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a few changes to db generic tables

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UbitUmarov
2019-08-26 03:00:28 +01:00
parent 584df2ab38
commit ab92dff5be
3 changed files with 147 additions and 26 deletions
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83
OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
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@@ -116,8 +116,40 @@ namespace OpenSim.Data.MySQL
}
public virtual T[] Get(string field, string key)
{
using (MySqlCommand cmd = new MySqlCommand())
{
cmd.Parameters.AddWithValue(field, key);
cmd.CommandText = string.Format("select * from {0} where `{1}` = ?{1}", m_Realm, field);
return DoQuery(cmd);
}
}
public virtual T[] Get(string field, string[] keys)
{
return Get(new string[] { field }, new string[] { key });
int flen = keys.Length;
if(flen == 0)
return new T[0];
int flast = flen - 1;
StringBuilder sb = new StringBuilder(1024);
sb.AppendFormat("select * from {0} where {1} IN (?", m_Realm, field);
using (MySqlCommand cmd = new MySqlCommand())
{
for (int i = 0 ; i < flen ; i++)
{
string fname = field + i.ToString();
cmd.Parameters.AddWithValue(fname, keys[i]);
sb.Append(fname);
if(i < flast)
sb.Append(",?");
else
sb.Append(")");
}
cmd.CommandText = sb.ToString();
return DoQuery(cmd);
}
}
public virtual T[] Get(string[] fields, string[] keys)
@@ -140,7 +172,7 @@ namespace OpenSim.Data.MySQL
for (int i = 0 ; i < flen ; i++)
{
cmd.Parameters.AddWithValue(fields[i], keys[i]);
if(i< flast)
if(i < flast)
sb.AppendFormat("`{0}` = ?{0} and ", fields[i]);
else
sb.AppendFormat("`{0}` = ?{0} ", fields[i]);
@@ -323,25 +355,26 @@ namespace OpenSim.Data.MySQL
// "[MYSQL GENERIC TABLE HANDLER]: Delete(string[] fields, string[] keys) invoked with {0}:{1}",
// string.Join(",", fields), string.Join(",", keys));
if (fields.Length != keys.Length)
int flen = fields.Length;
if (flen == 0 || flen != keys.Length)
return false;
List<string> terms = new List<string>();
int flast = flen - 1;
StringBuilder sb = new StringBuilder(1024);
sb.AppendFormat("delete from {0} where ", m_Realm);
using (MySqlCommand cmd = new MySqlCommand())
{
for (int i = 0 ; i < fields.Length ; i++)
for (int i = 0 ; i < flen ; i++)
{
cmd.Parameters.AddWithValue(fields[i], keys[i]);
terms.Add("`" + fields[i] + "` = ?" + fields[i]);
if(i < flast)
sb.AppendFormat("`{0}` = ?{0} and ", fields[i]);
else
sb.AppendFormat("`{0}` = ?{0}", fields[i]);
}
string where = String.Join(" and ", terms.ToArray());
string query = String.Format("delete from {0} where {1}", m_Realm, where);
cmd.CommandText = query;
cmd.CommandText = sb.ToString();
return ExecuteNonQuery(cmd) > 0;
}
}
@@ -353,27 +386,27 @@ namespace OpenSim.Data.MySQL
public long GetCount(string[] fields, string[] keys)
{
if (fields.Length != keys.Length)
int flen = fields.Length;
if (flen == 0 || flen != keys.Length)
return 0;
List<string> terms = new List<string>();
int flast = flen - 1;
StringBuilder sb = new StringBuilder(1024);
sb.AppendFormat("select count(*) from {0} where ", m_Realm);
using (MySqlCommand cmd = new MySqlCommand())
{
for (int i = 0; i < fields.Length; i++)
for (int i = 0 ; i < flen ; i++)
{
cmd.Parameters.AddWithValue(fields[i], keys[i]);
terms.Add("`" + fields[i] + "` = ?" + fields[i]);
if(i < flast)
sb.AppendFormat("`{0}` = ?{0} and ", fields[i]);
else
sb.AppendFormat("`{0}` = ?{0}", fields[i]);
}
string where = String.Join(" and ", terms.ToArray());
string query = String.Format("select count(*) from {0} where {1}",
m_Realm, where);
cmd.CommandText = query;
Object result = DoQueryScalar(cmd);
cmd.CommandText = sb.ToString();
object result = DoQueryScalar(cmd);
return Convert.ToInt64(result);
}
@@ -403,7 +436,7 @@ namespace OpenSim.Data.MySQL
dbcon.Open();
cmd.Connection = dbcon;
Object ret = cmd.ExecuteScalar();
object ret = cmd.ExecuteScalar();
cmd.Connection = null;
dbcon.Close();
return ret;