internal virtual SqlExpression VisitDiscriminatedType(SqlDiscriminatedType dt) {
dt.Discriminator = this.VisitExpression(dt.Discriminator);
return dt;
}
internal override SqlExpression VisitDiscriminatedType(SqlDiscriminatedType dt)
{
if(_isDebugMode)
{
_commandStringBuilder.Append("DTYPE(");
}
base.VisitDiscriminatedType(dt);
if(_isDebugMode)
{
_commandStringBuilder.Append(")");
}
return dt;
}
private Type GenerateDiscriminatedType(SqlDiscriminatedType dt)
{
Diagnostics.Debug.Assert(dt.ClrType == typeof(Type));
LocalBuilder locDiscriminator = gen.DeclareLocal(dt.Discriminator.ClrType);
this.GenerateExpressionForType(dt.Discriminator, dt.Discriminator.ClrType);
gen.Emit(OpCodes.Stloc, locDiscriminator);
return this.GenerateDiscriminatedType(dt.TargetType, locDiscriminator, dt.Discriminator.SqlType);
}
internal override SqlExpression VisitDiscriminatedType(SqlDiscriminatedType dt)
{
return new SqlDiscriminatedType(dt.SqlType, this.VisitExpression(dt.Discriminator), dt.TargetType, dt.SourceExpression);
}