public virtual void Visiting(SqlDeleteStatement deleteStatement)
{
}
public SqlDeleteClause(SqlDeleteStatement sqlDeleteStatement) : base(sqlDeleteStatement)
{
}
protected virtual string GetRemoveNonPrimaryStatement(object obj, ArrayList propertyMaps, IList parameters)
{
IClassMap classMap = null;
IPropertyMap firstPropertyMap = null;
IPropertyMap propertyMap;
ITableMap tableMap = null;
string compareOp = "";
string wrappedValue;
IObjectManager om;
IPersistenceManager pm;
IColumnMap idColumnMap = null;
IPropertyMap idPropertyMap = null;
string paramName = "";
OptimisticConcurrencyBehaviorType propOptBehavior;
om = m_SqlEngineManager.Context.ObjectManager;
pm = m_SqlEngineManager.Context.PersistenceManager;
foreach (IPropertyMap iPropertyMap in propertyMaps)
{
propertyMap = iPropertyMap;
firstPropertyMap = propertyMap;
classMap = propertyMap.ClassMap;
tableMap = propertyMap.MustGetTableMap();
idColumnMap = propertyMap.GetIdColumnMap();
idPropertyMap = classMap.MustGetPropertyMapForColumnMap(idColumnMap.MustGetPrimaryKeyColumnMap());
break;
}
SqlDeleteStatement delete = new SqlDeleteStatement(tableMap.SourceMap) ;
SqlTableAlias table = delete.GetSqlTableAlias(tableMap);
SqlColumnAlias idColumn = table.GetSqlColumnAlias(idColumnMap);
delete.SqlFromClause.AddSqlAliasTableSource(table);
paramName = GetParameterName(idPropertyMap, "Id_");
SqlParameter param = AddSqlParameter(delete, parameters, paramName, obj, idPropertyMap, om.GetPropertyValue(obj, idPropertyMap.Name), idColumnMap);
SqlSearchCondition search = delete.SqlWhereClause.GetNextSqlSearchCondition();
search.GetSqlComparePredicate(idColumn, SqlCompareOperatorType.Equals, param);
foreach (IColumnMap iIdColumnMap in firstPropertyMap.GetAdditionalIdColumnMaps())
{
idColumnMap = iIdColumnMap;
idColumn = table.GetSqlColumnAlias(idColumnMap);
paramName = GetParameterName(firstPropertyMap, idColumnMap, "Id_");
if (!(classMap.GetTypeColumnMap() == null && classMap.GetTypeColumnMap() == idColumnMap.MustGetPrimaryKeyColumnMap()))
{
param = AddSqlParameter(delete, parameters, paramName, obj, null, classMap.TypeValue, idColumnMap, true);
}
else
{
idPropertyMap = classMap.MustGetPropertyMapForColumnMap(idColumnMap.MustGetPrimaryKeyColumnMap());
param = AddSqlParameter(delete, parameters, paramName, obj, idPropertyMap, om.GetPropertyValue(obj, idPropertyMap.Name), idColumnMap);
}
search = delete.SqlWhereClause.GetNextSqlSearchCondition();
search.GetSqlComparePredicate(idColumn, SqlCompareOperatorType.Equals, param);
}
if (!(pm.GetDeleteOptimisticConcurrencyBehavior(OptimisticConcurrencyBehaviorType.DefaultBehavior, classMap) == OptimisticConcurrencyBehaviorType.Disabled))
{
foreach (IPropertyMap iPropertyMap in propertyMaps)
{
propertyMap = iPropertyMap;
propOptBehavior = pm.GetDeleteOptimisticConcurrencyBehavior(OptimisticConcurrencyBehaviorType.DefaultBehavior, propertyMap);
if (propOptBehavior == OptimisticConcurrencyBehaviorType.IncludeWhenLoaded || (propOptBehavior == OptimisticConcurrencyBehaviorType.IncludeWhenDirty && om.GetPropertyStatus(obj, propertyMap.Name) == PropertyStatus.Dirty))
{
if (om.HasOriginalValues(obj, propertyMap.Name))
{
bool first = true;
foreach (IColumnMap columnMap in propertyMap.GetAllColumnMaps())
{
SqlColumnAlias column = table.GetSqlColumnAlias(columnMap);
search = delete.SqlWhereClause.GetNextSqlSearchCondition();
//Hack: For some reason it doesn't work to match NULL in parameterized queries...?
