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EditTableDialog: Warn when trying to set AI flag on non-integer column

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Show a warning and abort the action when trying to set the auto increment
flag on a column with non-integer values in it because SQLite doesn't
allow setting the flag on these columns.
This commit is contained in:
Martin Kleusberg
2013-06-04 16:58:54 +02:00
parent db39e3e293
commit eb560e2a62
1 changed files with 16 additions and 0 deletions
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16
src/EditTableDialog.cpp
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@@ -250,6 +250,22 @@ void EditTableDialog::itemChanged(QTreeWidgetItem *item, int column)
bool ischecked = item->checkState(column) == Qt::Checked;
if(ischecked)
{
// First check if the contents of this column are all integers. If not this field cannot be set to AI
if(!m_bNewTable)
{
SqliteTableModel m(this, pdb);
m.setQuery(QString("SELECT COUNT(*) FROM `%1` WHERE `%2` <> CAST(`%3` AS INTEGER);").arg(curTable).arg(field->name()).arg(field->name()));
if(m.data(m.index(0, 0)).toInt() > 0)
{
// There is a non-integer value, so print an error message, uncheck the combobox, and return here
QMessageBox::information(this, qApp->applicationName(), tr("There is at least one row with a non-integer value in this field. "
"This makes it impossible to set the AI flag. Please change the table data first."));
item->setCheckState(column, Qt::Unchecked);
return;
}
}
// Make sure the data type is set to integer
QComboBox* comboType = qobject_cast<QComboBox*>(ui->treeWidget->itemWidget(item, kType));
comboType->setCurrentIndex(comboType->findText("INTEGER"));
item->setCheckState(kPrimaryKey, Qt::Checked);