/// <summary>
/// Copy table
/// </summary>
/// <param name="toTable">Destination table</param>
protected void Copy(TableBase toTable)
{
using (this.Connection.OpenWrapper())
{
CopyTableCommand copyTableCommand = new CopyTableCommand(
this.Connection,
this.TableDefinition,
toTable.TableDefinition
);
copyTableCommand.SetFieldDefinitions(
QueryDefinition.GetMinimumDefinitions(
(definition, fieldDefinition) => definition.CanFill(fieldDefinition),
this.TableDefinition,
toTable.TableDefinition
)
);
copyTableCommand.Execute(100);
}
}
/// <summary>
/// Upgrade table accroding definition
/// </summary>
/// <param name="tableDefinition">New table definition</param>
/// <returns></returns>
public void UpdateScheme()
{
int intColumnIndex = 0;
bool forceUpgrade = false;
// var forceUpgrade = ServiceInfoTable.ReadDbVesion(this.Connection).MinorChangedOver(DatabaseVersion.Current);
// Log.DebugFormat("forceUpgrade:'{0}'", forceUpgrade);
lock (this._globalLock)
{
using (this.Connection.OpenWrapper())
{
// Log.DebugFormat(
// @"this.TableDefinition.Name:'{0}'",
// this.TableDefinition.Name
// );
Table existingTable = GetTable(
this.Connection,
this.TableDefinition.Name
);
// Log.DebugFormat(
// @"Connection:'{0}';ExistingTable:'{1}'",
// this.Connection.DataSource,
// existingTable.TableDefinition.Name
// );
if (existingTable == null)
{
this.CreateTable();
return;
}
IEnumerable <FieldDefinition> fields = QueryDefinition.GetMinimumDefinitions(
(definition, fieldDefinition) => definition.Equals(fieldDefinition),
existingTable.TableDefinition,
this.TableDefinition
);
// Log.DebugFormat(
// @"this.TableDefinition.Fields.Count:'{0}';Existing fields.Count:'{1}'",
// this.TableDefinition.Fields.Count,
// fields.Count()
// );
intColumnIndex = 0;
foreach (FieldDefinition fieldInTableDefinition in this.TableDefinition.Fields.Values)
{
// Log.DebugFormat(
// @"index:{0};Column:'{1}'",
// intColumnIndex,
// fieldInTableDefinition.Name
// );
intColumnIndex++;
}
intColumnIndex = 0;
foreach (FieldDefinition fieldInExistingTable in fields)
{
// Log.DebugFormat(
// @"index:{0};Column:'{1}'",
// intColumnIndex,
// fieldInExistingTable.Name
// );
intColumnIndex++;
}
if (forceUpgrade || fields.Count() < this.TableDefinition.Fields.Count)
{
string tmpName = existingTable.TableDefinition.Name + "_tmp";
Table tmpExisting = GetTable(this.Connection, tmpName);
if (tmpExisting != null)
{
tmpExisting.Drop();
}
existingTable.Rename(tmpName);
this.CreateTable();
existingTable.Copy(this);
existingTable.Drop();
}
}
}
}
