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Correctly handle an empty error message from PQescapeIdentifier

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This commit is contained in:
Daniele Varrazzo 2014-06-05 13:41:45 +02:00
parent 2a380eed0c
commit 34d3ac428c
1 changed files with 2 additions and 1 deletions
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3
psycopg/cursor_type.c
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@ -1021,7 +1021,8 @@ _escape_identifier(PGconn *pgconn, const char *str, size_t length)
rv = PQescapeIdentifier(pgconn, str, length);
if (!rv) {
char *msg;
if (!(msg = PQerrorMessage(pgconn))) {
msg = PQerrorMessage(pgconn);
if (!msg || !msg[0]) {
msg = "no message provided";
}
PyErr_Format(InterfaceError, "failed to escape identifier: %s", msg);