pg_ndistinct');
-            message             |       detail       | hint | sql_error_code 
---------------------------------+--------------------+------+----------------
- malformed pg_ndistinct: "null" | Unexpected scalar. |      | 22P02
+            message             |              detail               | hint | sql_error_code 
+--------------------------------+-----------------------------------+------+----------------
+ malformed pg_ndistinct: "null" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('{"a": 1}', 'pg_ndistinct');
@@ -140,44 +140,44 @@ SELECT '[{"\ud83d" : [1, 2], "ndistinct" : 4}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"\ud83d" : [1, 2], "ndistinct" : 4}]"
 LINE 1: SELECT '[{"\ud83d" : [1, 2], "ndistinct" : 4}]'::pg_ndistinc...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT '[{"attributes" : [1, 2], "\ud83d" : 4}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [1, 2], "\ud83d" : 4}]"
 LINE 1: SELECT '[{"attributes" : [1, 2], "\ud83d" : 4}]'::pg_ndistin...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT '[{"attributes" : [1, 2], "ndistinct" : "\ud83d"}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [1, 2], "ndistinct" : "\ud83d"}]"
 LINE 1: SELECT '[{"attributes" : [1, 2], "ndistinct" : "\ud83d"}]'::...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT '[{"attributes" : ["\ud83d", 2], "ndistinct" : 1}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : ["\ud83d", 2], "ndistinct" : 1}]"
 LINE 1: SELECT '[{"attributes" : ["\ud83d", 2], "ndistinct" : 1}]'::...
                ^
-DETAIL:  Must be valid JSON.
+DETAIL:  Input data must be valid JSON.
 SELECT * FROM pg_input_error_info('[{"\ud83d" : [1, 2], "ndistinct" : 4}]', 'pg_ndistinct');
-                             message                              |       detail        | hint | sql_error_code 
-------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_ndistinct: "[{"\ud83d" : [1, 2], "ndistinct" : 4}]" | Must be valid JSON. |      | 22P02
+                             message                              |             detail             | hint | sql_error_code 
+------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"\ud83d" : [1, 2], "ndistinct" : 4}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [1, 2], "\ud83d" : 4}]', 'pg_ndistinct');
-                              message                              |       detail        | hint | sql_error_code 
--------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [1, 2], "\ud83d" : 4}]" | Must be valid JSON. |      | 22P02
+                              message                              |             detail             | hint | sql_error_code 
+-------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [1, 2], "\ud83d" : 4}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [1, 2], "ndistinct" : "\ud83d"}]', 'pg_ndistinct');
-                                   message                                   |       detail        | hint | sql_error_code 
------------------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [1, 2], "ndistinct" : "\ud83d"}]" | Must be valid JSON. |      | 22P02
+                                   message                                   |             detail             | hint | sql_error_code 
+-----------------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [1, 2], "ndistinct" : "\ud83d"}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : ["\ud83d", 2], "ndistinct" : 1}]', 'pg_ndistinct');
-                                   message                                   |       detail        | hint | sql_error_code 
------------------------------------------------------------------------------+---------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : ["\ud83d", 2], "ndistinct" : 1}]" | Must be valid JSON. |      | 22P02
+                                   message                                   |             detail             | hint | sql_error_code 
+-----------------------------------------------------------------------------+--------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : ["\ud83d", 2], "ndistinct" : 1}]" | Input data must be valid JSON. |      | 22P02
 (1 row)
 
 -- Valid keys, invalid values
@@ -185,7 +185,7 @@ SELECT '[{"attributes" : null, "ndistinct" : 4}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : null, "ndistinct" : 4}]"
 LINE 1: SELECT '[{"attributes" : null, "ndistinct" : 4}]'::pg_ndisti...
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '[{"attributes" : [], "ndistinct" : 1}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [], "ndistinct" : 1}]"
 LINE 1: SELECT '[{"attributes" : [], "ndistinct" : 1}]'::pg_ndistinc...
@@ -205,32 +205,32 @@ SELECT '[{"attributes" : [2,3], "ndistinct" : null}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : null}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : null}]'::pg_nd...
                ^
-DETAIL:  Invalid "ndistinct" value.
+DETAIL:  Key "ndistinct" has an incorrect value.
