public string IXToSqlString(SIndex index)
{
List <string> colcurr = new List <string>();
List <string> colcurrwitho = new List <string>();
foreach (var a in index.columns)
{
colcurr.Add(a.Key.name);
colcurrwitho.Add(a.Key.name + " " + (a.Value == 1 ? "desc" : "asc"));
}
string indexname = string.Empty;
if (index.isprimarykey)
{
indexname = "PK_" + index.table.name + "_";
}
else if (index.isuniqueconstraint)
{
indexname = string.Format("UQ_{0}_{1}", index.table.name, string.Join("_", colcurr));
}
else
{
indexname = string.Format("IX_{0}_{1}", index.table.name, string.Join("_", colcurr));
}
string template = "create {0} index {1} on {2}({3});";
string s = string.Format(template, index.isclustered ? "clustered" : "nonclustered", indexname, index.table.name, string.Join(",", colcurrwitho));
return(s);
}
public string IXToSqlString(SIndex index)
{
List <string> colcurr = new List <string>();
List <string> colcurrwitho = new List <string>();
foreach (var a in index.columns)
{
colcurr.Add(a.Key.name);
colcurrwitho.Add(a.Key.name + " " + (a.Value == 1 ? "desc" : "asc"));
}
string indexname = string.Empty;
if (index.isprimarykey)
{
indexname = "PK_" + index.table.name + "_";
}
else if (index.isuniqueconstraint)
{
indexname = string.Format("UQ_{0}_{1}", index.table.name, string.Join("_", colcurr));
}
else
{
string tname = string.Join("_", colcurr);
if (tname.Length > 30)
{
// string tnames = Math.Abs(tname.GetHashCode()).ToString();
string rname = "";
for (int k = 0; k < 15; k++)
{
Random rd = new Random(k + 1 + DateTime.Now.Millisecond);
rname += ((char)rd.Next(97, 123)).ToString();
System.Threading.Thread.Sleep(1);
}
tname = rname;
}
indexname = string.Format("IX_{0}_{1}", index.table.name, tname);
}
string template = "create {0} index {1} on {2}({3});";
string s = string.Format(template, "", indexname, index.table.name, string.Join(",", colcurrwitho));
return(s);
}
