public ConstraintInfo FindConstraint(ConstraintInfo cnt)
{
if (cnt is PrimaryKeyInfo)
{
return(PrimaryKey);
}
if (cnt is ForeignKeyInfo)
{
return(ForeignKeys.FirstOrDefault(x => x.ConstraintName == cnt.ConstraintName));
}
if (cnt is IndexInfo)
{
return(Indexes.FirstOrDefault(x => x.ConstraintName == cnt.ConstraintName));
}
if (cnt is UniqueInfo)
{
return(Uniques.FirstOrDefault(x => x.ConstraintName == cnt.ConstraintName));
}
if (cnt is CheckInfo)
{
return(Checks.FirstOrDefault(x => x.ConstraintName == cnt.ConstraintName));
}
return(null);
}
