/// <summary>
/// This method generates the SQL SELECT statement for the dissemination database that will return the data for the incoming Query.
/// </summary>
/// <param name="groupBean">
/// The group Bean.
/// </param>
/// <param name="info">
/// The current data retrieval state
/// </param>
/// <returns>
/// The string containing the SQL query that needs to be executed on the dissemination database, in order to return the data required by the input query
/// </returns>
private static string GenerateGroupSql(GroupInformation groupBean, DataRetrievalInfoSeries info)
{
MappingSetEntity mappingSet = info.MappingSet;
Logger.Info(Resources.InfoBeginGenerateSql);
SqlQuery sqlQuery = new SqlQuery();
string sql = string.Empty;
try
{
// Generate Query subparts
sql = GenerateSelect(true, ConvertToMapping(groupBean.ComponentMappings));
sqlQuery.appendSql(sql);
sqlQuery.appendSql(GenerateFrom(mappingSet));
if (string.IsNullOrEmpty(info.SqlWhereCache))
{
info.SqlWhereCache = GenerateWhere(info);
}
sqlQuery.appendSql(info.SqlWhereCache);
// In SDMX Group we don't care if it is flat or not.
sqlQuery.appendSql(GenerateOrderBy(info, groupBean.ThisGroup.Dimensions));
}
catch (Exception ex)
{
Logger.Error(ex.ToString());
throw new DataRetrieverException(ex,
SdmxErrorCode.GetFromEnum(SdmxErrorCodeEnumType.SemanticError),
Resources.ErrorUnableToGenerateSQL);
//ErrorTypes.QUERY_PARSING_ERROR, Resources.ErrorUnableToGenerateSQL, ex);
}
// log for easy debug
Logger.Info(string.Format(CultureInfo.InvariantCulture, Resources.InfoGeneratedSQLFormat1, sql));
Logger.Info(Resources.InfoEndGenerateSql);
return sqlQuery.getSql();
}
/// <summary>
/// Add <paramref name="componentMapping"/> to <see cref="_groups"/>
/// </summary>
/// <param name="componentMapping">
/// The group level attribute <see cref="IComponentMapping"/>
/// </param>
private void AddTimeSeriesGroups(IComponentMapping componentMapping)
{
foreach (var groupEntity in componentMapping.Component.AttAssignmentGroups)
{
GroupInformation information;
if (!this._groups.TryGetValue(groupEntity, out information))
{
information = new GroupInformation(groupEntity);
this._groups.Add(groupEntity, information);
}
information.ComponentMappings.Add(componentMapping);
}
}
/// <summary>
/// This method generates the SQL SELECT statement for the dissemination database that will return the data for the incoming Query.
/// </summary>
/// <param name="groupBean">
/// The group Bean.
/// </param>
/// <param name="info">
/// The current data retrieval state
/// </param>
/// <returns>
/// The string containing the SQL query that needs to be executed on the dissemination database, in order to return the data required by the input query
/// </returns>
private static string GenerateGroupSql(GroupInformation groupBean, DataRetrievalInfoSeries info)
{
MappingSetEntity mappingSet = info.MappingSet;
Logger.Info(Resources.InfoBeginGenerateSql);
SqlQuery sqlQuery = new SqlQuery();
string sql = string.Empty;
try
{
// Generate Query subparts
sql = GenerateSelect(true, ConvertToMapping(groupBean.ComponentMappings));
sqlQuery.appendSql(sql);
sqlQuery.appendSql(GenerateFrom(mappingSet));
if (string.IsNullOrEmpty(info.SqlWhereCache))
{
info.SqlWhereCache = GenerateWhere(info);
}
sqlQuery.appendSql(info.SqlWhereCache);
bool bFlat = false;
var allDimensions = DimensionAtObservation.GetFromEnum(DimensionAtObservationEnumType.All).Value;
IBaseDataQuery baseDataQuery = (IBaseDataQuery)info.ComplexQuery ?? info.Query;
//the Flat option will be read only when we have flat aka AllDimensions
if (baseDataQuery.DimensionAtObservation.Equals(allDimensions))
Boolean.TryParse(ConfigurationManager.AppSettings["QueryFlatFormat"], out bFlat);
if (!bFlat)
sqlQuery.appendSql(GenerateOrderBy(info, groupBean.ThisGroup.Dimensions));
}
catch (Exception ex)
{
Logger.Error(ex.ToString());
throw new DataRetrieverException(ex,
SdmxErrorCode.GetFromEnum(SdmxErrorCodeEnumType.SemanticError),
Resources.ErrorUnableToGenerateSQL);
//ErrorTypes.QUERY_PARSING_ERROR, Resources.ErrorUnableToGenerateSQL, ex);
}
// log for easy debug
Logger.Info(string.Format(CultureInfo.InvariantCulture, Resources.InfoGeneratedSQLFormat1, sql));
Logger.Info(Resources.InfoEndGenerateSql);
return sqlQuery.getSql();
}
