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Allow CSV import into existing tables

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Allow the import of CSV files into already existing tables if the number
of columns match.
This commit is contained in:
Martin Kleusberg
2013-03-20 22:38:22 +01:00
parent 0868f299af
commit a1e4f154dd
1 changed files with 29 additions and 2 deletions
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31
src/ImportCsvDialog.cpp
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@@ -69,14 +69,41 @@ void ImportCsvDialog::accept()
// declare local variables we will need before the rollback jump
int colNum = 0;
// Are we importing into an existing table?
bool importToExistingTable = false;
objectMap objects = pdb->getBrowsableObjects();
for(objectMap::ConstIterator i=objects.begin();i!=objects.end();++i)
{
if(i.value().gettype() == "table" && i.value().getname() == ui->editName->text())
{
if(i.value().fldmap.size() != numfields)
{
QMessageBox::warning(this, QApplication::applicationName(),
tr("There is already a table of that name and an import into an existing table is only possible if the number of columns match."));
return;
} else {
if(QMessageBox::question(this, QApplication::applicationName(), tr("There is already a table of that name. Do you want to import the data into it?"), QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes)
{
importToExistingTable = true;
break;
} else {
return;
}
}
}
}
// Create a savepoint, so we can rollback in case of any errors during importing
// db needs to be saved or an error will occur
if(!pdb->executeSQL("SAVEPOINT CSVIMPORT;", false))
goto rollback;
// Create table
if(!pdb->createTable(ui->editName->text(), fieldList))
goto rollback;
if(!importToExistingTable)
{
if(!pdb->createTable(ui->editName->text(), fieldList))
goto rollback;
}
{ // avoid error on MSVC due to rollback label
// now lets import all data, one row at a time