public string GenerateUpdate(
ICollection <DbUpdateCommandTree> commandTrees,
string rowsAffectedParameter)
{
if (!commandTrees.Any <DbUpdateCommandTree>())
{
return((string)null);
}
StringBuilder sql = new StringBuilder();
List <SqlParameter> parameters;
sql.AppendLine(DmlSqlGenerator.GenerateUpdateSql(commandTrees.First <DbUpdateCommandTree>(), this._sqlGenerator, out parameters, false, true));
foreach (DbUpdateCommandTree tree in commandTrees.Skip <DbUpdateCommandTree>(1))
{
sql.Append(DmlSqlGenerator.GenerateUpdateSql(tree, this._sqlGenerator, out parameters, false, true));
sql.AppendLine("AND @@ROWCOUNT > 0");
sql.AppendLine();
}
List <DbUpdateCommandTree> list = commandTrees.Where <DbUpdateCommandTree>((Func <DbUpdateCommandTree, bool>)(ct => ct.Returning != null)).ToList <DbUpdateCommandTree>();
if (list.Any <DbUpdateCommandTree>())
{
DmlFunctionSqlGenerator.ReturningSelectSqlGenerator selectSqlGenerator = new DmlFunctionSqlGenerator.ReturningSelectSqlGenerator();
foreach (DbUpdateCommandTree updateCommandTree in list)
{
updateCommandTree.Target.Expression.Accept((DbExpressionVisitor)selectSqlGenerator);
updateCommandTree.Returning.Accept((DbExpressionVisitor)selectSqlGenerator);
updateCommandTree.Predicate.Accept((DbExpressionVisitor)selectSqlGenerator);
}
sql.AppendLine(selectSqlGenerator.Sql);
sql.AppendLine();
}
DmlFunctionSqlGenerator.AppendSetRowsAffected(sql, rowsAffectedParameter);
return(sql.ToString().TrimEnd());
}
public string GenerateInsert(ICollection <DbInsertCommandTree> commandTrees)
{
StringBuilder stringBuilder = new StringBuilder();
DbInsertCommandTree insertCommandTree1 = commandTrees.First <DbInsertCommandTree>();
List <SqlParameter> parameters;
stringBuilder.Append(DmlSqlGenerator.GenerateInsertSql(insertCommandTree1, this._sqlGenerator, out parameters, false, true, false));
stringBuilder.AppendLine();
EntityType elementType = (EntityType)((DbScanExpression)insertCommandTree1.Target.Expression).Target.ElementType;
stringBuilder.Append(this.IntroduceRequiredLocalVariables(elementType, insertCommandTree1));
foreach (DbInsertCommandTree tree in commandTrees.Skip <DbInsertCommandTree>(1))
{
stringBuilder.Append(DmlSqlGenerator.GenerateInsertSql(tree, this._sqlGenerator, out parameters, false, true, false));
stringBuilder.AppendLine();
}
List <DbInsertCommandTree> list = commandTrees.Where <DbInsertCommandTree>((Func <DbInsertCommandTree, bool>)(ct => ct.Returning != null)).ToList <DbInsertCommandTree>();
if (list.Any <DbInsertCommandTree>())
{
DmlFunctionSqlGenerator.ReturningSelectSqlGenerator selectSqlGenerator = new DmlFunctionSqlGenerator.ReturningSelectSqlGenerator();
foreach (DbInsertCommandTree insertCommandTree2 in list)
{
insertCommandTree2.Target.Expression.Accept((DbExpressionVisitor)selectSqlGenerator);
insertCommandTree2.Returning.Accept((DbExpressionVisitor)selectSqlGenerator);
}
foreach (EdmProperty keyProperty1 in elementType.KeyProperties)
{
EdmProperty keyProperty = keyProperty1;
DbExpression right = insertCommandTree1.SetClauses.Cast <DbSetClause>().Where <DbSetClause>((Func <DbSetClause, bool>)(sc => ((DbPropertyExpression)sc.Property).Property == keyProperty)).Select <DbSetClause, DbExpression>((Func <DbSetClause, DbExpression>)(sc => sc.Value)).SingleOrDefault <DbExpression>() ?? (DbExpression)keyProperty.TypeUsage.Parameter(keyProperty.Name);
insertCommandTree1.Target.Variable.Property(keyProperty).Equal(right).Accept((DbExpressionVisitor)selectSqlGenerator);
}
stringBuilder.Append(selectSqlGenerator.Sql);
}
return(stringBuilder.ToString().TrimEnd());
}
