/// <summary>
/// Get sql coomand for creating SCD temporary table
/// </summary>
/// <param name="tempTableName">SCD temporary table name</param>
/// <param name="enableIndexOnSCD">Disable SCD temporary table nonclusterd index?</param>
/// <returns>Sql coomand for creating SCD temporary table</returns>
private string GetCreateTempTable(string tempTableName, bool enableIndexOnSCD)
{
string result = TEMPLATE_CREATE_TEMP_TABLE.Replace("<tempTableName_scd>", tempTableName);
string indexBk = TEMPLATE_CREATE_CLUSTERD_INDEX_ON_TEMP_TABLE.Replace("<tempTableName_scd>", tempTableName);
string indexAttributes = "";
ScdColumnList scdListBKs = new ScdColumnList();
ScdColumnList scdListAttributes = new ScdColumnList();
foreach (string scdTableName in _scdList.Keys)
{
scdListBKs.AddList(_scdList[scdTableName].BkList);
scdListAttributes.AddList(_scdList[scdTableName].AttributeList);
}
result = result.Replace("<bk>", SCDHelper.GetSqlBkListWithDataType(scdListBKs.ScdColumns, _prefixFK, "", 2));
result = result.Replace("<attributes>", SCDHelper.GetSqlAttributeListWithDataType(scdListAttributes.ScdColumns, SCDConfiguration.POSTFIX_COLUMN_QUELLE, SCDConfiguration.POSTFIX_COLUMN_DWH_VOR_UPDATE, 2));
result = result.Replace("<valid_from>", SCDHelper.GetSqlValidFromWithDataType(_scdList, 2));
result = result.Replace("<FK_ID>", _prefixFK + "ID");
indexBk = indexBk.Replace("<index_columns>", " " +
SCDHelper.GetSqlBkList(scdListBKs.ScdColumns, _prefixFK, "", 2).Substring(3)); //Substring(3): Komma an 3. Stelle entfernen
if (enableIndexOnSCD)
{
foreach (SCDColumn scdColumn in scdListAttributes.ScdColumns)
{
string index = TEMPLATE_CREATE_NONCLUSTERD_INDEX_ON_TEMP_TABLE
.Replace("<tempTableName_scd>", tempTableName) //.TrimStart("[".ToCharArray()).TrimEnd("]".ToCharArray()))
.Replace("<index_name>", scdColumn.ColumnName);
List <SCDColumn> scdColumns = new List <SCDColumn>();
scdColumns.Add(scdColumn);
string columns = SCDHelper.GetSqlAttributeListDoubled(scdColumns, "", "", SCDConfiguration.POSTFIX_COLUMN_QUELLE, SCDConfiguration.POSTFIX_COLUMN_DWH_VOR_UPDATE, 2);
columns = " " + columns.Substring(3); // Komma an 3. Stelle entfernen
index = index.Replace("<index_columns>", columns);
indexAttributes += index + Environment.NewLine + Environment.NewLine;
}
}
return(result + Environment.NewLine + Environment.NewLine + indexBk + Environment.NewLine + Environment.NewLine + indexAttributes);
}
/// <summary>
/// Creates sql command for creating the SCD table
/// </summary>
/// <returns>sql command for creating the SCD </returns>
public string GetCreateScdTables()
{
string result = "";
foreach (string tableName in _scdList.Keys)
{
SCDConfiguration scd = _scdList[tableName];
string bks = SCDHelper.GetSqlBkListWithDataType(scd.BkList, _prefixFK, "", 2);
string attributes = SCDHelper.GetSqlColumnListWithDataType(scd.AttributeList, "", "", 2, false, "NULL", "");
string create = TEMPLATE_CREATE_SCD_TABLE.Replace("<tableName>", tableName);
create = create.Replace("<GranularityMaxValue>", scd.GranularityMaxValue);
create = create.Replace("<bks>", bks);
create = create.Replace("<attributes>", attributes);
create = create.Replace("<FK_ID>", _prefixFK + "ID");
create += Environment.NewLine + Environment.NewLine;
result += create;
}
return(result);
}