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added new method for adding constraints to an existing table

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Luis Ángel San Martín
2016-01-24 10:52:12 +01:00
parent 37d177e65a
commit b0060795b5
1 changed files with 13 additions and 0 deletions
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13
YACReaderLibrary/db/data_base_management.cpp
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@ -620,6 +620,19 @@ bool DataBaseManagement::addColumns(const QString &tableName, const QStringList
return returnValue; return returnValue;
} }
bool DataBaseManagement::addConstraint(const QString &tableName, const QString &constraint, const QSqlDatabase &db)
{
QString sql = "ALTER TABLE %1 ADD %2";
bool returnValue = true;
QSqlQuery alterTable(db);
alterTable.prepare(sql.arg(tableName).arg(constraint));
alterTable.exec();
returnValue = returnValue && (alterTable.numRowsAffected() > 0);
return returnValue;
}
void DataBaseManagement::bindString(const QString & name, const QSqlRecord & record, QSqlQuery & query) void DataBaseManagement::bindString(const QString & name, const QSqlRecord & record, QSqlQuery & query)
{ {
if(!record.value(name).isNull()) if(!record.value(name).isNull())