 SELECT '[{"attributes" : [2,"a"], "ndistinct" : 4}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,"a"], "ndistinct" : 4}]"
 LINE 1: SELECT '[{"attributes" : [2,"a"], "ndistinct" : 4}]'::pg_ndi...
                ^
-DETAIL:  Invalid "attributes" value.
+DETAIL:  Key "attributes" has an incorrect value.
 SELECT '[{"attributes" : [2,3], "ndistinct" : "a"}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : "a"}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : "a"}]'::pg_ndi...
                ^
-DETAIL:  Invalid "ndistinct" value.
+DETAIL:  Key "ndistinct" has an incorrect value.
 SELECT '[{"attributes" : [2,3], "ndistinct" : []}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : []}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : []}]'::pg_ndis...
                ^
-DETAIL:  Array found in unexpected place.
+DETAIL:  Array has been found at an unexpected location.
 SELECT '[{"attributes" : [2,3], "ndistinct" : [null]}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : [null]}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : [null]}]'::pg_...
                ^
-DETAIL:  Array found in unexpected place.
+DETAIL:  Array has been found at an unexpected location.
 SELECT '[{"attributes" : [2,3], "ndistinct" : [1,null]}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : [1,null]}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : [1,null]}]'::p...
                ^
-DETAIL:  Array found in unexpected place.
+DETAIL:  Array has been found at an unexpected location.
 SELECT '[{"attributes" : [2,3], "ndistinct" : {"a": 1}}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : {"a": 1}}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : {"a": 1}}]'::p...
@@ -240,22 +240,22 @@ SELECT '[{"attributes" : [0,1], "ndistinct" : 1}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [0,1], "ndistinct" : 1}]"
 LINE 1: SELECT '[{"attributes" : [0,1], "ndistinct" : 1}]'::pg_ndist...
                ^
-DETAIL:  Invalid "attributes" element: 0.
+DETAIL:  Invalid "attributes" element has been found: 0.
 SELECT '[{"attributes" : [-7,-9], "ndistinct" : 1}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [-7,-9], "ndistinct" : 1}]"
 LINE 1: SELECT '[{"attributes" : [-7,-9], "ndistinct" : 1}]'::pg_ndi...
                ^
-DETAIL:  Invalid "attributes" element: -9.
+DETAIL:  Invalid "attributes" element has been found: -9.
 SELECT '[{"attributes" : 1, "ndistinct" : 4}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : 1, "ndistinct" : 4}]"
 LINE 1: SELECT '[{"attributes" : 1, "ndistinct" : 4}]'::pg_ndistinct...
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '[{"attributes" : "a", "ndistinct" : 4}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : "a", "ndistinct" : 4}]"
 LINE 1: SELECT '[{"attributes" : "a", "ndistinct" : 4}]'::pg_ndistin...
                ^
-DETAIL:  Unexpected scalar.
+DETAIL:  Unexpected scalar has been found.
 SELECT '[{"attributes" : {"a": 1}, "ndistinct" : 1}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : {"a": 1}, "ndistinct" : 1}]"
 LINE 1: SELECT '[{"attributes" : {"a": 1}, "ndistinct" : 1}]'::pg_nd...
@@ -267,9 +267,9 @@ LINE 1: SELECT '[{"attributes" : [1, {"a": 1}], "ndistinct" : 1}]'::...
                ^
 DETAIL:  Attribute lists can only contain attribute numbers.