wrappedValue = WrapValue(obj, propertyMap, om.GetOriginalPropertyValue(obj, propertyMap.Name), columnMap, ref compareOp, true);
if (wrappedValue == "NULL" && compareOp == "Is")
search.GetSqlIsNullPredicate(column);
else if (compareOp == "LIKE")
{
if (first)
paramName = GetParameterName(propertyMap, "Org_");
else
paramName = GetParameterName(propertyMap, columnMap, "Org_");
param = AddSqlParameter(delete, parameters, paramName, obj, propertyMap, om.GetOriginalPropertyValue(obj, propertyMap.Name), columnMap, true);
search.GetSqlLikePredicate(column, param);
}
else
{
paramName = GetParameterName(propertyMap, "Org_");
param = AddSqlParameter(delete, parameters, paramName, obj, propertyMap, om.GetOriginalPropertyValue(obj, propertyMap.Name), columnMap, true);
search.GetSqlComparePredicate(column, SqlCompareOperatorType.Equals, param);
}
first = false;
}
}
}
}
}
return GenerateSql(delete);
}
protected virtual string GetRemoveCollectionPropertyStatement(object obj, IPropertyMap propertyMap, IList parameters)
{
IClassMap classMap;
IColumnMap idColumnMap;
IPropertyMap idPropertyMap;
ITableMap tableMap;
string paramName = "";
IObjectManager om = m_SqlEngineManager.Context.ObjectManager;
classMap = propertyMap.ClassMap;
tableMap = propertyMap.MustGetTableMap();
SqlDeleteStatement delete = new SqlDeleteStatement(tableMap.SourceMap) ;
SqlTableAlias table = delete.GetSqlTableAlias(tableMap);
delete.SqlFromClause.AddSqlAliasTableSource(table);
idColumnMap = propertyMap.GetIdColumnMap();
SqlColumnAlias idColumn = table.GetSqlColumnAlias(idColumnMap);
idPropertyMap = classMap.MustGetPropertyMapForColumnMap(idColumnMap.MustGetPrimaryKeyColumnMap());
paramName = GetParameterName(idPropertyMap, "Id_");
SqlParameter param = AddSqlParameter(delete, parameters, paramName, obj, idPropertyMap, om.GetPropertyValue(obj, idPropertyMap.Name), idColumnMap);
SqlSearchCondition search = delete.SqlWhereClause.GetNextSqlSearchCondition();
search.GetSqlComparePredicate(idColumn, SqlCompareOperatorType.Equals, param);
foreach (IColumnMap iIdColumnMap in propertyMap.GetAdditionalIdColumnMaps())
{
idColumnMap = iIdColumnMap;
idColumn = table.GetSqlColumnAlias(idColumnMap);
paramName = GetParameterName(propertyMap, idColumnMap, "Id_");
if (!(classMap.GetTypeColumnMap() == null && classMap.GetTypeColumnMap() == idColumnMap.MustGetPrimaryKeyColumnMap()))
{
param = AddSqlParameter(delete, parameters, paramName, obj, null, classMap.TypeValue, idColumnMap, true);
}
else
{
idPropertyMap = classMap.MustGetPropertyMapForColumnMap(idColumnMap.MustGetPrimaryKeyColumnMap());
param = AddSqlParameter(delete, parameters, paramName, obj, idPropertyMap, om.GetPropertyValue(obj, idPropertyMap.Name), idColumnMap);
}
search = delete.SqlWhereClause.GetNextSqlSearchCondition();
search.GetSqlComparePredicate(idColumn, SqlCompareOperatorType.Equals, param);
}
return GenerateSql(delete);
}
protected virtual string GetDeleteStatement(object obj, IList parameters)
{
IClassMap classMap;
IPropertyMap propertyMap;
ITableMap tableMap;
IObjectManager om;
IPersistenceManager pm;
string compareOp = "";
string paramName = "";
string wrappedValue = "";
OptimisticConcurrencyBehaviorType propOptBehavior;
classMap = m_SqlEngineManager.Context.DomainMap.MustGetClassMap(obj.GetType());
om = m_SqlEngineManager.Context.ObjectManager;
