From fe55626fcf7c1fda244db5e0c4f91ad7d0704c64 Mon Sep 17 00:00:00 2001
From: onefang
Date: Thu, 22 Aug 2019 15:46:57 +1000
Subject: Function for MYSQL joins.

---
 OpenSim/Data/MySQL/MySQLRaw.cs | 51 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

(limited to 'OpenSim/Data')

diff --git a/OpenSim/Data/MySQL/MySQLRaw.cs b/OpenSim/Data/MySQL/MySQLRaw.cs
index e8f80aa..bb8c96c 100644
--- a/OpenSim/Data/MySQL/MySQLRaw.cs
+++ b/OpenSim/Data/MySQL/MySQLRaw.cs
@@ -40,6 +40,57 @@ namespace OpenSim.Data.MySQL
 	    return result;
 	}
 
+	public List< Hashtable > Join(string table, string select, string join, string wher, string order)
+	{
+	    if ("" == select)
+		select = "*";
+	    string query = "SELECT " + select + " FROM " + table;
+	    if ("" != join)
+		query = query + " " + join;
+	    if ("" != wher)
+		query = query + " WHERE " + wher;
+	    if ("" != order)
+		query = query + " ORDER BY " + order;
+
+            using (MySqlConnection dbcon = new MySqlConnection(m_connectString))
+            {
+                dbcon.Open();
+		MySqlCommand cmd = new MySqlCommand(query, dbcon);
+		MySqlDataReader rdr = cmd.ExecuteReader();
+		List<string> names = new List<string>();
+		DataTable schema = rdr.GetSchemaTable();
+		List< Hashtable > list = new List< Hashtable >();
+
+        	foreach (DataRow row in schema.Rows)
+        	{
+        	    string tbl = "";
+        	    string nm = "";
+        	    string tp = "";
+        	    foreach (DataColumn col in schema.Columns)
+        	    {
+        		if ("BaseTableName"	== col.ColumnName)	tbl = row[col].ToString();
+        		if ("ColumnName"	== col.ColumnName)	nm  = row[col].ToString();
+        		if ("DataType"		== col.ColumnName)	tp  = row[col].ToString();
+        	    }
+        	    names.Add(nm);
+        	}
+
+		while (rdr.Read())
+		{
+		    Hashtable r = new Hashtable();
+		    foreach (string name in names)
+		    {
+			r[name] = rdr[name];
+		    }
+		    list.Add(r);
+		}
+
+		rdr.Close();
+                dbcon.Close();
+		return list;
+	    }
+	}
+
 	public List< Hashtable > Select(string table, string select, string wher, string order)
 	{
 	    if ("" == select)
-- 
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