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());
}
public string GenerateInsert(ICollection <DbInsertCommandTree> commandTrees)
{
DebugCheck.NotNull(commandTrees);
var sql = new StringBuilder();
List <SqlParameter> _;
var firstCommandTree = commandTrees.First();
sql.Append(
DmlSqlGenerator.GenerateInsertSql(
firstCommandTree,
_sqlGenerator,
out _,
generateReturningSql: false,
createParameters: false));
sql.AppendLine();
var firstTable
= (EntityType)((DbScanExpression)firstCommandTree.Target.Expression).Target.ElementType;
sql.Append(IntroduceRequiredLocalVariables(firstTable, firstCommandTree));
foreach (var commandTree in commandTrees.Skip(1))
{
sql.Append(
DmlSqlGenerator.GenerateInsertSql(
commandTree,
_sqlGenerator,
out _,
generateReturningSql: false,
createParameters: false));
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);
}
foreach (var keyProperty in firstTable.KeyProperties)
{
var parameterReference
= firstCommandTree
.SetClauses
.Cast <DbSetClause>()
.Where(sc => ((DbPropertyExpression)sc.Property).Property == keyProperty)
.Select(sc => sc.Value)
.SingleOrDefault()
?? keyProperty.TypeUsage.Parameter(keyProperty.Name);
firstCommandTree
.Target
.Variable
.Property(keyProperty)
.Equal(parameterReference)
.Accept(returningSelectSqlGenerator);
}
sql.Append(returningSelectSqlGenerator.Sql);
}
return(sql.ToString().TrimEnd());
}
