/// <summary>
/// Method itry to drop and create table
/// </summary>
/// <param name="prefix">Project prefix</param>
/// <param name="tableName">Table name</param>
/// <param name="tableType">New columns types</param>
/// <param name="columns">New table columns</param>
/// <param name="drop">If true table with the same name will be drop</param>
private static string tryCreateTable(string prefix, string tableName, string tableType, string columns, bool drop)
{
if (tableName != "" && tableType != "" && columns != "")
{
Result result;
if (tableType == "DIMENSION")
{
if (drop == true)
{
DimensionHandler.dropDimension(prefix, tableName);
}
result = DimensionHandler.addDimension(tableName, columns, prefix);
if (result.errormsg != "OK")
{
return("Import status: Cannot create table. Please check if old table contains foreign keys or if all required inforamtion are correct.");
}
return("OK");
}
else
{
if (drop == true)
{
FactHandler.dropFact(prefix, tableName);
}
result = FactHandler.addFact(tableName, columns, prefix);
if (result.errormsg != "OK")
{
return("Import status: Cannot create table. Please check if old table exists or contains foreign keys or if all required inforamtion are correct.");
}
return("OK");
}
if (tableType == "FUNCTION")
{
if (drop == true)
{
FunctionHandler.dropFunction(prefix + "_" + tableType + "_" + tableName);
}
result = FunctionHandler.addFunction(tableName, columns, prefix);
if (result.errormsg != "OK")
{
return("Import status: Cannot create table. Please check if old table exists or contains foreign keys or if all required inforamtion are correct.");
}
return("OK");
}
}
return("Import status: Please check if csv contains all required information - table type, table name and columns name with types");
}
private void BtnDrop_Click(object sender, RoutedEventArgs e)
{
FunctionHandler.dropFunction(table);
Switcher.Switch(new ProjectPage(2));
}