public ClickHouseColumn GetOrAddDateColumn(string timeColumnName, string dateColumnName)
{
ClickHouseColumn column = GetDateColumn();
if (column == null)
{
column = AddDateColumn(timeColumnName, dateColumnName);
}
return(column);
}
public ClickHouseColumn AddDateColumn(string timeColumnName, string dateColumnName)
{
ClickHouseColumn column = new ClickHouseColumn(name: dateColumnName
, valueType: ClickHouseValueType.Date
, mappingSide: ColumnMappingSide.OnlyTarget)
{
DefaultExpression = $"toDate({timeColumnName})"
};
Columns.Add(column);
return(column);
}
public ClickHouseReference(ClickHouseColumn foreignKey, Type entityType, bool permanent)
{
ForeignKey = foreignKey;
EntityType = entityType;
Permanent = permanent;
}
internal static ClickHouseColumn[] GetColumns <T>() => typeof(T).GetProperties().Select(t => ClickHouseColumn.Create(t)).ToArray();