 SELECT * FROM pg_input_error_info('[{"attributes" : null, "ndistinct" : 4}]', 'pg_ndistinct');
-                              message                               |       detail       | hint | sql_error_code 
---------------------------------------------------------------------+--------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : null, "ndistinct" : 4}]" | Unexpected scalar. |      | 22P02
+                              message                               |              detail               | hint | sql_error_code 
+--------------------------------------------------------------------+-----------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : null, "ndistinct" : 4}]" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [], "ndistinct" : 1}]', 'pg_ndistinct');
@@ -291,39 +291,39 @@ SELECT * FROM pg_input_error_info('[{"attributes" : [2,null], "ndistinct" : 4}]'
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : null}]', 'pg_ndistinct');
-                                message                                 |           detail           | hint | sql_error_code 
-------------------------------------------------------------------------+----------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : null}]" | Invalid "ndistinct" value. |      | 22P02
+                                message                                 |                 detail                  | hint | sql_error_code 
+------------------------------------------------------------------------+-----------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : null}]" | Key "ndistinct" has an incorrect value. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,"a"], "ndistinct" : 4}]', 'pg_ndistinct');
-                                message                                |           detail            | hint | sql_error_code 
------------------------------------------------------------------------+-----------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,"a"], "ndistinct" : 4}]" | Invalid "attributes" value. |      | 22P02
+                                message                                |                  detail                  | hint | sql_error_code 
+-----------------------------------------------------------------------+------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,"a"], "ndistinct" : 4}]" | Key "attributes" has an incorrect value. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : "a"}]', 'pg_ndistinct');
-                                message                                |           detail           | hint | sql_error_code 
------------------------------------------------------------------------+----------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : "a"}]" | Invalid "ndistinct" value. |      | 22P02
+                                message                                |                 detail                  | hint | sql_error_code 
+-----------------------------------------------------------------------+-----------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : "a"}]" | Key "ndistinct" has an incorrect value. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : []}]', 'pg_ndistinct');
-                               message                                |              detail              | hint | sql_error_code 
-----------------------------------------------------------------------+----------------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : []}]" | Array found in unexpected place. |      | 22P02
+                               message                                |                     detail                      | hint | sql_error_code 
+----------------------------------------------------------------------+-------------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : []}]" | Array has been found at an unexpected location. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : [null]}]', 'pg_ndistinct');
-                                 message                                  |              detail              | hint | sql_error_code 
---------------------------------------------------------------------------+----------------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : [null]}]" | Array found in unexpected place. |      | 22P02
+                                 message                                  |                     detail                      | hint | sql_error_code 
+--------------------------------------------------------------------------+-------------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : [null]}]" | Array has been found at an unexpected location. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : [1,null]}]', 'pg_ndistinct');
-                                  message                                   |              detail              | hint | sql_error_code 
-----------------------------------------------------------------------------+----------------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : [1,null]}]" | Array found in unexpected place. |      | 22P02
+                                  message                                   |                     detail                      | hint | sql_error_code 
+----------------------------------------------------------------------------+-------------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : [1,null]}]" | Array has been found at an unexpected location. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : {"a": 1}}]', 'pg_ndistinct');
@@ -333,27 +333,27 @@ SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : {"a": 1
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : 1, "ndistinct" : 4}]', 'pg_ndistinct');
-                             message                             |       detail       | hint | sql_error_code 
------------------------------------------------------------------+--------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : 1, "ndistinct" : 4}]" | Unexpected scalar. |      | 22P02
+                             message                             |              detail               | hint | sql_error_code 
+-----------------------------------------------------------------+-----------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : 1, "ndistinct" : 4}]" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : [-7,-9], "ndistinct" : 1}]', 'pg_ndistinct');
-                                message                                |              detail               | hint | sql_error_code 
------------------------------------------------------------------------+-----------------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [-7,-9], "ndistinct" : 1}]" | Invalid "attributes" element: -9. |      | 22P02
+                                message                                |                      detail                      | hint | sql_error_code 
+-----------------------------------------------------------------------+--------------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [-7,-9], "ndistinct" : 1}]" | Invalid "attributes" element has been found: -9. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : 1, "ndistinct" : 4}]', 'pg_ndistinct');
-                             message                             |       detail       | hint | sql_error_code 
------------------------------------------------------------------+--------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : 1, "ndistinct" : 4}]" | Unexpected scalar. |      | 22P02
+                             message                             |              detail               | hint | sql_error_code 
+-----------------------------------------------------------------+-----------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : 1, "ndistinct" : 4}]" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : "a", "ndistinct" : 4}]', 'pg_ndistinct');
-                              message                              |       detail       | hint | sql_error_code 
--------------------------------------------------------------------+--------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : "a", "ndistinct" : 4}]" | Unexpected scalar. |      | 22P02
+                              message                              |              detail               | hint | sql_error_code 
+-------------------------------------------------------------------+-----------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : "a", "ndistinct" : 4}]" | Unexpected scalar has been found. |      | 22P02
 (1 row)
 
 SELECT * FROM pg_input_error_info('[{"attributes" : {"a": 1}, "ndistinct" : 1}]', 'pg_ndistinct');
@@ -373,11 +373,11 @@ SELECT '[{"attributes" : [2,2], "ndistinct" : 4}]'::pg_ndistinct;
 ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,2], "ndistinct" : 4}]"
 LINE 1: SELECT '[{"attributes" : [2,2], "ndistinct" : 4}]'::pg_ndist...
