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 GenerateUpdate(ICollection <DbUpdateCommandTree> commandTrees, string rowsAffectedParameter)
{
DebugCheck.NotNull(commandTrees);
if (!commandTrees.Any())
{
return(null);
}
List <SqlParameter> _;
var sql = new StringBuilder();
sql.AppendLine(
DmlSqlGenerator.GenerateUpdateSql(
commandTrees.First(),
_sqlGenerator,
out _,
generateReturningSql: false));
foreach (var commandTree in commandTrees.Skip(1))
{
sql.Append(
DmlSqlGenerator.GenerateUpdateSql(
commandTree,
_sqlGenerator,
out _,
generateReturningSql: false));
sql.AppendLine("AND @@ROWCOUNT > 0");
sql.AppendLine();
}
var returningCommandTrees
= commandTrees
.Where(ct => ct.Returning != null)
.ToList();
if (returningCommandTrees.Any())
{
var returningSelectSqlGenerator = new ReturningSelectSqlGenerator();
foreach (var commandTree in returningCommandTrees)
{
commandTree.Target.Expression.Accept(returningSelectSqlGenerator);
commandTree.Returning.Accept(returningSelectSqlGenerator);
commandTree.Predicate.Accept(returningSelectSqlGenerator);
}
sql.AppendLine(returningSelectSqlGenerator.Sql);
sql.AppendLine();
}
AppendSetRowsAffected(sql, rowsAffectedParameter);
return(sql.ToString().TrimEnd());
}