pm = m_SqlEngineManager.Context.PersistenceManager;
tableMap = classMap.MustGetTableMap();
SqlDeleteStatement delete = new SqlDeleteStatement(tableMap.SourceMap) ;
SqlTableAlias table = delete.GetSqlTableAlias(tableMap);
delete.SqlFromClause.AddSqlAliasTableSource(table);
if (!(pm.GetDeleteOptimisticConcurrencyBehavior(OptimisticConcurrencyBehaviorType.DefaultBehavior, classMap) == OptimisticConcurrencyBehaviorType.Disabled))
{
foreach (IPropertyMap iPropertyMap in classMap.GetAllPropertyMaps())
{
propertyMap = iPropertyMap;
if (!(propertyMap.IsIdentity))
{
if (!propertyMap.IsReadOnly && !propertyMap.IsSlave)
{
if (!(propertyMap.IsCollection))
{
if (propertyMap.MustGetTableMap() == tableMap)
{
propOptBehavior = pm.GetDeleteOptimisticConcurrencyBehavior(OptimisticConcurrencyBehaviorType.DefaultBehavior, propertyMap);
if (propOptBehavior == OptimisticConcurrencyBehaviorType.IncludeWhenLoaded || (propOptBehavior == OptimisticConcurrencyBehaviorType.IncludeWhenDirty && om.GetPropertyStatus(obj, propertyMap.Name) == PropertyStatus.Dirty))
{
if (om.HasOriginalValues(obj, propertyMap.Name))
{
bool first = true;
foreach (IColumnMap columnMap in propertyMap.GetAllColumnMaps() )
{
SqlColumnAlias column = table.GetSqlColumnAlias(columnMap);
SqlSearchCondition search = delete.SqlWhereClause.GetNextSqlSearchCondition();
//Hack: For some reason it doesn't work to match NULL in parameterized queries...?
wrappedValue = WrapValue(obj, propertyMap, om.GetOriginalPropertyValue(obj, propertyMap.Name), columnMap, ref compareOp, true);
if (wrappedValue == "NULL" && compareOp == "Is")
{
search.GetSqlIsNullPredicate(column);
}
else if (compareOp == "LIKE")
{
if (first)
paramName = GetParameterName(propertyMap, "Org_");
else
paramName = GetParameterName(propertyMap, columnMap, "Org_");
SqlParameter param = AddSqlParameter(delete, parameters, paramName, obj, propertyMap, om.GetOriginalPropertyValue(obj, propertyMap.Name), columnMap, true);
search.GetSqlLikePredicate(column, param);
}
else
{
if (first)
paramName = GetParameterName(propertyMap, "Org_");
else
paramName = GetParameterName(propertyMap, columnMap, "Org_");
SqlParameter param = AddSqlParameter(delete, parameters, paramName, obj, propertyMap, om.GetOriginalPropertyValue(obj, propertyMap.Name), columnMap, false);
search.GetSqlComparePredicate(column, SqlCompareOperatorType.Equals, param);
}
first = false;
}
}
}
}
}
}
}
}
}
foreach (IPropertyMap iPropertyMap in classMap.GetIdentityPropertyMaps())
{
propertyMap = iPropertyMap;
SqlSearchCondition search = delete.SqlWhereClause.GetNextSqlSearchCondition();
IColumnMap columnMap = propertyMap.GetColumnMap();
SqlColumnAlias column = table.GetSqlColumnAlias(columnMap);
SqlParameter param;
paramName = GetParameterName(propertyMap, "Id_");
if (om.GetPropertyStatus(obj, propertyMap.Name) == PropertyStatus.Dirty)
{
param = AddSqlParameter(delete, parameters, paramName, obj, propertyMap, om.GetOriginalPropertyValue(obj, propertyMap.Name), propertyMap.GetColumnMap(), true);
}
else
{
param = AddSqlParameter(delete, parameters, paramName, obj, propertyMap, om.GetPropertyValue(obj, propertyMap.Name), propertyMap.GetColumnMap());
}
search.GetSqlComparePredicate(column, SqlCompareOperatorType.Equals, param);
}
return GenerateSql(delete);
}
public SqlDeleteClause(SqlDeleteStatement sqlDeleteStatement)
: base(sqlDeleteStatement)
{
}