private void DropConstraints(StringBuilder script, ISourceProvider provider)
{
var uks = Model.GetActiveEntities().SelectMany(e => e.GetActiveProperties())
.Where(item => item.SourceFragment != null &&
item.SourceFragment.Constraints.Any(cns =>
cns.ConstraintType != SourceConstraint.ForeignKeyConstraintTypeName));
if (uks.Count() == 0)
{
return;
}
bool hdr = false;
foreach (SourceFragmentDefinition s in SourceView.GetSourceFragments())
{
var targetSF = s;
SourceFragmentDefinition sf = uks.Select(item => item.SourceFragment).Distinct()
.SingleOrDefault(item => item.Name == s.Name && item.Selector == s.Selector);
if (sf != null)
{
foreach (SourceConstraint constraint in targetSF.Constraints.Where(item =>
item.ConstraintType != SourceConstraint.ForeignKeyConstraintTypeName))
{
if (!sf.Constraints.Any(item => item.SourceFields.Count == constraint.SourceFields.Count &&
item.ConstraintType == constraint.ConstraintType &&
constraint.SourceFields.All(fld =>
item.SourceFields.Any(sfld =>
sfld.SourceFieldExpression == fld.SourceFieldExpression))))
{
if (!hdr)
{
script.AppendLine("--Drop constraints");
hdr = true;
}
provider.GenerateDropConstraintScript(targetSF, constraint.ConstraintName, script);
}
}
}
}
}
