CreateTable
ODBPPLib.IODBPP.CreateTable creates a new table within the database.uint CreateTable ( TableSchema schema );
Parameters
| schema | A valid schema definition for the desired table. |
Return Values
CreateTbale will return on successful creation of a table where the schema.tableID was set to zero, the next allocated ID is written to this return value.Remarks
- Database must be in exculsive mode before this method is called.
- CreateTable is atomic and will be undone if method fails.
- CreateTable checks to see if the given schema is valid, if it is capable of being repaired, it will do it.
- CreateTable is not part of the transaction so there is no need to call CommitTransaction.
Example Use
- C#
private void button1_Click(object sender, EventArgs e){
try{
OpenFileDialog dlg = new OpenFileDialog();
DialogResult result = dlg.ShowDialog();
if (result == DialogResult.OK)
{
ODBPPLib.ODBPP odbpp = new ODBPPLib.ODBPP();
odbpp.CreateDatabase(dlg.FileName);
odbpp.BeginTransaction(odbpp.EXCLUSIVE, 60000);
ODBPPLib.TableSchema schema = new ODBPPLib.TableSchema();
schema.tableName = "First";
schema.fields.Add(odbpp.UINT32, 0, 0, "First", null);
schema.fields.Add(odbpp.FLOAT32, 0, 0, "Second", null);
schema.indexes.Add(0, odbpp.B_TREE, 0, 0, 0, null);
schema.indexes[0].segments.Add(0, 0);
tableId = odbpp.CreateTable(schema);
}
}
catch (Exception e1)
{
MessageBox.Show(e1.Message);
}
}Also See
AddTable, CloseTable, OpenTable, RemoveTableListen All
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