diff options
author | Simon Hausmann <simon.hausmann@nokia.com> | 2009-07-13 15:28:09 (GMT) |
---|---|---|
committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-07-13 15:28:09 (GMT) |
commit | 650353f402d725688821b83904fe6319c8afa4da (patch) | |
tree | 943c251676fe006e723e991bd126c002bcbb7bbd /src/sql/drivers/psql/qsql_psql.cpp | |
parent | 4a82d7cc185bd98ec8183fb0ccadefd3196b3ee2 (diff) | |
parent | 754d9c2f1d0dce16017b99f766c1fa3e47b0afde (diff) | |
download | Qt-650353f402d725688821b83904fe6319c8afa4da.zip Qt-650353f402d725688821b83904fe6319c8afa4da.tar.gz Qt-650353f402d725688821b83904fe6319c8afa4da.tar.bz2 |
Merge branch 'master' of scm.dev.nokia.troll.no:qt/qt into qtwebkit-4.6-staging
Conflicts:
util/webkit/mkdist-webkit
Diffstat (limited to 'src/sql/drivers/psql/qsql_psql.cpp')
-rw-r--r-- | src/sql/drivers/psql/qsql_psql.cpp | 51 |
1 files changed, 44 insertions, 7 deletions
diff --git a/src/sql/drivers/psql/qsql_psql.cpp b/src/sql/drivers/psql/qsql_psql.cpp index d197388..c61c526 100644 --- a/src/sql/drivers/psql/qsql_psql.cpp +++ b/src/sql/drivers/psql/qsql_psql.cpp @@ -54,11 +54,33 @@ #include <qstringlist.h> #include <qmutex.h> + #include <libpq-fe.h> #include <pg_config.h> #include <stdlib.h> #include <math.h> +// below code taken from an example at http://www.gnu.org/software/hello/manual/autoconf/Function-Portability.html +#ifndef isnan + # define isnan(x) \ + (sizeof (x) == sizeof (long double) ? isnan_ld (x) \ + : sizeof (x) == sizeof (double) ? isnan_d (x) \ + : isnan_f (x)) + static inline int isnan_f (float x) { return x != x; } + static inline int isnan_d (double x) { return x != x; } + static inline int isnan_ld (long double x) { return x != x; } +#endif + +#ifndef isinf + # define isinf(x) \ + (sizeof (x) == sizeof (long double) ? isinf_ld (x) \ + : sizeof (x) == sizeof (double) ? isinf_d (x) \ + : isinf_f (x)) + static inline int isinf_f (float x) { return isnan (x - x); } + static inline int isinf_d (double x) { return isnan (x - x); } + static inline int isinf_ld (long double x) { return isnan (x - x); } +#endif + // workaround for postgres defining their OIDs in a private header file #define QBOOLOID 16 @@ -601,10 +623,9 @@ static QPSQLDriver::Protocol getPSQLVersion(PGconn* connection) { QPSQLDriver::Protocol serverVersion = QPSQLDriver::Version6; PGresult* result = PQexec(connection, "select version()"); - int status = PQresultStatus(result); + int status = PQresultStatus(result); if (status == PGRES_COMMAND_OK || status == PGRES_TUPLES_OK) { QString val = QString::fromAscii(PQgetvalue(result, 0, 0)); - PQclear(result); QRegExp rx(QLatin1String("(\\d+)\\.(\\d+)")); rx.setMinimal(true); // enforce non-greedy RegExp if (rx.indexIn(val) != -1) { @@ -645,6 +666,7 @@ static QPSQLDriver::Protocol getPSQLVersion(PGconn* connection) } } } + PQclear(result); if (serverVersion < QPSQLDriver::Version71) qWarning("This version of PostgreSQL is not supported and may not work."); @@ -831,7 +853,7 @@ bool QPSQLDriver::commitTransaction() if (d->pro == QPSQLDriver::Version8 || d->pro == QPSQLDriver::Version81 || d->pro == QPSQLDriver::Version82) { - transaction_failed = QByteArray(PQcmdStatus(res)) == QByteArray("ROLLBACK")?true:false; + transaction_failed = qstrcmp(PQcmdStatus(res), "ROLLBACK") == 0; } if (!res || PQresultStatus(res) != PGRES_COMMAND_OK || transaction_failed) { @@ -1161,6 +1183,21 @@ QString QPSQLDriver::formatValue(const QSqlField &field, bool trimStrings) const qPQfreemem(data); break; } + case QVariant::Double: { + double val = field.value().toDouble(); + if (isnan(val)) + r = QLatin1String("'NaN'"); + else { + int res = isinf(val); + if (res == 1) + r = QLatin1String("'Infinity'"); + else if (res == -1) + r = QLatin1String("'-Infinity'"); + else + r = QSqlDriver::formatValue(field, trimStrings); + } + break; + } default: r = QSqlDriver::formatValue(field, trimStrings); break; @@ -1265,15 +1302,15 @@ QStringList QPSQLDriver::subscribedToNotificationsImplementation() const void QPSQLDriver::_q_handleNotification(int) { PQconsumeInput(d->connection); - PGnotify *notify = PQnotifies(d->connection); - if (notify) { - QString name(QLatin1String(notify->relname)); + PGnotify *notify = 0; + while((notify = PQnotifies(d->connection)) != 0) { + QString name(QLatin1String(notify->relname)); if (d->seid.contains(name)) emit notification(name); else qWarning("QPSQLDriver: received notification for '%s' which isn't subscribed to.", - qPrintable(name)); + qPrintable(name)); qPQfreemem(notify); } |