Fix libpq example programs

When these programs call pg_catalog.set_config, they need to check for
PGRES_TUPLES_OK instead of PGRES_COMMAND_OK.  Fix for
5770172cb0c9df9e6ce27c507b449557e5b45124.

Reported-by: Ideriha, Takeshi <ideriha.takeshi@jp.fujitsu.com>

7 files changed, 8 insertions, 8 deletions

diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 758798f2732..1cba6a0d375 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -8084,7 +8084,7 @@ main(int argc, char **argv)
     /* Set always-secure search path, so malicous users can't take control. */
     res = PQexec(conn,
                  "SELECT pg_catalog.set_config('search_path', '', false)");
-    if (PQresultStatus(res) != PGRES_COMMAND_OK)
+    if (PQresultStatus(res) != PGRES_TUPLES_OK)
     {
         fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
         PQclear(res);
@@ -8254,7 +8254,7 @@ main(int argc, char **argv)
     /* Set always-secure search path, so malicous users can't take control. */
     res = PQexec(conn,
                  "SELECT pg_catalog.set_config('search_path', '', false)");
-    if (PQresultStatus(res) != PGRES_COMMAND_OK)
+    if (PQresultStatus(res) != PGRES_TUPLES_OK)
     {
         fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
         PQclear(res);
diff --git a/doc/src/sgml/lobj.sgml b/doc/src/sgml/lobj.sgml
index 5bb1a161119..152eb6d44ab 100644
--- a/doc/src/sgml/lobj.sgml
+++ b/doc/src/sgml/lobj.sgml
@@ -902,7 +902,7 @@ main(int argc, char **argv)
     /* Set always-secure search path, so malicous users can't take control. */
     res = PQexec(conn,
                  "SELECT pg_catalog.set_config('search_path', '', false)");
-    if (PQresultStatus(res) != PGRES_COMMAND_OK)
+    if (PQresultStatus(res) != PGRES_TUPLES_OK)
     {
         fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
         PQclear(res);
diff --git a/src/test/examples/testlibpq.c b/src/test/examples/testlibpq.c
index 92a05e53093..d9c6c4587d4 100644
--- a/src/test/examples/testlibpq.c
+++ b/src/test/examples/testlibpq.c
@@ -51,7 +51,7 @@ main(int argc, char **argv)
 	/* Set always-secure search path, so malicous users can't take control. */
 	res = PQexec(conn,
 				 "SELECT pg_catalog.set_config('search_path', '', false)");
-	if (PQresultStatus(res) != PGRES_COMMAND_OK)
+	if (PQresultStatus(res) != PGRES_TUPLES_OK)
 	{
 		fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
 		PQclear(res);
diff --git a/src/test/examples/testlibpq2.c b/src/test/examples/testlibpq2.c
index 76787fe010b..62ecd68b55e 100644
--- a/src/test/examples/testlibpq2.c
+++ b/src/test/examples/testlibpq2.c
@@ -80,7 +80,7 @@ main(int argc, char **argv)
 	/* Set always-secure search path, so malicous users can't take control. */
 	res = PQexec(conn,
 				 "SELECT pg_catalog.set_config('search_path', '', false)");
-	if (PQresultStatus(res) != PGRES_COMMAND_OK)
+	if (PQresultStatus(res) != PGRES_TUPLES_OK)
 	{
 		fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
 		PQclear(res);
diff --git a/src/test/examples/testlibpq4.c b/src/test/examples/testlibpq4.c
index a20f6249b4e..6fcbdda2fa7 100644
--- a/src/test/examples/testlibpq4.c
+++ b/src/test/examples/testlibpq4.c
@@ -37,7 +37,7 @@ check_prepare_conn(PGconn *conn, const char *dbName)
 	/* Set always-secure search path, so malicous users can't take control. */
 	res = PQexec(conn,
 				 "SELECT pg_catalog.set_config('search_path', '', false)");
-	if (PQresultStatus(res) != PGRES_COMMAND_OK)
+	if (PQresultStatus(res) != PGRES_TUPLES_OK)
 	{
 		fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
 		PQclear(res);
diff --git a/src/test/examples/testlo.c b/src/test/examples/testlo.c
index 6a9846cb5a6..c853d74e828 100644
--- a/src/test/examples/testlo.c
+++ b/src/test/examples/testlo.c
@@ -235,7 +235,7 @@ main(int argc, char **argv)
 	/* Set always-secure search path, so malicous users can't take control. */
 	res = PQexec(conn,
 				 "SELECT pg_catalog.set_config('search_path', '', false)");
-	if (PQresultStatus(res) != PGRES_COMMAND_OK)
+	if (PQresultStatus(res) != PGRES_TUPLES_OK)
 	{
 		fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
 		PQclear(res);
diff --git a/src/test/examples/testlo64.c b/src/test/examples/testlo64.c
index 4df9bb5351a..e83a78371e8 100644
--- a/src/test/examples/testlo64.c
+++ b/src/test/examples/testlo64.c
@@ -259,7 +259,7 @@ main(int argc, char **argv)
 	/* Set always-secure search path, so malicous users can't take control. */
 	res = PQexec(conn,
 				 "SELECT pg_catalog.set_config('search_path', '', false)");
-	if (PQresultStatus(res) != PGRES_COMMAND_OK)
+	if (PQresultStatus(res) != PGRES_TUPLES_OK)
 	{
 		fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
 		PQclear(res);