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    41 

    42 #ifndef QSQL_PSQL_H

    43 #define QSQL_PSQL_H

    44 

    45 #include <QtSql/qsqlresult.h>

    46 #include <QtSql/qsqldriver.h>

    47 

    48 #ifdef QT_PLUGIN

    49 #define Q_EXPORT_SQLDRIVER_PSQL

    50 #else

    51 #define Q_EXPORT_SQLDRIVER_PSQL Q_SQL_EXPORT

    52 #endif

    53 

    54 QT_BEGIN_HEADER

    55 

    56 typedef struct pg_conn PGconn;

    57 typedef struct pg_result PGresult;

    58 

    59 QT_BEGIN_NAMESPACE

    60 

    61 class QPSQLResultPrivate;

    62 class QPSQLDriverPrivate;

    63 class QPSQLDriver;

    64 class QSqlRecordInfo;

    65 

    66 class QPSQLResult : public QSqlResult

    67 {

    68     friend class QPSQLResultPrivate;

    69 public:

    70     QPSQLResult(const QPSQLDriver* db, const QPSQLDriverPrivate* p);

    71     ~QPSQLResult();

    72 

    73     QVariant handle() const;

    74     void virtual_hook(int id, void *data);

    75 

    76 protected:

    77     void cleanup();

    78     bool fetch(int i);

    79     bool fetchFirst();

    80     bool fetchLast();

    81     QVariant data(int i);

    82     bool isNull(int field);

    83     bool reset (const QString& query);

    84     int size();

    85     int numRowsAffected();

    86     QSqlRecord record() const;

    87     QVariant lastInsertId() const;

    88     bool prepare(const QString& query);

    89     bool exec();

    90 

    91 private:

    92     QPSQLResultPrivate *d;

    93 };

    94 

    95 class Q_EXPORT_SQLDRIVER_PSQL QPSQLDriver : public QSqlDriver

    96 {

    97     Q_OBJECT

    98 public:

    99     enum Protocol {

   100         Version6 = 6,

   101         Version7 = 7,

   102         Version71 = 8,

   103         Version73 = 9,

   104         Version74 = 10,

   105         Version8 = 11,

   106         Version81 = 12,

   107         Version82 = 13

   108     };

   109 

   110     explicit QPSQLDriver(QObject *parent=0);

   111     explicit QPSQLDriver(PGconn *conn, QObject *parent=0);

   112     ~QPSQLDriver();

   113     bool hasFeature(DriverFeature f) const;

   114     bool open(const QString & db,

   115               const QString & user,

   116               const QString & password,

   117               const QString & host,

   118               int port,

   119               const QString& connOpts);

   120     bool isOpen() const;

   121     void close();

   122     QSqlResult *createResult() const;

   123     QStringList tables(QSql::TableType) const;

   124     QSqlIndex primaryIndex(const QString& tablename) const;

   125     QSqlRecord record(const QString& tablename) const;

   126 

   127     Protocol protocol() const;

   128     QVariant handle() const;

   129 

   130     QString escapeIdentifier(const QString &identifier, IdentifierType type) const;

   131     QString formatValue(const QSqlField &field, bool trimStrings) const;

   132 

   133 protected:

   134     bool beginTransaction();

   135     bool commitTransaction();

   136     bool rollbackTransaction();

   137 

   138 protected Q_SLOTS:

   139     bool subscribeToNotificationImplementation(const QString &name);

   140     bool unsubscribeFromNotificationImplementation(const QString &name);

   141     QStringList subscribedToNotificationsImplementation() const;

   142 

   143 private Q_SLOTS:

   144     void _q_handleNotification(int);

   145 

   146 private:

   147     void init();

   148     QPSQLDriverPrivate *d;

   149 };

   150 

   151 QT_END_NAMESPACE

   152 

   153 QT_END_HEADER

   154 

   155 #endif // QSQL_PSQL_H