getmaxintegerid.cpp

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#include "getmaxintegerid.h"
 
#include <QSqlQuery>
 
 
 
namespace QH {
namespace PKG {
 
 
GetMaxIntegerId::GetMaxIntegerId(const QString& table, const QString& field) {
 
    _table = table;
    _field = field;
}
 
int GetMaxIntegerId::value() const {
    return _value;
}
 
DBObject *GetMaxIntegerId::createDBObject() const {
    return create<GetMaxIntegerId>(table(), _field);
}
 
PrepareResult GetMaxIntegerId::prepareSelectQuery(QSqlQuery &q) const {
    QString queryString = "SELECT max(%0) FROM %1";
 
    queryString = queryString.arg(_field, table());
 
    if (!q.prepare(queryString)) {
        return PrepareResult::Fail;
    }
 
    return PrepareResult::Success;
}
 
bool GetMaxIntegerId::fromSqlRecord(const QSqlRecord &q) {
    _value = q.value(0).toInt();
    return true;
}
 
bool GetMaxIntegerId::isCached() const {
    return false;
}
 
QString GetMaxIntegerId::table() const {
    return _table;
}
 
}
}