                ^
-DETAIL:  Invalid "attributes" element: 2 cannot follow 2.
+DETAIL:  Invalid "attributes" element has been found: 2 cannot follow 2.
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,2], "ndistinct" : 4}]', 'pg_ndistinct');
-                               message                               |                      detail                      | hint | sql_error_code 
----------------------------------------------------------------------+--------------------------------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,2], "ndistinct" : 4}]" | Invalid "attributes" element: 2 cannot follow 2. |      | 22P02
+                               message                               |                             detail                              | hint | sql_error_code 
+---------------------------------------------------------------------+-----------------------------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,2], "ndistinct" : 4}]" | Invalid "attributes" element has been found: 2 cannot follow 2. |      | 22P02
 (1 row)
 
 -- Duplicated attribute lists.
@@ -387,13 +387,13 @@ ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : 4},
          {"attributes" : [2,3], "ndistinct" : 4}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : 4},
                ^
-DETAIL:  Duplicated "attributes" array found: [2, 3]
+DETAIL:  Duplicated "attributes" array has been found: [2, 3]
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : 4},
          {"attributes" : [2,3], "ndistinct" : 4}]', 'pg_ndistinct');
-                              message                               |                   detail                    | hint | sql_error_code 
---------------------------------------------------------------------+---------------------------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : 4},+| Duplicated "attributes" array found: [2, 3] |      | 22P02
-          {"attributes" : [2,3], "ndistinct" : 4}]"                 |                                             |      | 
+                              message                               |                        detail                        | hint | sql_error_code 
+--------------------------------------------------------------------+------------------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : 4},+| Duplicated "attributes" array has been found: [2, 3] |      | 22P02
+          {"attributes" : [2,3], "ndistinct" : 4}]"                 |                                                      |      | 
 (1 row)
 
 -- Partially-covered attribute lists.
@@ -407,17 +407,17 @@ ERROR:  malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : 4},
          {"attributes" : [1,3,-1,-2], "ndistinct" : 4}]"
 LINE 1: SELECT '[{"attributes" : [2,3], "ndistinct" : 4},
                ^
-DETAIL:  "attributes" array: [2, 3] must be a subset of array: [1, 3, -1, -2]
+DETAIL:  "attributes" array [2, 3] must be a subset of array [1, 3, -1, -2].
 SELECT * FROM pg_input_error_info('[{"attributes" : [2,3], "ndistinct" : 4},
          {"attributes" : [2,-1], "ndistinct" : 4},
          {"attributes" : [2,3,-1], "ndistinct" : 4},
          {"attributes" : [1,3,-1,-2], "ndistinct" : 4}]', 'pg_ndistinct');
-                              message                               |                                detail                                | hint | sql_error_code 
---------------------------------------------------------------------+----------------------------------------------------------------------+------+----------------
- malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : 4},+| "attributes" array: [2, 3] must be a subset of array: [1, 3, -1, -2] |      | 22P02
-          {"attributes" : [2,-1], "ndistinct" : 4},                +|                                                                      |      | 
-          {"attributes" : [2,3,-1], "ndistinct" : 4},              +|                                                                      |      | 
-          {"attributes" : [1,3,-1,-2], "ndistinct" : 4}]"           |                                                                      |      | 
+                              message                               |                               detail                                | hint | sql_error_code 
+--------------------------------------------------------------------+---------------------------------------------------------------------+------+----------------
+ malformed pg_ndistinct: "[{"attributes" : [2,3], "ndistinct" : 4},+| "attributes" array [2, 3] must be a subset of array [1, 3, -1, -2]. |      | 22P02
+          {"attributes" : [2,-1], "ndistinct" : 4},                +|                                                                     |      | 
+          {"attributes" : [2,3,-1], "ndistinct" : 4},              +|                                                                     |      | 
+          {"attributes" : [1,3,-1,-2], "ndistinct" : 4}]"           |                                                                     |      | 
 (1 row)
 
 -- Valid inputs
-- 
2.51.0

