diff options
| author | Bruce Momjian <bruce@momjian.us> | 1999-04-17 17:18:41 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 1999-04-17 17:18:41 +0000 |
| commit | 00a4196139ab15110c5e46e1002fe7ad523250d8 (patch) | |
| tree | ddcc3c6b9bfa0e331f8cbe340158b897bfb6e08c /doc/src | |
| parent | 1b9f24c87850416f6c1826210b281cfce824b25f (diff) | |
Add res checking to libpq examples, from Dan Merillat.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/libpq.sgml | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml index 19c73502094..cbde3387fc3 100644 --- a/doc/src/sgml/libpq.sgml +++ b/doc/src/sgml/libpq.sgml @@ -1600,7 +1600,7 @@ main() /* start a transaction block */ res = PQexec(conn, "BEGIN"); - if (PQresultStatus(res) != PGRES_COMMAND_OK) + if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "BEGIN command failed\n"); PQclear(res); @@ -1618,7 +1618,7 @@ main() * databases */ res = PQexec(conn, "DECLARE mycursor CURSOR FOR select * from pg_database"); - if (PQresultStatus(res) != PGRES_COMMAND_OK) + if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "DECLARE CURSOR command failed\n"); PQclear(res); @@ -1626,7 +1626,7 @@ main() } PQclear(res); res = PQexec(conn, "FETCH ALL in mycursor"); - if (PQresultStatus(res) != PGRES_TUPLES_OK) + if (!res || PQresultStatus(res) != PGRES_TUPLES_OK) { fprintf(stderr, "FETCH ALL command didn't return tuples properly\n"); PQclear(res); @@ -1742,7 +1742,7 @@ main() } res = PQexec(conn, "LISTEN TBL2"); - if (PQresultStatus(res) != PGRES_COMMAND_OK) + if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "LISTEN command failed\n"); PQclear(res); @@ -1871,7 +1871,7 @@ main() /* start a transaction block */ res = PQexec(conn, "BEGIN"); - if (PQresultStatus(res) != PGRES_COMMAND_OK) + if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "BEGIN command failed\n"); PQclear(res); @@ -1889,7 +1889,7 @@ main() * databases */ res = PQexec(conn, "DECLARE mycursor BINARY CURSOR FOR select * from test1"); - if (PQresultStatus(res) != PGRES_COMMAND_OK) + if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) { fprintf(stderr, "DECLARE CURSOR command failed\n"); PQclear(res); @@ -1898,7 +1898,7 @@ main() PQclear(res); res = PQexec(conn, "FETCH ALL in mycursor"); - if (PQresultStatus(res) != PGRES_TUPLES_OK) + if (!res || PQresultStatus(res) != PGRES_TUPLES_OK) { fprintf(stderr, "FETCH ALL command didn't return tuples properly\n"); PQclear(res); |