private void VisitInsertClause(Expression expression)
{
var listInit = expression as ListInitExpression
?? throw new QueryException("Malformed insert expression");
var insertedType = VisitorParameters.TargetEntityType;
var idents = new List <HqlIdent>();
var selectColumns = new List <HqlExpression>();
//Extract the insert clause from the projected ListInit
foreach (var assignment in listInit.Initializers)
{
var member = (ConstantExpression)assignment.Arguments[0];
var value = assignment.Arguments[1];
//The target property
idents.Add(_hqlTree.TreeBuilder.Ident((string)member.Value));
var valueHql = HqlGeneratorExpressionVisitor.Visit(value, VisitorParameters).AsExpression();
selectColumns.Add(valueHql);
}
//Add the insert clause ([INSERT INTO] insertedType (list of properties))
_hqlTree.AddInsertClause(_hqlTree.TreeBuilder.Ident(insertedType.FullName),
_hqlTree.TreeBuilder.Range(idents.ToArray()));
//... and then the select clause
_hqlTree.AddSelectClause(_hqlTree.TreeBuilder.Select(selectColumns));
}
private void VisitInsertClause(Expression expression)
{
var assignments = expression as BlockExpression
?? throw new QueryException("Malformed insert expression");
var insertedType = VisitorParameters.TargetEntityType;
var idents = new List <HqlIdent>();
var selectColumns = new List <HqlExpression>();
//Extract the insert clause from the projected ListInit
foreach (BinaryExpression assignment in assignments.Expressions)
{
var propName = ((ParameterExpression)assignment.Left).Name;
var value = assignment.Right;
//The target property
idents.Add(_hqlTree.TreeBuilder.Ident(propName));
var valueHql = HqlGeneratorExpressionVisitor.Visit(value, VisitorParameters).AsExpression();
selectColumns.Add(valueHql);
}
//Add the insert clause ([INSERT INTO] insertedType (list of properties))
_hqlTree.AddInsertClause(_hqlTree.TreeBuilder.Ident(insertedType.FullName),
_hqlTree.TreeBuilder.Range(idents.ToArray()));
//... and then the select clause
_hqlTree.AddSelectClause(_hqlTree.TreeBuilder.Select(selectColumns));
}
