proxysql/deps/postgresql/fmt_err_msg.patch

diff --git src/bin/psql/startup.c src/bin/psql/startup.c
index 5a28b6f..c11f3d9 100644
--- src/bin/psql/startup.c
+++ src/bin/psql/startup.c
@@ -1135,9 +1135,13 @@ verbosity_hook(const char *newval)
 		pset.verbosity = PQERRORS_TERSE;
 	else if (pg_strcasecmp(newval, "sqlstate") == 0)
 		pset.verbosity = PQERRORS_SQLSTATE;
+	else if (pg_strcasecmp(newval, "formatted_default") == 0)
+		pset.verbosity = PSERRORS_FORMATTED_DEFAULT;
+	else if (pg_strcasecmp(newval, "formatted_verbose") == 0)
+		pset.verbosity = PSERRORS_FORMATTED_VERBOSE;
 	else
 	{
-		PsqlVarEnumError("VERBOSITY", newval, "default, verbose, terse, sqlstate");
+		PsqlVarEnumError("VERBOSITY", newval, "default, verbose, terse, sqlstate, formatted_default, formatted_verbose");
 		return false;
 	}
 
diff --git src/interfaces/libpq/fe-protocol3.c src/interfaces/libpq/fe-protocol3.c
index e1fb48b..7ad19ba 100644
--- src/interfaces/libpq/fe-protocol3.c
+++ src/interfaces/libpq/fe-protocol3.c
@@ -1016,6 +1016,54 @@ pqBuildErrorMessage3(PQExpBuffer msg, const PGresult *res,
 		return;
 	}
 
+	if (verbosity == PSERRORS_FORMATTED_DEFAULT || verbosity == PSERRORS_FORMATTED_VERBOSE)
+	{
+		size_t i;
+
+		// Always included fields
+		static const char default_fields[] = {
+			PG_DIAG_SEVERITY,
+			PG_DIAG_SQLSTATE,
+			PG_DIAG_MESSAGE_PRIMARY
+		};
+
+		// Verbose-only fields
+		static const char verbose_fields[] = {
+			PG_DIAG_MESSAGE_DETAIL,
+			PG_DIAG_MESSAGE_HINT,
+			PG_DIAG_STATEMENT_POSITION,
+			PG_DIAG_INTERNAL_POSITION,
+			PG_DIAG_INTERNAL_QUERY,
+			PG_DIAG_CONTEXT,
+			PG_DIAG_SOURCE_FILE,
+			PG_DIAG_SOURCE_LINE,
+			PG_DIAG_SOURCE_FUNCTION,
+			PG_DIAG_SCHEMA_NAME,
+			PG_DIAG_TABLE_NAME,
+			PG_DIAG_COLUMN_NAME,
+			PG_DIAG_DATATYPE_NAME,
+			PG_DIAG_CONSTRAINT_NAME
+		};
+	
+		for (i = 0; i < sizeof(default_fields) / sizeof(default_fields[0]); ++i)
+		{
+			val = PQresultErrorField(res, default_fields[i]);
+			if (val)
+				appendPQExpBuffer(msg, "%c:%d:%s", default_fields[i], (int)strlen(val), val);
+		}
+	
+		if (verbosity != PSERRORS_FORMATTED_VERBOSE)
+			return;
+	
+		for (i = 0; i < sizeof(verbose_fields) / sizeof(verbose_fields[0]); ++i)
+		{
+			val = PQresultErrorField(res, verbose_fields[i]);
+			if (val)
+				appendPQExpBuffer(msg, "%c:%d:%s", verbose_fields[i], (int)strlen(val), val);
+		}
+		return;
+	}
+
 	/* Else build error message from relevant fields */
 	val = PQresultErrorField(res, PG_DIAG_SEVERITY);
 	if (val)
diff --git src/interfaces/libpq/libpq-fe.h src/interfaces/libpq/libpq-fe.h
index cd2f31d..47f25e0 100644
--- src/interfaces/libpq/libpq-fe.h
+++ src/interfaces/libpq/libpq-fe.h
@@ -127,7 +127,9 @@ typedef enum
 	PQERRORS_TERSE,				/* single-line error messages */
 	PQERRORS_DEFAULT,			/* recommended style */
 	PQERRORS_VERBOSE,			/* all the facts, ma'am */
-	PQERRORS_SQLSTATE			/* only error severity and SQLSTATE code */
+	PQERRORS_SQLSTATE,			/* only error severity and SQLSTATE code */
+	PSERRORS_FORMATTED_DEFAULT,	/* formatted default error message */
+	PSERRORS_FORMATTED_VERBOSE 	/* formatted verbose error message */
 } PGVerbosity;
 
 typedef enum